Quote Originally Posted by More Power View Post
I watched a video a while back about Electric Vehicle batteries. It said that the EV lithium batteries live longest when run from ~90% down to about 50%. Deep draw and 100% charges reduce life - they said.
Definitely true but 20% and even a touch lower is fine. That's where a programmable BMS comes in. I can set the top (and bottom) voltages that the battery will accept plus with the off grid solar charge controller I can set the top charge voltage to simply "not go there"