Which battery does my car need?

The requirements for a starter battery vary greatly depending on the vehicle. To ensure a permanent power supply, the number of electrical consumers in the car must be taken into account.

How do I find the right battery for my car?

Before you buy a vehicle battery, make sure that the dimensions of the new battery match those of the old car battery. If necessary, use a folding rule to measure the length, width and height. Pay attention to the arrangement of the terminals. Positive terminal on the right or positive terminal on the left. It should be ensured that the new starter battery fits into the vehicle.

How do I charge my car battery?

With correct and regular maintenance and care, the service life of a car battery can be positively influenced so that it works perfectly for many years. Please note the following: When driving short distances, the battery is not supplied with sufficient operating current (from the alternator) from the vehicle. As a result, the battery is not sufficiently recharged and loses performance. If you often only drive short distances with your vehicle, it is advisable to regularly connect the starter battery to a charger and charge it in between.

How long will my car battery last?

Under optimum conditions of use, the life expectancy is around six years. A lot of short journeys, long idle times and increased use of e.g. seat heating, music system or lights have a negative impact on the service life. Many batteries last considerably longer under normal use.

What is a liquid acid starter battery?

The batteries with lead-acid technology are maintenance-free and are used in cars with simple basic equipment.

What is an AGM starter battery?

AGM (Absorbent Glass Mat) is used in upper mid-range and premium vehicles. These vehicles have automatic start-stop systems (with brake energy recovery), sophisticated accessories and state-of-the-art equipment. Starter batteries with AGM technology are installed in these cars ex works, so we recommend using an AGM battery when replacing them. If a battery with other technology is installed, this can lead to failure of the automatic start-stop system and comfort functions.

What is an EFB starter battery?

EFB batteries have been specially developed for vehicles with demanding driving behaviour. These are cars with simple automatic start-stop systems (without brake energy recovery), as well as models without automatic start-stop systems that are mainly used in city traffic. These maintenance-free EFB batteries are also often used in cars with many electrical consumers such as seat heating, multimedia and navigation systems.

What capacity do I need for my vehicle?

The capacity of the previously installed (old) battery is generally used as a guide value. However, the capacity values may vary slightly (+/- 10%). If you drive a lot of short distances, choose a lower capacity as the alternator has less time to fully recharge the battery. For example, 70Ah can be installed in your car instead of 77Ah if the dimensions are suitable.

What does EN CCA cold test current/star current mean?

The cold test current is the current with which the starter battery can be loaded at -18°C before the battery voltage falls below a specified final discharge voltage after a specified discharge time. The cold start current (also called cold test current) is the decisive factor for good starting ability. It is the current that a battery can deliver at -17.8 °C for 30 seconds until the battery voltage falls below an unusable level.

How do I connect a starter battery?

Before replacing the vehicle battery, be sure to switch off the engine. Make a note of the arrangement of the connection poles to avoid polarity reversal. Follow the vehicle manufacturer's instructions for installing the new battery. Avoid direct contact with battery acid. Protect your hands with gloves, your eyes with safety goggles and wear old clothes when replacing the battery. First disconnect the earth cable (negative cable, usually black or blue) to avoid a short circuit. Then disconnect the positive cable (usually red). Check the battery compartment for damage and repair it if necessary. Remove any dirt from the pole terminal. Dirt can lead to increased contact resistance. This can lead to premature battery failure. To prevent damage due to oxidation or sulphate formation and acid corrosion on the battery terminals, also use battery terminal grease. Ensure that the terminal clamps are firmly seated to avoid contact interruptions. Use a torque spanner to tighten the locking mechanisms. The correct torque can be found in the vehicle manual. First connect the positive cable (red) to the positive terminal of the battery, then connect the earth cable. Check the correct pole arrangement beforehand.

What do I do with my old battery?

Starter batteries contain lead and must therefore not be disposed of with household waste. According to the Battery Act, end users are obliged to return used starter batteries to the seller of the battery or to a municipal collection centre. (Act on the Placing on the Market, Return and Environmentally Sound Disposal of Batteries and Accumulators (Battery Act - BattG) § 10 Deposit obligation for vehicle batteries) Battery Act Distributors who sell vehicle batteries to end users are obliged to charge a deposit of EUR 7.50 including VAT per vehicle battery if the end user does not return a used vehicle battery at the time of purchase of a new vehicle battery.

Starter batteries for cars, motorbikes and lorries

Q: Does AKKU SYS also deliver to private customers?

AKKU SYS is aimed at business customers w Specialist dealers, workshops and companies that require starter batteries and other products in large quantities. Direct sales to private customers are not possible .

Q: What do AGM and EFB mean?

<li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" aria-setsize="-1" data-aria-posinset="1" data-aria-level="1"> AGM stands for "Absorbent Glass Mat" and refers to batteries with glass fibre fleece that binds the acid. These batteries offer maximum performance, are leak-proof and have a particularly long service life. <li data-leveltext="" data-font="Symbol" data-listid="2" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" aria-setsize="-1" data-aria-posinset="2" data-aria-level="1"> EFB stands for "Enhanced Flooded Battery" and is a further development of the classic lead-acid batteries, especially for vehicles with start-stop technology.

Whether car, lorry, motorbike or tractor - every journey begins with a strong start. We offer high-quality starter batteries for all vehicle types and requirements. Our range includes state-of-the-art technologies such as AGM and EFB, which have been specially developed for high-performance start-stop systems, as well as classic lead-acid batteries for maximum reliability.

As your reliable wholesaler, we offer you a wide range of products, understand your requirements and focus on quality, service and partnership - so that every one of your vehicles gets off to a flying start.

