This is the battery eliminator for the BaoFeng UV-82 series radios. To use the eliminator simply clip it to the back of the radio in place of the battery， then plug the cable into a cigarette lighter or accessory socket (12V only). This allows your radio to run off the vehicle or selected 12V source. The eliminator supplies power to the radio directly from car.  Highlights : Supply power to the UV-82 series BaoFeng radios directly from your car with this battery eliminator Replaces your radios stock battery while in the vehicle to direct DC power your radio Note: This is a battery eliminator， not car charger for your existing battery Specifications : Over Current Protection Input : DC 12~24V  Output MAX :7.5V 3A  High efficient >90%， low heat dissipation