Start stop battery? (Perfect answer) - Belle Haven Shell (2023)

  • The battery management switches off the start-stop function. The top priority for any battery is to start the engine. However, if the battery only has a low charge, the Battery Management System (BMS) switches off the start-stop function to enable the engine to be started.

What battery do I need for start-stop?

EFB batteries are widely used in vehicles with entry-level start-stop systems, usually without recovery of braking energy. AGM batteries score with their high performance and durability.

Do stop/start engines need special batteries?

Interesting facts about start-stop technology Start-stop systems require a battery with modern technology, because normal starter batteries are not designed to meet the higher demands of these vehicles. For this reason, only EFB or AGM batteries should be installed in vehicles with automatic stop-start systems.

How long does a start/stop battery last?

How long so start stop batteries last? While the majority of regular LSI batteries are generally guaranteed to last around four years, they can in fact go on to last up to six or seven years.

What happens if you don’t use a stop/start battery?

The use of unsuitable or unapproved starter batteries in vehicles with start-stop will result in the loss of warranty. The driver or the workshop will be liable for all consequential damage and loss of function associated with the installation of an incorrect battery.

Are all AGM batteries stop-start?

AGM (Absorbent Glass Mat) batteries are designed specifically for larger, more demanding stop-start vehicles that use additional technologies designed to reduce fuel consumption. AGM batteries can be fitted to all stop-start vehicles but must be replaced ‘like for like’ where an AGM battery was originally fitted.

Do you need a special battery charger for stop-start battery?

If your vehicle has Stop/Start Technology, it will be fitted with either an EFB (Enhanced Flooded Battery) or an AGM battery (Absorbent Glass Mat), so you’ll need a smart charger to charge these types of battery safely.

Can you jump start a start/stop battery?

The answer is Yes. It provides battery charge. Any car with a weak battery can benefit from a jump. If the start/stop engine’s starter stopped, no.

Does Auto Start drain your battery?

All remote starters, whether from Compustar, Arctic Start, or another brand, draw power from your battery. However, it is still possible for a remote car starter to consume too much power from your battery.

How long can a car battery last without driving?

Most car batteries which are in good condition will last at least two weeks without needing you to start the car and drive to recharge it, according to the AA. But if you don’t intend to drive your car for some time for whatever reason, you should still start it up once a week to recharge the 12V battery.

How much is a AGM battery?

AGM batteries are more expensive than traditional batteries as they cost more to manufacture. On average, conventional batteries cost $65-$130, but an AGM can be around $200 upwards.

Why do cars have stop/start technology?

What is stop-start technology? Stop-start is a system on most modern cars that cuts the engine when the car is stationary in order to reduce fuel consumption and emissions. The engine starts again when the clutch is engaged or the brake is released, or when the driver is ready to move or accelerate again.

How long do AGM batteries last?

12 Volt Gel or AGM batteries If kept in a charged state when unused, the common lifespan of a 12-volt Gel or AGM battery is up to six years. After five or six years of float voltage at an average ambient temperature of 25 ºC, the battery still retains 80 % of its original capacity.

Why do I need a special battery for the automatic start-stop system?

Even after changing your engine oil, you’ll want to check the sensor to make sure it’s not a defective sensor that’s causing your oil light to remain illuminated. It is possible for dirt and other particles to find their way into the oil pump, leading the sensor to report erroneous oil problems. Although changing the sensor is rather straightforward, if you aren’t confident in your ability to do so, take your car to a professional mechanic for assistance. Low oil pressure is the next most prevalent reason for this.

Despite the fact that this should not occur after obtaining an oil change, you should still check the oil level just to be safe.

It is possible that the oil pump is not circulating enough oil to keep the engine’s components lubricated and running correctly, which can result in a variety of engine problems.

For further information, please see this link: Four suggestions for prepping your car for a lengthy road trip are presented here.

We can also perform an oil change on your car if it is in need of one.

Please don’t hesitate to contact our staff right now.

The generator charges the starter battery while driving

A one-time event, the starting procedure in a car that is not equipped with an automated start-stop system is typically the case. While driving, the generator delivers electricity to electrical consumers such as the entertainment system and navigation device, ensuring that the starting battery does not drain during the journey if the generator is operational.

The start-stop battery has a double load

The situation is different with vehicles equipped with start-stop technology. As the battery is subjected to a succession of start and stop intervals while traveling around town, it will eventually die. Even if the automobile is parked at a traffic signal and the engine is turned off, electrical consumers such as lights, windshield wipers, radios, and displays continue to require electricity. The load is raised as a result of the constant discharge and charging. It is particularly difficult for the battery to keep up with short travels.

A result of this may be a progressive drain of the battery, which may eventually result in the battery no longer having sufficient energy to start the engine.

As a result, sufficient charge acceptance is also ensured over a long period of time, and short journeys with a high number of start-stop phases can be handled more efficiently by AGM batteries.

