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Thanks John. I’m not sure I know what the high knee and low knee are exactly. I suspect it is describing the charging profile (curve) of the battery as it charges and discharges? Would that be correct?

I have installed 2x280AH lithium batteries in my motorhome. They have a max charge rate of 100 amps each, which I’m guessing would make for a total of 200 amp max as they’re paralleled. In addition I added small (25w) thermostatically controlled heatpads as I live in the Great White North! I...

I have 2x280ah batteries from Alberta Lithium. They had an amazing price and excellent service. One of my batteries wasn’t charging properly and they asked me to do a couple of tests, and then authorized a return and replacement was sent. No hassle! I’m most grateful.

RF. I don’t know what the problem was with the initial battery. I asked and they said they don’t have the staff to do failure assessments. And I have found the same problem as you, that the charger voltage gets to 14.1-14.2v range and the voltage bounces up and down a few times, and the settles...