What does pole growth on the battery mean?
Whitish-grey deposits on the poles, so-called "pole growth", is caused by strong sulphation on the plates.
Tip: Always ensure a good state of charge.
What is wear and what can you do about it?
With a worn battery, the active material has degraded due to excessive load. Modern vehicles with many consumers constantly place higher demands on the battery. The capacity of the installed batteries is often not designed for this.
Prevention
The choice …
Dimensions before starting power
First of all, a battery must fit in your vehicle or machine. Check the dimensions of your old battery or the available space in the battery compartment of your vehicle.
The placement of the terminals, i.e. where exactly the positive and negative terminals …
Removing the starter battery or motorcycle battery
If you want to remove a start-stop battery: inform the vehicle system before removal.
First disconnect the negative cable (usually black), also called ground or earth, from the negative terminal of the battery.
Then remove the positive cable (usually red) from the positive terminal of the battery.
In a nutshell, the battery generates electricity, which it delivers to the consumers. It is charged and is ready again.
So far, so good. Meanwhile, a bit of chemistry happens inside the battery.
Current flow
In principle, current flows between a positive …
What is short circuit and how do I prevent it?
Short-circuiting occurs when the two terminals or plates of a battery are accidentally connected together. This can happen if the separator between the plates is damaged by vibration, for example, or if excessive battery sludge builds up, closing the …
Check battery externally before charging
If the battery box is damaged or deformed, replace the battery.
Clean dirty terminals with a wire brush.
Remove oils, fluids or other deposits.
For batteries with plugs, check fluid level and refill to MAX with distilled water if necessary.
What does absolutely maintenance-free mean?
Absolutely maintenance-free batteries are valve-regulated lead-acid batteries or VRLA batteries (VRLA = Valve Regulated Lead-Acid) that are sealed at the factory. Here, significantly less gas is produced than in wet batteries. The gas produced remains …
Always choose a battery that matches the load
Depending on the type of battery, it is designed for certain loads:
Starter batteries must deliver as much current as possible during the starting process. The cold start current, measured in CCA, is informative here and shows how much starting power …
What is a back-up battery?
In some cars, so many consumers are installed from the outset that it would overload the starter battery to supply them. This is where so-called back-up batteries are used.
If your car is equipped with a back-up battery, you should replace it again with …