Three advantages of AGM batteries

AGM batteries have a significant amount of cold start current. They provide a forceful start to the starting motor and shorten the amount of time it needs to run. Because of the cycle stability of AGM batteries, the engine may be shut down and restarted numerous times at short intervals without the chance of experiencing issues when starting up again the next time.

Balanced state of charge

Nowadays, the AGM battery is not only charged by the generator but is also supplied with energy by the brake energy recovery system. Normal starting batteries must be maintained fully charged at all times, and as a result, they are unable to absorb the energy created by recuperation. Due to the ability of AGM batteries to work in the partial charge range, they have adequate “extra” capacity to retain the energy generated during braking.

High reserve capacity

Nowadays, the AGM battery is not only charged by the generator but is also supplied with power by the brake energy recovery system. As a result, normal starting batteries must be maintained at full charge at all times and are unable to absorb the energy provided by recovery. Due to the ability of AGM batteries to function in the partial charge range, they provide adequate “additional” capacity to retain the energy generated during braking.

Interesting facts about start-stop technology

A battery with contemporary technology is required for start-stop systems since standard starting batteries are not built to withstand the additional demands of these vehicles’ start-stop systems. In order to work effectively and dependably, the architecture of the electrical system in current automobiles necessitates the use of battery technology that is compatible with it. This is why new batteries must be “registered” in many cars; the Battery Management System (BMS) must be aware of the type of battery that has been placed in the vehicle in order to utilize its maximum capacity.

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Therefore, in cars equipped with automatic stop-start systems, only EFB or AGM batteries should be fitted.

How Does the Start Stop Work?

Concentration groups are commonly convened by businesses to gain an understanding of what the broader population believes and knows about a number of issues. As a maker of automotive automobile batteries, OPTIMA’s focus groups are naturally inclined to cover subjects that are special to the automotive industry. So we recently brought in a group of people to ask them a series of questions, and as is often the case, the replies they provided offered us a terrific insight into the brains of at least some of the people who use our products.

  1. The technology allows automobiles to cut off their engines when they come to a complete stop or are idling.
  2. In essence, it allows automobiles to work similarly to gas-powered golf carts, with the engine only turning on when the accelerator pedal is depressed.
  3. Many modern automobiles now feature ignition buttons on the dashboard, rather than an ignition system that requires a key to be inserted and twisted manually.
  4. As seen above, the appearance of “Start Stop” in any form was intended by the auto makers to indicate the method by which the vehicles were started and stopped, as there was no longer a place to enter a key into those automobiles.
  5. Consequently, do some consumers assume that their automobiles have Start/Stop technology because the push button on their dashboard indicates “Start Stop,” or do they feel that the push button starting mechanism itself is what Start/Stop technology genuinely means?
  6. Start Stop technology is currently available as an option or as standard equipment in a large number of automobiles.
  7. In contrast to the standard flooded lead-acid battery used in most automobiles and trucks, many of these vehicles are delivered to the dealership with an AGM (absorbed glass mat) lead-acid battery installed from the manufacturer.
  8. AGM batteries, such as OPTIMA batteries, have long had a reputation for being able to perform better and survive longer than their flooded lead-acid counterparts, and this is especially true in high-demand applications where performance and longevity are critical.
  9. If you drive a Start Stop vehicle, the battery provides enough power to run accessories even if you turn off the engine while driving.
  10. The battery in most automobiles is only needed to start the motor once during a 15-20 minute travel, whereas this might happen a dozen or more times during a 15-20 minute commute (the alternator typically provides electricity once the engine is running).
  11. Many (but not all) manufacturers choose to equip start-stop vehicles with AGM batteries from the factory.

For this reason, when it comes to replacing a battery in a start-stop car such as an Acura RLX, be sure you use an AGM battery such as the ones seen below.

Start Stop Batteries

These days, automobile technology can be seen everywhere around us. You don’t have to look very far to observe significant improvements in the field, as well as how broadly these innovations are being employed in today’s environmentally conscious culture. Stop-start technology, which has been increasingly common in recent years and has been implemented by the vast majority of new automobiles, is the most prominent recent advancement.

What is start stop technology?

Start stop technology, in its most basic form, means that when a car comes to a complete stop or becomes idle, the system will shut itself off until the driver releases their foot from the brake. This temporarily halts the engine’s operation, resulting in reduced fuel consumption and pollutants. When it was first introduced, start-stop technology was intended to provide two key benefits: it would help drivers save money on petrol while also limiting the amount of dangerous gases they produced and released into the atmosphere.

Autospark recommends Exide’s Range of batteries, which are built to endure the extreme temperatures found under the hood and the considerable vibration encountered by drivers on the road.

How do driving habits affect my battery?

Over time, short-distance driving might cause your car battery to become depleted of its capacity. You’re seeing faster corrosion and acid stratification because your battery hasn’t had the opportunity to attain “full” charge. Even if you only use your automobile for short journeys, taking large distance spins between them can assist to maintain the health of your battery. Bad behaviors, such as failing to perform routine auto maintenance and consuming excessive amounts of energy while idling, may also affect the life expectancy of a battery.

