VINTRONS Rechargeable Battery 1250mAh For Barnes&Noble NOOK Classic, 005, BNRB454261, BNRZ1000, 9875521 Capacity: 1250mAh / 4.6Wh Type: Li-ion Volts: 3.7V Size : 65.80 x 53.70 x 4.80mm Certificated with ISO9001, RoHS & CE