Electrical question. NoFear, feel free to jump in

MississippiBoy · 06-02-10, 06:19 PM

I have a 24v trolling motor on the new boat. The deep cycle batteries for it are pretty old, but one of them still holds a charge, while the other one doesn't. I know the "good" one is probably not in the best condition, but it's still useable. My question is, if I get one new battery and hook it up in series with the old one, am I running the risk of damaging it, shortening its life, or draining it too fast?
If your advice consists of "Don't risk it, just get two new batteries and be done with it," that's fine, I just want to know if using a new battery and an old battery in the same circuit will cause problems.

06-02-10, 06:19 PM	#1
MississippiBoy BassFishin.Com Super Veteran Join Date: May 2007 Location: Ridgeland MS Posts: 3,923	Electrical question. NoFear, feel free to jump in I have a 24v trolling motor on the new boat. The deep cycle batteries for it are pretty old, but one of them still holds a charge, while the other one doesn't. I know the "good" one is probably not in the best condition, but it's still useable. My question is, if I get one new battery and hook it up in series with the old one, am I running the risk of damaging it, shortening its life, or draining it too fast? If your advice consists of "Don't risk it, just get two new batteries and be done with it," that's fine, I just want to know if using a new battery and an old battery in the same circuit will cause problems. __________________ I smell smoke, and I hear sirens. Do you think that's a problem?

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