... wheel brakeSpeed ControlPedal control / automaticPower Specification Motor4kw,Permanent magnet brush DC, air coolerElectric System6V DCCharger60V 25AController60V,350ABattery6V 180AH x 10pcs,Gel ... of Battery280KGLife of BatteryRecharging for 500 times,or 2 yearsConvertor60V DC 300WChasis System Suspension System4 wheel independent suspensionSteering SystemRack and pinion ...