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
If it fails: lemon-manuals.org.ua

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Parasitic Draw

The graph below indicates roughly how many days a 690 CCA battery with at 110 minimum. RC (60.5 AH) starting 80 percent state of charge will last, with a constant current draw until it reaches 50 percent state of charge. Differences in battery rating and temperature will affect the results.

Load Test: