This is a rechargeable Hezhong 3.8V/4.3V 30.4Wh 8000mAh BA7800 Battery . High quality and long lifetime, this BA7800 battery lets you work seamlessly when you are on the move for business trips or vacations. All our Li-ion replacement batteries for Hezhong BA7800 GPS have been tested and proven to match and/or exceed original battery performance and are […]