What is a stop start battery?

Technology should be started and stopped. Cars start and stop far more frequently than ordinary automobiles, putting additional strain on the battery’s capacity. In the past, a typical automobile battery, also known as an LSI (lighting, starting and ignition) battery, was designed to provide enough power to start the car a number of times each day on a regular basis. The new start-stop technology, on the other hand, means that automobiles are stopping and resuming considerably more frequently, putting extra strain and demands on the battery’s ability to store and discharge energy.

This all necessitates the use of battery power, thus it should come as no surprise that a strong automobile battery is necessary when using a start stop system.

What are the different types of start stop batteries?

Advanced Flooded Batteries, also known as ECM (Enhanced Cyclic Mat) batteries, and EFB (Enhanced Flooded Batteries) batteries, were the first introduction batteries to fulfill the new start-stop battery technology standards. Essentially, these batteries are an evolution of the standard lead-acid battery, but they have additional capabilities, such as the following:

  • Advanced Flooded Batteries, also known as ECM (Enhanced Cyclic Mat) batteries, and EFB (Enhanced Flooded Batteries) batteries, were the first introduction batteries to fulfill the new start stop battery technology standards. Overall, these batteries are an evolution of the standard lead-acid battery, but they contain additional features such as:

Similarly to their ECM counterparts, Absorbent Glass Mat (AGM) batteries are made of lead-acid technology, but they are far more sophisticated. It is possible for the acid to be absorbed into a fiberglass substance rather than flowing freely as a liquid thanks to their expertise. The following are the primary advantages of an AGM start-stop battery:

  • Low maintenance, quick charging, high power output, and advanced deep cycle capabilities are all advantages.
Can I use any of these batteries in my stop start technology car?

While ECM (Enhanced Cyclic Mat) batteries may be replaced with AGM (Absorbent Glass Mat) batteries, the same cannot be stated for the inverse of this situation. Only AGM technology should be used in an AGM battery at all times. As a result, normal LSI batteries (lighting, starting, and ignition) should never be considered for vehicles equipped with start-stop technology. Always check with the car manufacturer for specific instructions, or consult with your auto electrician for guidance on which car battery to use in your vehicle.

How long so start stop batteries last?

While ECM (Enhanced Cyclic Mat) batteries may be replaced with AGM (Absorbent Glass Mat) batteries, the same cannot be true for the inverse of this procedure. Only AGM technology should be used in an AGM battery at any point in its lifetime. For automobiles equipped with start-stop technology, standard LSI batteries (lighting, starting, and ignition) should never be considered. Whenever possible, consult with your vehicle’s manufacturer or get guidance from a qualified auto electrician on which car battery to use.

Will the start stop technology wear out my starter motor?

The short and simple answer is no. The starter motors in the automobiles that utilise start stop technology are not starter motors in the conventional sense. It’s true that they include several technologies in order to minimize strain on the starting motor. Some automobiles that have used start sttop technology do not even have a starter motor, which eliminates the problem about starter motor wear and tear in the first place. Beginning with the start stop technology, and continuing with the start stop technology batteries, the start stop technology is here to stay and making significant breakthroughs every day.

For further information, please contact your local Autospark location.

I was quite grateful that it was completed so soon, as I was completely stranded without my automobile.”

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Please feel free to look around our website and learn more about everything that makes us pleased to be associated with the Autospark brand.

Learn more about us, receive detailed information on all of our goods and services, or get in touch with us for a vehicle battery replacement or estimate.

What is a stop-start battery?

Stop-start systems on modern vehicles are becoming increasingly prevalent, and they are a rather simple system to grasp. When your automobile comes to a complete stop, the system shuts the engine instead of allowing it to idle. When you release your foot from the brake, the engine comes back to life and you may continue your journey. Simple. Even if it takes a little getting used to – for the inexperienced, it might seem strange to have the engine fully shut off when all you’ve done is pull up to the traffic lights – there’s no denying that it is an ingenious technology.

  1. It everything makes sense.
  2. Some may claim that these reductions and savings are so minor as to be negligible, yet every little bit helps, don’t you think?
  3. In reality, it places a significant burden on the battery’s ability to perform.
  4. A stop-start system necessitates the repetition of the same work thousands of times every day.
  5. It is not only the continual stop-start power that is required, but also the ability to switch between different modes.
  6. This is true of any other car as well.
  7. And it is at this point that the start-stop batteries come in.

Battery for the ECM (Enhanced Cyclic Mat): An Advanced Flooded Battery (AFB) or an Enhanced Flooded Battery (EFB) is a type of battery that is designed to satisfy the criteria of stop-start technology at the entry level.

It has a higher capacity and a longer life span.

In an AGM battery, the acid is absorbed into a fibreglass substance rather than remaining as a free-flowing liquid, making it the most sophisticated form of lead-acid technology available.

It is also quick to charge, has a high power output, has an improved cycle life, has excellent deep cycle properties, and can continue to deliver high cranking power (the kind of power required to start an engine) even when the battery is at a low state of charge.

