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)

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Reserve Capacity

The "Reserve Capacity," expressed in minutes, is the time required for a fully charged battery at a temperature of 27°C (80°F), discharging at a constant current (25 amperes) to reach a terminal voltage of 10.5 volts.

This time estimates the maximum time length a vehicle could travel at night, with minimum electrical load and no generator output.