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

Parasitic Draw



* Take the reading in milli-amps.
* Note the battery reserve capacity. Refer to Battery Usage (HP2) Battery Usage (Non HP2). Battery Usage (Non HP2)

1. Divide this number by 4.
2. Compare this to the multimeter reading.
3. The current drain should not exceed this number.

Example: If a battery has a reserve capacity of 100 minutes, the current drain should not exceed 25 milli-amps.