• Laptop Battery for HP ProBook 4330s; HP ProBook 4331s; HP ProBook 4430s; HP ProBook 4431s; HP ProBook 4435s; HP ProBook 4436s; HP ProBook 4440s; HP ProBook 4441s; HP ProBook 4446s; HP ProBook 4530s; HP ProBook 4535s; HP ProBook 4540s; HP ProBook 4545s • Compatible Part Numbers: HP 633733-1A1|HP LC32BA122|HP QK646AA|HP QK646UT|HP 633805-001|HP 650938-001|HP 633733-321|HP QK646AA-ER|HP PR06 • Newest Premium Grade Cells: Premium Power Products replacement laptop batteries use premium grade cells to ensure fast charges and low power consumption. • Quality and Compatability : Premium Power laptop batteries are 100% compatible with the original manufacturer and meet CE/FCC/ROHS/UL certified safety standards. • Safety and Protection: Premium Power Products replacement laptop batteries are built with your safety in mind. All of our batteries come with built in circuit protection against: over voltage, over current, over charge, over discharge and over heating (i.e. thermal runaway). • Color: Black • Condition: New - 100% OEM Compatible • Capacity: 4400mAh • Battery Technology: Li-ion
