spare battery

NISSAN
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DEAKS
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  • 1 POST
need a portable spare battery to runlights.and music for camping what wires do i need to run to charge it on the go :?
Apr 2, 2006 at 12:12 AM
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LOSONE
  • CAR REPAIR CONTRIBUTOR
  • 1,616 POSTS
A ground wire to the chassis and a wire from the + battery post. It isn't a good idea to charge it this way without an isolator because the voltage regulato/alternator will not charge both batteries with the the same voltage/current. It could damage the alternator if used for an extended amount of time.
Apr 2, 2006 at 9:28 AM
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