James and all.
I’ve run the Northstar batteries in a string of 12 NSB’s for 210AH and 144V. As pretty much as everyone has said they were GREAT batteries for the time I had them, about 7 years, until I switched to LiFePo4’s. I will disagree with you James on the LiFePo4’s. They are fantastic batteries. You concern with the BMS failure is not justified IF you use a good system. I’m using the Orion BMS which in all cases of failure will shut down the charging systems I have protecting the batteries from over and under charge conditions.
The 4’s are 1/3rd the weight. 550lbs vs 1800lbs
The 4’s will discharge to 5% with no damage vs 40%
The 4’s have a life expectancy twice of the AGM’s (Based on your mileage of course.
My NSB’s would have cost about $8,000 to replace, the LiFePo4’s cost $13,000 but if you look at the life expectancy they are cheaper than the NSB’s.
0 loss of charge if they sit for 5 months over the winter (my experience) with no load.
A bunch of people are using the LiFePo4’s for house batteries.
I couldn’t be happier with the LiFePo4’s.
Steve in Solomons MD
Lagoon 410 S2E
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