electric bike battery charger: 1 max output 120W, 2 aluminium case, 3 small size and light weight. 4.fast,smooth,effective Robust Aluminium Battery Charger For Electric Bike/Scooter.High frequency, switching mode battery charger Specifications: Size: 135×90×50mmNet Weight: 0.8KGMax Output Power: 120W Features:1.Charging method: constant current(CC), constant voltage(CV), cut-off or float (for ...