However, while both of these battery types may be utilized with stop-start technology, they are not interchangeable with one another.

It is not even necessary to consider conventional LSI batteries.

In the event that you need to replace or examine the battery in your vehicle, AutoGuru can assist you!

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Paul has been working in the automotive industry for over 50 years and has been training apprentices and students across Queensland in the dark arts of the auto-electrical trade, as well as hybrid and electric power sources and systems, since 2004.

Paul has a bachelor’s degree in mechanical engineering from the University of Queensland.

Start-Stop Auxiliary Batteries For Start-Stop Cars & Vehicles

  • Battery with an improved cycle life
  • Optimized for low state of charge operations
  • AGM auxiliary battery
  • Design that is spill-proof and requires no maintenance at all. Extremely resistant to vibration and impact
  • The product has a long shelf life and produces little self discharge.


More and more vehicles are being built with start-stop technology to reduce fuel consumption, as well as more power-hungry options as standard, such as satellite navigation, smartphone interfaces, and augmented displays. This increases the importance of having a high-quality, reliable auxiliary battery. Auxiliary batteries from Power Sonic are particularly developed to provide great performance for cars that operate in high-demand start-stop conditions. Our maintenance-free AGM batteries have a longer cycle life, allowing them to keep up with the increased power demand caused by fuel-efficient technology.

Ideal for automobiles, SUVs, vans, and other vehicles equipped with start-stop technology and electrical equipment that consumes a lot of electricity.


For your convenience, if you are aware of the model number of the battery that you are searching for, please input it here. The usage of an auxiliary battery in conjunction with the primary starting battery is common in modern automobiles equipped with emission-reducing start-stop technology, electronic driving aids, and other electronic choices. In accordance with the demands placed on it by the vehicle’s electrical system, auxiliary batteries vary in size and characteristics. Auxiliary batteries can be used as a back-up to support the main battery when needed, or to provide a consistent power source for particular electrical equipment.

In order to ensure consistency and dependability, all Power Sonic batteries are subjected to thorough quality control at every stage of the production process.

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Our battery products, which are manufactured with the most up-to-date technology and strict quality control, are meant to outperform the competition in terms of performance and dependability.


Our laser-like focus on providing a great end-to-end client experience distinguishes us from the competitors. Throughout the whole process, from the initial inquiry to the final delivery and all in between, we consistently surpass our clients’ expectations.


In comparison to our competitors, we are focused on providing a superior end-to-end customer experience. Throughout the whole process, from the initial inquiry to the final delivery and all in between, we consistently surpass our clients’ expectations.

⊳ Start-stop system simply explained ❘ Banner battery know-how

This website makes use of cookies. Cookies are used for user guiding and web analytics, and they assist us in making our website better and more user-friendly for everyone who visits it. If you do not want a recording to be made, you may turn it off at the Legal notice section. a statement about personal information Start-stop functionality is included in more than 70% of all new automobiles sold in the United States. The start-stop system saves gasoline at every red traffic light, is convenient for the driver, and is environmentally friendly.

This is due to the fact that, at the moment, every third automobile taken into an authorized motor vehicle repair is already fitted with a start-stop system.

System that starts and stops to conserve the environment.

The European Union has set a target of 95 g of CO2 per kilometer traveled by 2020, which means that the vast majority of vehicles manufactured in Europe will be fitted with autonomous start-stop systems or alternative driving systems by then.

Already today, more than 70% of all new cars are fitted with a start-stop technology, which helps them to meet their fuel-saving objectives. Vehicle manufacturers are using new battery technology into the electrical system to accomplish the following goals:

  • Charge current consumption from brake energy recovery (energy recovery) should be set to the lowest possible value. Ensure that the optimal operating mode is maintained at lower levels of charge (SOC State Of Charge is around 70%)
  • And When the engine is stopped, and the alternator is not charging, a longer and stronger cyclic load must be guaranteed.

The operation of the start-stop system When the vehicle is stationary (for example, at a red traffic light), the automatic start-stop feature automatically shuts down the engine and then resumes it when you step on or off the clutch or brake during a stop. As a result, the start-stop technology helps to reduce fuel consumption, which is especially important in city traffic. The start-stop technology is becoming increasingly popular across all vehicle classes as a result of environmental considerations and the better economic benefit that comes with it.

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A start-stop system has the potential to cut CO2 emissions by as much as 8%.

Start-stop systems exert more demands on the car’s battery than other systems.

During periods when the vehicle is parked, the battery must deliver enough energy to support the increased frequency of engine starts and the electrical loads present in the vehicle.

  • In particular, AGM technology was created for automobiles with the highest energy demands, such as those with brake energy recovery and those that are equipped with a start-stop system. Electronic fuel injection (EFI) technology is employed in automobiles with high energy demands and easier start-stop systems.

