Barnes & Noble  9875521, 9BS11GTFF10B3, BNRB1530, battery replacement For the Sony portable e-book Replaces e-Book Reader batteries 9875521, 9BS11GTFF10B3, BNRB1530, BNRZ1000 To fit Sony e Books Barnes & Noble  005, BNRZ1000, nook   This 3.7v battery is designed for the  portable reader with a capacity of 1250mAh , it is manufactured by our ISO 9001 certified supplier to a very high standard. As we supply a very large range of batteries we cannot always have stocks of the slower moving lines as batteries have a shelf life and we insist on quality control for our customers, which may mean slightly delayed shipment date, where this is necessary you will be advised by email. Battery Type: Li-ion Battery Voltage: 3.7V Battery Capacity: 1250