External Skateboard Battery Pack

12s4p 43v16.8ah using high discharge Molicel P42A 21700 cell (4200mah 45amp)
60amp cont. 180amp peak xiaoxiang bluetooth bms system
Using state of the art battery welders we assemble hexagonal cell holders and use pure nickel solid plates (rather than nickel plated steel). 
10awg silicone discharge xt90 anti spark connector 
14awg silicone charge weipu aviation plug
 
Drok waterproof display with temp sensor and fully Programmable audible alarms for high voltage and low voltage