How to charge a spare car battery at home and in the car?
Posted October 9th, 2009 by admin 1 Comment »
JDjoduJD asked:
Situation: I want to add another car battery to power my electronics in my car.
Situation: I want to add another car battery to power my electronics in my car.
Question:
1. How do I charge it to full capacity at home?
2. How should I wire the battery so the car will charge my battery when the car is on?
3. Can I use a voltmeter to measure the capacity of the battery?

