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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Battery

BATTERY

The battery is a 12-volt DC source connected in a negative ground system. The battery case is sealed with 2 vents to release gases. The battery has 3 main functions:
- Engine cranking power source
- Voltage stabilizer for the electrical system
- Temporary power source when the electrical loads exceed the generator output current