This battery does not have a protection board?
500/3.2 = 156.25 pieces The voltage seems weird...
< p> < p>Since you said it is 20AH, the energy storage is obviously 500V*20AH, which is 10 kilowatt hours, 10 kilowatt hours (this is deep discharge, that is say a single battery drops to 2V, in fact, if there is a protection board The voltage can only drop to 2.7V before blowing out, and there actually isn't much left. 'energy after)
The lithium iron phosphate battery is fully charged at 3.3V+, and the best are all 3.4. Above V is the static voltage. Once you start using it, this voltage will drop to 3.2V and remain constant for a long time. It is said to represent around 80% of capacity. is released at this tension