Our start-stop batteries are made of nickel-cadmium. For automobiles equipped with automated start-stop systems, two distinct battery technologies (AGM and EFB) are used: AGM and EFB. Running Bull AGMStarter and on-board power supply batteries for start-stop cars with the highest energy consumption and the ability to recuperate brake energy. for automobiles in the midrange and higher classes, all the way up to luxury vehicles

  • VRLA stands for valve-regulated lead acid battery. When compared to traditional starting batteries, triple cycle stability is the best: the maximum rating is E4/M3 according to EN 50342-1. Because of the extremely low internal resistance, the beginning performance is the best available.

AGM is an abbreviation for Absorbent Glass Mat, which means that the acid is absorbed in a glass mat and so cannot leak. AGM BatteriesRunning Bull BackUpA back-up battery for start-stop cars with exceptionally high energy demands. because of multiple safety features and electronic steering mechanisms.

  • Valve controlled lead acid battery (VRLA)
  • Triple cycle stability when compared to normal starting batteries
  • E4/M3 rating according to EN 50342-1
  • Triple cycle stability when compared to conventional starter batteries
  • Audi, BMW, and Volvo batteries are original equipment batteries.

AGM is an abbreviation for Absorbent Glass Mat, which means that the acid is absorbed in a glass mat and so cannot leak. Batteries for back-up purposesRunning Bull EFBStarter and battery for on-board electrical system for start-stop cars with high energy requirements for small automobiles up to high middle-class families

  • The separator has a glass covering on it, and the active component composition is unique. The battery has a cycle life that is twice as long as that of traditional starting batteries. classification E3/M2 according to EN 50342-1
  • “Carbon loaded”: according to EN 50342-1, classification E3/M2. With the use of carbon compounds, the charging time has been greatly decreased.

EFB is an abbreviation for Enhanced Flooded Battery, which is a cycle-resistant starting battery. EFB Batteries are a type of rechargeable battery. On European highways, the most well-known start-stop technology are: Every automobile manufacturer has developed its own way for controlling the engine’s automated start-stop mechanism. Here’s a quick rundown of some of the most well-known start-stop systems:

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  • StopStart is a function of the Bosch StopStart. The method is dependable since it has been tried and tested millions of times throughout the course of time. In use by the Volkswagen Group (which includes brands such as Audi and Porsche as well as Seat and Skoda as well as VW), BMW, FCA Fiat Chrysler Automobiles (which includes brands such as Alfa Romeo, Fiat and Lancia as well as Maserati as well as Chrysler, Dodge, Jeep, and RAM), and many other passenger car manufacturers. It is vital to use a more powerful starter in this situation, one that can be readily restarted several times. In this system, the higher-level engine control unit is in charge, and it is primarily decided by sensors such as the battery voltage sensor, brake pedal sensor, engine speed sensor, clutch pedal sensors and the crankshaft position sensor, amongst others. When the vehicle comes to a complete stop, the system automatically switches off the engine. When the clutch pedal is depressed in a manual car or the brake pedal is depressed in an automatic vehicle, the engine is restarted and the vehicle continues to drive. More recent models allow the engine to be turned off while driving, but only if the engine control unit gives the command to do so after estimating the speed of the vehicle and ensuring that the driver is not performing any manoeuvres (accelerating, braking, cornering, steering), as well as checking for an incline or gradient in the road
  • Kia Motors ISG (Idle StopGo). While this system is fundamentally the same as the Bosch system in terms of functionality, it also regulates the alternator (generator) and shuts off the engine. During acceleration, the system decouples the alternator from the rest of the system, placing the full burden on the battery. Mazda SISS (Smart Idle Stop System), currently known as i-STOP, is a system that allows the engine to start and stop repeatedly while the vehicle is in motion. Forced fuel injection into the cylinders and ignition of the air-fuel combination are used to ensure that the engine starts repeatedly. In order to do this, the engine control unit pushes the pistons to the best middle position possible when the vehicle is braking, allowing them to be restarted and started rapidly. The starter is only utilized as a source of additional energy as necessary. A unique function provided by i-STOP: What’s different as compared to the SISS is that the starting process is backed by an electric starter motor from the very beginning of the procedure. i-ELOOP, on the other hand, is a system that transforms the energy created by braking into electrical energy and stores it (= recuperation, braking energy recovery). Valeo i-StARS is an acronym that stands for Valeo i-StARS (Integrated Starter Alternator Reversible System). The PSA Group (Citroen, DS, Peugeot), Mercedes-Benz, and other automobile manufacturers use this term. Own control unit and alternating current generator are available, which integrate the operation of the starting motor (starter) and alternator into a single device (generator). In the event that both starting the engine and charging the battery are necessary, an unique drive belt with a newly invented tensioning system allows power to be sent in both directions.

The Bosch StopStart feature allows you to pause and restart a process at any point. The method is dependable since it has been tried and tested millions of times over the course of decades. It is used in the Volkswagen Group (Audi, Porsche, Seat, Skoda, VW, and so on), BMW, FCA Fiat Chrysler Automobiles (Alfa Romeo, Fiat, Lancia, Maserati, Chrysler, Dodge, Jeep, RAM, and so on), as well as vehicles from a variety of other passenger car companies. We’re going to need a more powerful starter in this case, one who will start easily and repeatedly.

