VINTRONS NI-MH Battery Pack Fits Sharp BT-H21, BT-H22, BT-H22U, BT-H21U, VL-AD260U, VL-H770S, VL-E680, VL-AH30U Capacity: 2700mAh / 9.72Wh Type: Ni-MH Volts: 3.6V Size : 56.00 x 53.50 x 19.00mm