Replacement Battery for select HP Laptop / Notebook / Compatible with HP 4540s, 4330s, 4331s, 4430s, 4431s, 4435s, 4436s, 4440s, 4441s, 4446s, 4530s, 4535s, 4545s, 3ICR19/66-2, 633733-1A1, 633733-321, 633805-001, 650938-001, HSTNN-DB2R, HSTNN-IB2R, HSTNN-LB2R, HSTNN-OB2R, HSTNN-XB2E, HSTNN-XB2F, HSTNN-XB2G, HSTNN-XB2H, HSTNN-XB2I, HSTNN-XB2N, HSTNN-XB2O, HSTNN-XB2R, HSTNN-XB2T, HSTNN-XB3C, LC32BA122 ( 6 Cell, 4400 mAh ) - Includes Mini Optical Mouse with Retractable USB cord

Our state of the art HP 4540S compatible notebook battery is designed and manufactured under strict European ISO 9001 standards. It meets and exceeds high priced OEM products, allowing you to power your computer with a superior quality battery for a fraction of the price! This includes ONE Compatible Laptop Battery and ONE Mini Optical Mouse. Compatibilities: Laptop models: HP ProBook 4330s, 4331s, 4430s, 4431s, 4435s, 4436s, 4440s, 4441s, 4446s, 4530s, 4535s, 4540s, 4545s, Battery models: HP 3ICR19/66-2, 633733-1A1, 633733-321, 633805-001, 650938-001, HSTNN-DB2R, HSTNN-IB2R, HSTNN-LB2R, HSTNN-OB2R, HSTNN-XB2E, HSTNN-XB2F, HSTNN-XB2G, HSTNN-XB2H, HSTNN-XB2I, HSTNN-XB2N, HSTNN-XB2O, HSTNN-XB2R, HSTNN-XB2T, HSTNN-XB3C, LC32BA122, PR06, QK646AA, QK646UT.