High Quality, high capacity, light weight rechargeable battery. 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 / 9.62Wh Dimension: 68.70 x 18.40 x 18.40mm Compatible Models: GRYPHON GM4100, RBP-GM40 Compatible Original Battery Part nos: 128000894