Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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Threshold Values For Battery Inspection




Threshold Values For Battery Inspection Of All Battery (Telephone Except For Telephone Battery)

Safety instructions for handling vehicle battery.

Test step 1 - before charging the battery







Test step 2 - after charging the battery







NOTE: If battery was checked on the positive terminal in the engine compartment, repeat check directly on battery for sake of safety.