Welcome to my shop! Features: 100% brand new and high quality. Enchance length for more convenient using. Practical intercom battery for long using time. New original battery with excellent performance. It has been fully tested and can use for a long time. Durable which has exquisite workmanship. It is professional and safe for walkie talkie. Specifications: Item Size:15.5*5*3cm Item Color:Black Battery life:10000 (H) Capacity:3800 mAh Voltage:7.4V Compatible: For Baofeng bf-UV82-UV8D Package included: 1 x Battery Note£º According to different conditions, Battery capacity can be divided into actual capacity, theoretical capacity, also called rated capacity. Battery capacity refers to the battery storage capacity. The unit is ""mAh"", 1Ah = 1000mAh, so there are some differences between rated capacity and actual capacity in Battery. It is normal and reasonable. Welcome to my shop again!