There has been discussion on the ideal setup where a BMS with an e-switch is used for discharging (turning on the board), BUT also where that same BMS supports charging the battery without turning on the board/switch.
It seems obvious, yet according to SuPower, such a configuration is not possible:
That sucks, because who wants to have to turn on their ESC just to charge?!
Well, I believe I have figured out a solution using TWO BMS’s:
- Use one high-amperage BMS with an e-switch for discharging
- Use another low-amperage BMS for balance charging (+$15)
Please observe the diagram below. Would this work?