6-Cell, Li-Ion, 10.8V, 4400mAh, OEM P/N: H0F74AA#ABA, MU06, MU06XL, WD548AA#ABB for HP Notebook 250 G1, 255, 435, 436, 450, 630, 635, 650, 655, Presario CQ43, CQ56, CQ62, Visit the product finder for more compatibilities on http://www.originstorage.de