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

The battery is an electrochemical device which converts energy into electrical energy. The battery also:
- Supplies electrical energy to accessories when the engine is not running.
- Supplies electrical energy to starter motor and ignition system to start engine.
- Maintains electrical energy to accessories when electrical load intermittently exceeds generator output.
- Stabilizes electrical system voltage.