电动三轮车如何外接12v广告灯
一、How to install 12V energy-saving lamps on a 48V electric tricycle? ?
Buy a 48v to 12v converter for about 15 yuan (electric vehicle accessories are sold) or connect a 12v power supply from a set of batteries to a 12v DC energy-saving lamp
When two wires are connected from any battery, the voltage is 12V