electric bicycle with CE and EN15194 certification motor:180-500w battery:24v,10ah,36v,10ah li-ion battery Motor:180-250W High Speed Brushless Gear MotorController:Pedaling Run/Pedaling-Electric Assist RunOption: Pure Electric Run ModelOverload protection, Low voltage protectionBattery:Option: 24V 8AH, 24V 10AH or 36V 10AH Li-ion batteryCharger:100-240VAC50-60HZ,1.8A amps smart chargerCharge time ...