Designed for Backfire Hammer, with the esc, power button, charging port all pre-installed in a fully sealed unit. Backfire Hammer customers could use this unit for easy replacement.
Equipment with 123P 21700 High Performance Cells.
Charging Voltage: 50.4V, suggested to use Backfire 2.5A charger or 4.0A fast Charger.
Connecting Plug: XT90