This is a rechargeable McNally 3.7V/4.2V 4000mAh/14.8Wh MLP4110172 Battery . High quality and long lifetime, this MLP4110172 battery lets you work seamlessly when you are on the move for business trips or vacations. All our Li-ion replacement batteries for McNally MLP4110172 GPS have been tested and proven to match and/or exceed original battery performance and are 100% […]