... 28inch wheel optional.DISC brake optionalBattery: 24V/10Ah 36V-10AH,36V-7Ah polymer li-ionAll battery with electronic protection circuitPAS: ... test (h)24/96Water proof GradeIP54 BatteryLiMnLiFePo4 24V,36V,48V24V,36V,48V 7Ah,10Ah,16Ah7Ah,10Ah,16AhAll battery is with BMS ... Euro)Display: Water proof LED or LCD displayController:34V,36V,48V Intelligent controllerCharger: AC110V-240V,certificated 2A safe ...