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 …
Checking the liquid level against sulphation
In a battery or accumulator, the chemical reaction between the active material of the grids and the acid generates current (electrons emitted) to supply the loads or stores current (electrons) provided by the charger or alternator.
If the acid only partially …
Checking the battery step by step
There are many reasons for weakening or failing batteries. An important step in tracking them down is to measure the voltage with a battery tester.
Here's how:
1. preparation
Disconnect the battery from the vehicle, if possible remove it. Tips on how …
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.
Depending on the type, this battery is low-maintenance or maintenance-free.
Low maintenance version - TV types
Low-maintenance batteries can be recognised by the removable sealing plugs on the top, the vent hose and the white or transparent housing. In …
What does damage to the battery box indicate?
Damaged battery box
If the housing is leaking, cracked or chafed, this indicates destruction by external influences.
Tip: Look for a robust design in your next battery.
Deformed battery case
If the housing is deformed by heat, this indicates a defective …
Do I need a start-stop battery or a normal one?
In start-stop vehicles, the engine stops every time the vehicle is in neutral. This saves petrol and reduces air pollution. However, this means an extremely high load for the battery.
It has to start much more often, i.e. deliver high currents, than a …
Recognising and classifying battery damage
When the battery fails, it's annoying. Sometimes it's because of a faulty battery, sometimes it's because of the way you handle it. And only cause research and precaution helps permanently.
What is wrong with the battery can often be seen from the outside. …
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 …
What does low maintenance mean?
Low-maintenance batteries can be recognised by the removable sealing plugs on the top, the vent hose and the white or transparent housing. In these batteries, the electrolyte is in liquid form, i.e. it is not bound as GEL or in fleece. They are not sealed …
