Battery Replacement Kit for the Barnes and Noble NOOK BNRV100 with Installation Video, Tools, and Extended Life Battery. Guaranteed for One Full Year High Capacity 1250 mAh 3.7V Battery Works in NOOK BNRV100 eReaders including NOOK BNRV100 Wi-Fi and NOOK BNRV100 3G + Wi-Fi, Comes with Battery, Tools, and DVD Video Instructions Kit Includes Everything You Need to Revive Your Barnes & Noble NOOK BNRV100 non-color eReader.