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: Application and ID

Battery Usage:




Battery Temperature Vs Voltage Drop:




1. The catalog number of the original equipment battery is the last three digits of the battery GM part number.
2. Cold Cranking Amperage = The amperage available for 30 seconds of engine cranking at -18°C (0°F).
3. Reserve Capacity Rating = The approximate time in minutes a battery can support a 25 ampere load without the battery terminal voltage dropping below 10.5 volts at 27°C (80°F). This is important in the event of a charging system failure.