Replacement 1530mAh BNRZ1000, 9BS11GTFF10B3, BNRB454261, BNRB1530 Battery for Barnes & Noble Nook 1st Edition, Nook Classic, BNRV100, BNRZ100 Digital eReader with Installation Tools Replacement for the following battery model/part numbers: BNRB1530, BNRB454261, BNRZ1000, DR-NK01, 9BS11GTFF10B3, 9875521. Compatible with the following Barnes & Noble Nook models: Nook 1st Edition, Nook Classic, Nook BNRV100, Nook BNRZ100, Nook 005. 3.7V 1530mAh 5.7Wh Lithium-ion Rechargeable Battery Pack. Includes Free Installation Tools (When Purchased from MPF Products). 1 Year Replacement Warranty (When Purchased from MPF Products). MPF Products is a Registered Trademark.