Manufacturer: EXTENSILO; Color: black; Dimensions (L x W x H): 9.2 x 8.2 x 5.1 cm; Technology: Li-Ion - no memory effect; Capacity: 2500 mAh; Voltage: 10.8 V; Nominal energy: 27 Wh; Number of cells: 3; Delivery contents: 1x battery Compatible devices: Dremel 8000-01, Dremel 8001-01, Dremel 757-01, Dremel 855-02, Dremel 855-45