• Laptop Battery for HP ProBook Probook 640 G2; HP ProBook Probook 645 G2; HP ProBook Probook 650 G2; HP ProBook Probook 655 G2 • Compatible Part Numbers: hp T7B31AA-ER|HP T7B31AA • 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: 4200mAh / 48Wh • Battery Technology: LiPo