Whenever the vehicle comes to a complete stop, the system automatically shuts down its engine.

In more recent models, the engine can also be turned off while driving, but only if the engine control unit gives the command to do so after estimating the speed of the vehicle, making sure that the driver is not performing any manoeuvres (accelerating, braking, cornering, steering, etc.), as well as checking for an incline or gradient in the road; Kia Motors ISG (Idle StopGo).

During acceleration, the system decouples the alternator from the rest of the system, placing the full load on the battery.

Forced fuel injection into the cylinders and ignition of the air-fuel mixture are used to ensure that the engine starts and stops repeatedly.

The starter is only used as a source of additional energy to supplement the main battery.

To be clear, this is not to be confused with the i-ELOOP, which converts the energy generated during braking into electrical energy and stores it (= recuperation, braking energy recovery); Valet parking at Valeo i-StARS (Valeo i-StARS parking garage) (Integrated Starter Alternator Reversible System).

Possibility of using one’s own control unit and AC generator, which combines functionality of the starter motor (starter) and alternator (generator).

In the event that both starting the engine and charging the battery are required, a special drive belt with a newly developed tensioning device can be used to transmit power in both directions.

Battery replacement warning for Start-Stop vehicles

A growing number of automobiles are being equipped with Start-Stop, Alternator Energy Management, and Brake Energy Recuperation technologies, in response to expanding EU legislative requirements for vehicle manufacturers to minimize CO2 exhaust emissions. In order to enable these technologies and reduce emissions, car designers must incorporate new battery technologies into the electrical system that allow for:i) extended operation at lower levels of charge; andii) extended operation at higher levels of charge.

  • It can also sustain the car’s electrical system while the vehicle is stopped and the alternator is not charging.
  • EFB technology (YBX7000 series) is designed for cars with intermediate needs for emissions reductions.
  • For example, if the vehicle is equipped with an original equipment AGM or EFB technology battery, it must be replaced with the recommended Yuasa AGM or EFB battery of equivalent size.
  • After 2008, if a vehicle has been registered and the battery has obviously been replaced in the past, it is critical to consult the Yuasa vehicle fitting guide to identify whether an AGM or EFB battery was initially installed.
  • If a normal flooded battery is used in a Start-Stop vehicle, it will almost certainly fail very early in its service life cycle.
  • The failure of this sort of battery will result in the loss of vehicle functionality (including Start-Stop).

Stop Start Battery

When it comes to the automobile battery’s role, it’s been a very clear one for over a century: it stores electrical power to power the ignition system, the lights when necessary, and the starter on occasion. For the consumer, this simplified the process of selecting a battery: simply knowing the battery size (the Battery Council International assigns numbers and letters to each battery group size, referring to the battery size that best fits the physical dimensions as well as terminal configuration, for a specific vehicle packaging) and energy storage capacity was all that was required to make an informed decision about which battery to purchase.

Because of the development of Micro Hybrid Electric Vehicles (also known as Start-Stop Vehicles), the process of choosing a battery has become more challenging.

After discussing the typical sorts of car batteries in a previous post, we’ll take a deeper look at batteries used in stop-start cars before providing some general recommendations on how to choose the optimal battery for the application.

| What makes the Stop-Start battery different?

Because it automatically switches off the engine once the vehicle comes to a complete stop, stop-start technology helps to minimize both exhaust gas emissions and fuel consumption. Vehicles equipped with Start-Stop technologies, on the other hand, exert a larger demand on the battery. While traditional automobiles only require a big current to turn the starting motor at the beginning of a journey, a Start-Stop battery must be able to withstand several discharge and recharge cycles over the duration of an urban drive to ensure that the vehicle remains operational.

While traditional automobiles only require a big current to turn the starting motor at the beginning of a journey, a Start-Stop battery must be able to withstand several discharge and recharge cycles over the duration of an urban drive to ensure that the vehicle remains operational.

Car battery life and maintenance are discussed in detail in the article “Car Battery Life and Maintenance.” The Lead Acid Battery operates within a relatively narrow State of Charge window, and if the battery is discharged below its design limits or deep-cycled, sulfation speeds up, reducing the battery’s ability to accept charge and ultimately resulting in a shorter lifecycle.

| Types of Stop-Start Batteries

Because battery providers are always cognizant of the delicate balance that must be struck between cost and performance, they provide consumers with two main types of stop-start technologies: Starting with entry-level start-stop automobiles, we’ve got you covered. It has been particularly created to give better performance, longer battery life, and the ability to cope with increasing cycle demands at a cheaper cost than the alternative AGM (Absorbent Glass Mat) batteries. Increases in the electrolyte reservoir result in considerable improvements in cyclability, while advancements in the building of negative grids, which are generally comprised of an alloy of Lead, Calcium, and Tin, result in longer service life and less water loss.

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In addition, by utilizing a two layer separation, the battery’s performance is maximized for the most demanding applications on the market today.

