zacksc
100 W
I have been reading a number of great posts here on batteries, including “Li-ion cells ageing”, and I would like to ask a question pertaining to some specific cells and configurations. This involves some small, 200 Wh batteries, but you can easily scale it up to larger sizes by imagining doubling or tripling the number of parallel channels (and the projected current draw). Of the following choices, which would you prefer?
1) a 14sx1p battery made with 21700 40T cells (50.4 V)
2) a 10sx2p battery made with 18650 30Q cells (36 V)
3) a 10sx2p battery made with 18650 MJ1 cells (36 V)
4) a 10sx2p battery made with 18650 MG1 cells (36 V)
These all contain roughly the same power (200 Wh). I am thinking of a continuous current draw of about 5 amps for the first choice, which is a nominal 50.4 volt battery, and a current draw of 7 amps for the other three choices (which are each 36 volts). Happy to explain why I picked these 4 at some point, but I didn’t want to initially prejudice the discussion that I hope may follow. I would be really interested and appreciative of thoughts, comments, feedback, expanding the question, etc.
1) a 14sx1p battery made with 21700 40T cells (50.4 V)
2) a 10sx2p battery made with 18650 30Q cells (36 V)
3) a 10sx2p battery made with 18650 MJ1 cells (36 V)
4) a 10sx2p battery made with 18650 MG1 cells (36 V)
These all contain roughly the same power (200 Wh). I am thinking of a continuous current draw of about 5 amps for the first choice, which is a nominal 50.4 volt battery, and a current draw of 7 amps for the other three choices (which are each 36 volts). Happy to explain why I picked these 4 at some point, but I didn’t want to initially prejudice the discussion that I hope may follow. I would be really interested and appreciative of thoughts, comments, feedback, expanding the question, etc.