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Battery - leave in or remove for winter? - Printable Version

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Battery - leave in or remove for winter? - Lobsta - 10-23-2021

For those of us in colder areas, do you leave batteries in or remove for winter? Last year in another boat, I left in and trickled once a month via generator in the back of my truck. Batteries were just too hard to remove. With the new boat I think I can get them out without killing myself. 

What do you all do?


RE: Battery - leave in or remove for winter? - MC1600 - 10-23-2021

I’m on my second boat in the mid Atlantic and I never remove my batteries. I’ve got 8 onboard so that would be quite an effort. I leave them in go to the boat once a month or so to run the chargers for a couple hours. No issues with this routine so far.


RE: Battery - leave in or remove for winter? - ReelMagic - 10-23-2021

I winter my 2003 38 in the water, Long Island NY, where we have severe winters and leave the batteries in the boat w/charger on.. I've done it this way for the last 15 years and haven't had any issues with the batteries. As a mater of fact the batteries are GEL batteries which lasted 17 years before I changed them (they were the original ones & were starting to show there age). As a note ensure your charger is preforming correctly or you may experience a problem as a result.. So far my Charles charger is working correctly... M2C


Battery - leave in or remove for winter? - Misdirection - 10-23-2021

I'm up on the Great Lakes (Erie), leave mine in the boat. My boat is stored inside and the yard just plugs them in on a regular basis to keep them charged up.

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RE: Battery - leave in or remove for winter? - August Rush - 10-25-2021

I am here in Boston. Smaller boats I used to remove. My current 40 Express has (I think) 10-12 batteries. I just make sure they are fully charged once a month. I have the cheaper flooded batteries and they are holding up fine. Being fully charged is key I think.


RE: Battery - leave in or remove for winter? - mggilmorern@gmail.com - 10-25-2021

Good question. I've done both over the years, depending on the boat and how accessible the batteries were. Net, I haven't seen much of a difference. IMO, If you can get to the boat once per month to charge the batteries, then I would leave them in, if you don't want the hassle of goin to the boat monthly, then bring them home.


RE: Battery - leave in or remove for winter? - Lobsta - 10-26-2021

OK thanks folks- I think I will leave them and charge monthly off the Gen.