This HP laptop battery is most commonly known as the PR06. It has a variety of names/part numbers, including: PR06, 3ICR19/66-2, 633733-142, 633733-151, 633733-1A1, 633733-241, 633733-242, 633733-251, 633733-421, 633735-221, 633735-241, 650624-241, HSTNN-DB2T, HSTNN-I97C-3, HSTNN-I99C-3, HSTNN-LB2R, HSTNN-OB2R, HSTNN-OB2T, HSTNN-Q87C-4, HSTNN-Q88C, HSTNN-Q88C-5, HSTNN-Q89C, HSTNN-XB2F, HSTNN-XB2G, HSTNN-XB2H, HSTNN-XB2N, HSTNN-XB2O, LC32BA122, PR09, .