Re: [electricboats] Another LifePo4 build question

Myles - I bottom balance, but I have a little 4s pack. Some DIY EVers were very keen on it, and it made sense to me for a simple traction pack.

My BMS is not balancing, and it uses very little power. I have left it connected since assembling the battery 3 years ago, even when storing for 4 months with no charging. In fact, I have only used an AC charger once, after bottom balancing the cells. Everything else has been solar charging on the boat.

Certainly, in a larger, more complex battery, there will be more variation between cells, and balancing and BMS activity will be much more complex.

Interesting discussion.
Curtis Patzer

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