AGM batteries are also a tad more expensive!

Another advantage of AGM batteries is that they have extremely low internal resistance, are capable of supplying large currents, and have long service lives, even when subjected to repeated deep cycling.

The technique is completely maintenance-free, has outstanding dependability, and is far lighter than flooded lead acid alternatives. The performance of these batteries is also excellent in cold conditions, and they have a low self-discharge rate.

| Selecting the right battery for your stop-start vehicle

The reasons given above explain why owners of Start-Stop vehicles must install either an AGM or an ECB/AFB kind of battery. However, the issue remains: “How does one pick a battery that satisfies the performance and longevity criteria without paying for functionality that is not required?” Although it applies to all lead acid batteries, not only those used in stop-start applications, this is a subject that should be addressed. The general rule of thumb is as follows: Maintain adherence to the kind and specification of battery that was stated by the vehicle’s manufacturer for the vehicle.

Because the car manufacturer would have picked a battery that is appropriate for the performance and technical features of the vehicle, it is recommended to use the same battery that was originally installed in the vehicle when replacing the battery when it fails.

These cases are extremely rare.

| Charging a Stop-Start Battery

When charging an AGM battery, it is vital to remember that they are not designed to withstand excessive charge. They can accept charge rates of around 2.40V/cell, with a float charge of no more than 2.25 to 2.30V/cell, and they can accept charge rates of approximately 2.40V/cell. During regular driving, your car battery will be charged by the charging system in your vehicle. For automobiles intended for flooded lead acid batteries, the float voltage setting is typically 14.40V (2.40V/cell). This means that a direct replacement with a stop start battery on a lengthy drive might cause the battery to overcharge, shortening its lifespan by a substantial amount.

Stop-Start Battery Charger

In addition, while recharging AGM batteries using a stand-alone charger, the batteries’ susceptibility to overcharging must be taken into mind as well. A vehicle battery charger with a mode switch for ‘AGM type batteries’ should be used since it will limit the current to 20 percent of the battery capacity at a charging voltage in the range of 2.4 volts to 2.465 volts per cell at 25 degrees Celsius/77 degrees Fahrenheit. Chargers that are particularly intended for stop start batteries are available for purchase.

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The chemical reaction in the battery accelerates at higher temperatures and slows down at lower temperatures.

You will need to deduct 0.03V per cell for every degree Celsius over 25°C and add 0.03V per cell for every degree Celsius below 25°C.

In this section, we will discuss the total battery voltage, which is based on a 12V automobile battery.

It is possible that your automobile battery charger will automatically accommodate for changes in temperature, so be sure to check the choices that are accessible to you.

Shall I disconnect an EFB start/stop car battery before charging it?

I’m trying to figure out if I need to remove the battery from the system before I can charge it. If so, should both wires be used or only the negative? It makes no difference from an electrical standpoint. You can disconnect either the positive or the negative cable if you want, but please do not disconnect just the positive because if you accidentally misplace the wrench between the positive and the chassis (ground), you can cause a short circuit that can cause serious injury or death to yourself or the car.

  1. When reconnecting the cables, make sure to connect the negative cable last (in the reverse sequence).
  2. If the charger is correctly connected, there is no possibility of harming anything valuable in the process.
  3. As a result, incorrect voltage and inverted wires are no longer invariably indicative of damage.
  4. In addition, the radio settings will be lost.
  5. This option allows you to swap out the battery without having to worry about losing your radio presets.
  6. Although it is not encouraged, there is absolutely nothing wrong with unplugging the battery if you choose to do so.
  7. As a result, you may need to reset the radio settings from time to time, and the car may require a relearning of the ECU information.

Battery – Start/Stop

Cars with the Start/Stop feature are also supplied with a support battery, which is in addition to the starting battery. In order to work properly, cars with theStart/Stopfunction are supplied with two 12 V batteries: one that is particularly powerful for beginning and another that serves as a backup battery during theStart/starting Stopfunction’s sequence. Refer to the documentation for the Start/Stop function for further details. Please refer to the Jump starting section for further information about the car’s starter battery.

Voltage (V) 12
Cold start capacityAccording to EN standard.- CCACold Cranking Amperes.(A) 120Manual gearbox in combination withStart/Stopfunction that only auto-stops when the car is completely stationary.170Others.
Size, L×W×H (mm) 150×90×106Manual gearbox in combination withStart/Stopfunction that only auto-stops when the car is completely stationary.150×90×130Others.
Capacity (Ah) 8Manual gearbox in combination withStart/Stopfunction that only auto-stops when the car is completely stationary.10Others.


A battery of the EFBEnhanced Flooded Battery.type or higher capacity must be used when replacing the starting battery in automobiles with the Start/Stopfunction.

When changing the support battery, it is necessary to use a battery of the AGMAbsorbed Glass


  • Higher current take-off in the automobile means that the alternator must work harder and the batteries must be recharged more frequently, resulting in increased fuel consumption. Whenever the capacity of the starting battery has been reduced to the lowest allowable level, the Start/Stopfunction is turned off
  • Otherwise, it is enabled.

