HQRP Battery for PANDIGITAL Novel 7 Portable EBook Reader PRD07T20WBL1 PRD07T40WBL1 PRD07T20WBL7 545788978 541383570001 AL2740384A43 RR7T40WR1 BP-S21-11/2740 LS Digital Book E-Reader Tablet + Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V; Capacity: 2900 mAh; Li-Polymer; 100% compatible with Original Battery; 1 Year Warranty!