Charging boat battery with truck battery

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raybrett

battery charger

Appreciate all the input. I figured there would be a lively discussion since battery issues are one of our favorite topics. (Anybody want to talk about anchoring?:stirthepot:)

Perhaps a bit more background would be helpful. My boat sits on its trailer at the marina. There is no electricity available for charging the battery while it's there. So, if I'm away from the boat for a while, I take the battery home and keep it on a charger in the garage. I'd like to hook up a good solar system that could recharge it after a weekend on the water, and keep it charged while it sits. And that might be what I should ultimately consider. but for now, I'm looking for simple, low-cost, effective, and safe.

For this discussion, I was thinking of how to charge the battery while enroute from one body of water to another, away from shoreside electricity for extended periods of time. I agree the jumper-cable idea sounds pretty Rube Goldberg and potentially unsafe. So could I install a system similar to what many of you have on your boats for the starter battery and the house bank (in this case, under the hood of the truck)? Would a solar system on the boat be more cost effective and less engineering-intensive? Am I trying to make a mountain out of a mole hill?
Go to Harbor Freight or elsewhere and buy a $15.00 solar charger.
 
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