Quote:
Originally Posted by glassdoctor
The only bad part is that if my 123 pack is fully charged, and I leave it plugged in with the engine off... it's probably discharging back into the car battery. So I only plug it when while driving
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If your cig lighter circuit turns off when you shut the car off, then it won't back feed into your car battery. However, even if this was true, that pack could still be powering your radio and other accessories.
