• Laptop Battery for HP ProBook 4326s; HP ProBook 4420s; HP ProBook 4421s; HP ProBook 4425s; HP ProBook 4520s; HP ProBook 4525s; HP ProBook 4321; HP ProBook 4421; HP ProBook 4520; HP ProBook 4320S; HP ProBook 4321S; HP ProBook 4325S; HP/Compaq Presario CQ321; HP/Compaq Presario CQ325; HP/Compaq Presario CQ326; HP/Compaq 320; HP/Compaq 321; HP/Compaq 325; HP/Compaq 326; HP/Compaq 421; HP/Compaq 620; HP/Compaq 621; HP/Compaq 625; HP/Compaq 4320T • Compatible Part Numbers: hp PH09|HP 593573-001-EV7|HP 593573-001 • 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: 7800mAh • Battery Technology: Li-Ion
