Hi Scott,
Regarding your question 1, there is nothing wrong with storing your batteries in your basement. However, I do not believe you have to do that. From what I have read, you are not supposed to CHARGE the batteries in freezing temperatures, but it is OK to STORE them at those temperatures. Mine have been fine here in northern Ohio.
Note that I am NOT an expert, so those who know better, feel free to correct me.
Pat
From: electricboats@groups.io On Behalf Of Scott E Erdman via groups.io
Sent: Monday, October 9, 2023 11:43 AM
To: electricboats@groups.io
Subject: [electricboats] a couple of questions
I'm looking at buying a Pearson 10M that has been fitted with a Thunderstruck 10k and bank of 4 lithium battery packs for 196 AH 48V. All that checks out and fits fine with my needs and wants for the boat. The current owner did the install and it looks good. A couple of questions based on my reading:
- The boat will get stored somewhere around Lake Ontario outdoors over the winter. From what I read, it is best to store the batteries somewhere so they don't get subjected to sub zero temps so I plan to just pull them and put them in my basement over the winter. Also it seems it is best to have them somewhere around 80% capacity – i.e. not full charge.
- Looking for tips on keeping the batteries safe while sailing – they are installed well under the starboard cockpit seat and rear quarterberth area. I don't plan to sail in extreme weather and the area looked perfectly dry when I checked the boat out in the marina and out for a short sail in very very light breeze. Just wondering what sort of precautions aside from securing them very well people take to make sure the cells are never exposed to water. Basically this is a question asking, assuming it is well installed, are there some upgrades or best practices about insulating the connectors and such that can help further reduce issues that could be encountered – this is the nightmare scenario of a fire starting.
Thanks,
Scott
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