I want a backup car battery. How can I build it. Or Where can I find it?
Posted January 13th, 2009 by admin 4 Comments »
slice39 asked:
I’m thinking I can buy parts at radioshack and just connect the cigarette lighter to a spare battery in the back. Not sure how the fuses will work or if I need a resistor maybe.
I’m thinking I can buy parts at radioshack and just connect the cigarette lighter to a spare battery in the back. Not sure how the fuses will work or if I need a resistor maybe.