Battery load test analysis
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LED indicator light
The GOOD LED
lights up.
The WEAK or BAD
LED lights up, but
the voltage reading
displayed in the digital
display remains stable.
The WEAK or BAD
LED lights up, but
the voltage displayed
in the digital display
drops.
Condition of car battery
The battery capacity is okay.
Battery capacity not satisfactory. The battery
is either defective or insufficiently charged.
Determine the acid density of the battery fluid.
If you are using a common battery, which is not
maintenance-free, determine the acid density
with an acid siphon (min. 1.20 to 1.22 kg/l). The
value remaining below approx. 1.24 kg/l after
charging the battery indicates that the battery
is exhausted (after approx. 5 to 8 years). The
battery should be replaced. A maintenance-free
battery only needs to be charged and does not
require checking the acid density.
The battery might be defective or exhaustively
discharged and should therefore be replaced.
Write down the voltage that is being displayed
after the 10 seconds of battery load testing. A
voltage recovery within a few seconds indicates
the battery being defective. A slow recovery
of the voltage indicates the battery being
exhaustively discharged. For more detailed
results, we recommend determining the acid
density.
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