Our top brands for starter batteries

Your advantages

Quality and reliability

With AKKU SYS we work exclusively with renowned manufacturers to offer you batteries of the highest quality. Every battery is carefully tested so that you can rely on maximum reliability and longevity.
Fast availability

Thanks to our extensive warehouse and efficient logistics structures, both small deliveries and larger quantities reach you quickly.
Technical expertise and advice

Our battery experts are at your side with their in-depth expertise. Whether you want to clarify technical details or need help with product selection - you will receive competent and personalised service from us.
Order around the clock

As a registered business customer, you benefit from our convenient Online shop. Here you can view availability, compare products, benefit from current promotions and order conveniently.

Overview of different battery technologies

Choosing the right battery depends on the specific requirements of the vehicle and the operating conditions. Whether for a car, lorry, motorbike, caravan or boat - we have the right battery for starting an engine in stock.

The dimensions of a new vehicle battery should match the old one. The technology also plays a decisive role. Our experts will provide you with comprehensive advice to help you find the optimum solution for your fleet's or your customers' vehicles.

Starter batteries for motorbikes or scooters must be compact, powerful and vibration-resistant. Maintenance-free AGM batteries or gel batteries are particularly suitable as they are robust and ideal for seasonal use. Sufficient starting power is important.

A supply battery is recommended for the operation of electrical consumers, for example in caravans. You can find more information here: Supply batteries for motorhomes

Starter batteries

With our range of AGM, EFB and wet batteries, we cover all requirements - from modern start-stop systems to classic applications.

AGM

Highest performance and durability
Leak-proof and cycle-proof
For cars with start-stop systems, brake energy recovery, powerful engines and many electrical consumers
Commercial vehicles with extensive equipment or in seasonal use, e.g. tractors and construction machinery
Ideal for vehicles that are frequently used in extreme conditions
Suitable for motorbikes

EFB

Improved lead-acid battery performance
Cost-effective alternative to AGM batteries
Specially developed for vehicles with start-stop technology
Ideal for use in cars and light commercial vehicles such as vans

Lead-acid batteries (wet batteries)

Proven and cost-effective solution for vehicles with lower battery requirements
Ideal for standard cars and classic cars
Use in commercial vehicles such as lorries, construction site vehicles, delivery vehicles or agricultural machinery with simple equipment
High starting power

All from a single source

With our accessories, you can extend the service life of your batteries, prevent failures and ensure the smooth operation of your vehicles.

Jump starters or compact boosters: With these products you can ensure that your customers or your fleet are always ready to go.

Premium chargers from CTEK or Victron for optimum battery performance and service life with protection mechanisms against overcharging or deep discharge.

Button cells and special batteries for car keys, remote controls and control units.

Professional disposal of old lead

We take care of the certified and professional disposal of all types of batteries. In most cases, the raw materials can even be completely recycled.

Frequently asked questions

Do you have questions about starter batteries?

Here you will find a summary of general questions and answers.

If your question is not listed, please contact us.

We will be happy to help you.

Delivers AKKU SYS also sell to private customers?

AKKU SYS is aimed at business customers wSpecialist dealers, workshops and companies that require starter batteries and other products in large quantities. Direct sales to private customers are not possible.

Is it possible to extend the service life of starter batteries?

Yes, with the right care and handling, the service life of starter batteries can be increased considerably. We will be happy to give you practical recommendations, whether for your vehicle fleet or your customers:

Avoid deep discharges.

Charge the battery regularly, especially if the vehicle is used infrequently - either by driving or using our premium chargers from CTEK or Victron

Keep the battery and terminals clean and free from corrosion.

What do AGM and EFB mean?

AGM stands for "Absorbent Glass Mat" and refers to batteries with glass fibre fleece that binds the acid. These batteries offer maximum performance, are leak-proof and have a particularly long service life.

EFB stands for "Enhanced Flooded Battery" and is a further development of the classic lead-acid batteries, especially for vehicles with start-stop technology.

What do EN, CCA, cold test current and starting current mean?

The cold test current (also known as cold start current) indicates the current that a starter battery can supply at low temperatures. It is measured at -18°C according to EN (European standard) or -17.8°C according to CCA (Cold Cranking Amps, North American standard) measured.

This checks what current the battery can supply for 30 seconds before the voltage falls below a specified final discharge voltage (e.g. 7.5V for a 12V battery according to EN).

The cold start current is a decisive factor for the starting ability of a vehicle at low temperatures. The higher the value, the more powerful the battery is when starting the engine.

How do I choose the right starter battery?

The choice of the right battery depends on the requirements and electrical consumers of the vehicle. Vehicles with start-stop systems, for example, require AGM or EFB batteries, while standard cars can usually be equipped with classic lead-acid batteries. Our experts will be happy to advise you on your choice.

Measure if necessary. Length,WidthandHeightand Please noteabsolutelythe type and arrangement of the connection poles. Positive terminal right or positive terminal left. It should be ensured that the new starter battery fits into the vehicle.

The basic guideline isCapacity of the previously installed (old) battery. However, the capacity values can be slightly(+/- 10%)deviate.

Can I use a different battery technology than the one previously installed in a vehicle?

Yes, in many cases this is possible, but you should ensure that the new battery technology complies with the requirements. of the vehicle is compatible. It is important that you about the compatibility of your charger and Your Alternator make sure. AGM batteries may only be replaced with identical technology, as they have a different charging characteristic to lead-acid batteries. Our Expert:inside will be happy to advise you on which options make sense for your vehicle.

Are starter batteries maintenance-free?

Modern AGM and EFB batteries are maintenance-free. However, the acid level of classic lead-acid batteries should be checked regularly and topped up with distilled water if necessary. Current lead-acid–Batteria in the starter area are created with a labyrinthcover and are therefore maintenance-free.