High Quality, high capacity, light weight rechargeable battery. Longer battery life than the original battery that comes with the GPS. No memory effect. Can be charged or discharged as needed without loss of capacity. Overcharge protection, with built-in battery life microchip. CE Certified. Capacity: 2600mAh Physical size: 67.59 x 18.54 x 18.54mm. Compatible Models: Garmin DC50, DC50 Dog Tracking Collar Compatible Original Battery part nos: 010-10806-30, 010-11828-03, 361-00029-02 Note: Tools not included.