Reduced for a limited time Because of the high current take-off, the start/stop function is activated. This means:

  • The engine starts on its own without any assistance. Automatic starting can only occur if the gear lever is in the neutral position when the vehicle is turned on. without the need for the driver to depress the clutch pedal (manual transmission)
  • When the engine starts automatically (automatic transmission), the driver does not have to raise his or her foot from the foot brake pedal.

Location of the batteries

In most cases, the support battery will require no more maintenance than the conventional starting battery does. A workshop should be notified if there are any queries or difficulties, and it is suggested that you go to a Volvo-authorized workshop.


It is possible that the Start/Stop function will briefly cease to operate after the connection of an external battery or battery charger if the following instruction is not followed: If the following instruction is not followed, the Start/Stop function will temporarily cease to function:

  • If an external battery or battery charger is connected to the negative battery terminal on the automobile’s starting battery, the negative battery terminal must never be utilized as a grounding point
  • Only the car chassis may be used as a grounding point.

Instructions on how to install the cable clamps are provided in Jump beginning.


Refer toJump starting for a description of how the cable clamps should be connected.

Start Stop Batteries

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Which Start Stop Battery Do I Need?

You may measure the length and height of your present battery and compare them to one of the batteries listed below, or you can upload a photo of your current battery using the form at the bottom of this page. If you are still unclear, please contact us. Ford Start Stop vehicles should refer to the EFB Battery List, as these batteries are shorter in height than the rest of the lineup. AGM is an abbreviation for absorbent glass mat. These AGM battery types are now being installed in new top-of-the-line, stop-start automobiles, as well as other luxury vehicles that are currently available on the marketplace.

Stop-start cars are becoming increasingly popular as a result of the EU’s drive to reduce fuel consumption.

Enhanced flooded battery technology, also known as EFB technology in the industry, provides a cost-effective alternative for entry-level Start-Stop cars that require a large amount of power.

The result has been the development of a battery technology that can match the needs of Start-Stop operation at a greater level of charge than expected from AGM technology, but at a lower state of charge than expected from traditional wet-flooded starting batteries.

Send us a photo of your existing battery and we will check it for you

If your vehicle is equipped with a Start-Stop System, you will need an AGM or EFB battery to operate it. To see our product selection, please visit the links below.

Exide Start-Stop EFB – Car Battery

Exide EFB is an acronym that stands for Exide EFB. EFB batteries, which were first developed by Exide in 2008, have come to play an increasingly important part in the efforts of automobile manufacturers to cut fuel consumption and pollution. Exide is now bringing the newest OE generation to the aftermarket, which includes Carbon Boost 2.0 technology. With its high cycle requirements, the new Exide EFB battery is suitable for use in all cars, even those with and without Start-Stop systems. When fitted in vehicles equipped with a start-stop system, Exide’s new EFB battery demonstrates unrivaled energy recovery and remarkable dynamic charge acceptance, according to the manufacturer.

When used in vehicles with a traditional power train, the battery has a longer overall life expectancy as well. Replace an EFB battery with a fresh EFB battery whenever possible.

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  • Over the battery’s lifetime, it has a high dynamic charge acceptance.

Extra energy

  • Battery life is prolonged with a high dynamic charge acceptance.

3 times higher cycle life

  • Exide EFB boasts a three-fold increase in cycle life over conventional batteries of same size.

Optimised regenerative braking functionality

  1. Enhanced regenerative braking functionality in cars equipped with Start-Stop systems, resulting in maximum fuel savings and reduced CO2 emissions

High dynamic charge acceptance

Over the battery’s service life, it has a high dynamic charge acceptance.

Extra energy

Vehicles with and without Start-Stop systems will have additional energy (3 times more than conventional batteries)

3 times higher cycle life

Exide EFB batteries provide a three-fold increase in cycle life over normal conventional batteries.

Optimised regenerative braking functionality

In cars equipped with Start-Stop systems, regenerative braking capability has been improved, resulting in maximum fuel savings and reduced CO2 emissions. What is EFB Technology and how does it work? The EFB battery, which was developed by Exide in collaboration with major European automobile manufacturers, combines 3DX Grid plates with higher-density active material and additives. The plate is housed within a container.

Products > Car Batteries > Stop-Start Batteries

ISS Q85 EFB MF BatteryYuasaDIN65LH MF AGM ISS Yuasa BatteryYuasaDIN53LH MF AGM ISS Yuasa BatteryYuasaDIN110LH MF AGM ISS Yuasa BatteryYuasaDIN53LH MF AGM ISS Yuasa BatteryYuasaDIN110LH MF AGM ISS Yuasa When Idle, I Stop, and I Start. Century BatteryCenturyISSDIN65L MF EFB Idle Stop Start CenturyISSDIN65L MF EFB Idle Stop Start CenturyISSDIN65L MF EFB Idle Stop Start CenturyISSDIN65L MF EFB Idle Stop Start CenturyISSDIN65L First of two Century Batteries


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