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 or lemon-manuals.org.ua

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Battery With Charge Indicator






Battery With Charge Indicator


Batteries that have a colorless or light yellow visual indicator do not have to be tested or charged. Jump starting must not be used!

There is a risk of explosion during testing, charging or jump starting.

These batteries must be replaced.


The following batteries described are maintenance-free batteries. Do not remove any of the labels on the battery and do not add distilled water. Only perform a visual inspection. Note the chapter on battery testing. Refer to => [ Battery with Visual Indicator, Checking ] Battery With Visual Indicator, Checking and => [ Battery, Inspecting ] Battery, Inspecting.

This is a maintenance-free battery with liquid electrolyte (wet battery).

This battery has a visual indicator. The visual indicator gives information about the charge status and acid level of the battery via a color display. Visual Indicator Color Display, checking, refer to => [ 3 Color Visual Indicator, Checking ] Color Visual Indicator, Checking or => [ 2 Color Visual Indicator, Checking ] 2 Color Visual Indicator, Checking.