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NihilAliquis's avatar
NihilAliquis
Explorer
May 22, 2013

Charging a deep cycle battery with lighter guage wire

I currently have a deep cycle battery sitting in my camper and I currently charge it by putting it in my truck while I'm on the road charging it off the alternator via a battery isolator. This is get...
time2roll's avatar
time2roll
Nomad
May 22, 2013
Use heavy duty jumper cables if you must charge the RV battery from the truck. If pulling wire go with #4, as #12 will do about nothing.

Truth is it will all be a PITN and very slow leading to an early battery death from sulfation.

If parked in the sun look at getting 100 + watts of solar or a dreaded generator with a decent portable charger.

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