... L):396*77*86mm 3.Weight: 3.95kg 4.Reasonable price, 2 year warranty 5.with Charger&BMS 1. Model: ... end ofDischarge30VDischarge Cut-off Voltage6Charging Voltage42V7Standard charge2A CC(constant current)charge to 42V,then CV(constant voltage 42V)charge ... charger7, With short-circuit production function, safe and reliable8, Factory price& High quality9, Fast charging10, Light weight, small size11, Large ...