• Laptop Battery for Dell Inspiron 1520; Dell Inspiron 1521; Dell Inspiron 1720; Dell Vostro 1500; Dell Vostro 1700; Dell Inspiron 1721 • Compatible Part Numbers: Dell 312-0595|Dell FK890|Dell FP269|Dell 3120589|Dell 3120577|Dell 3120518|Dell 3120513|Dell 3120595|Dell DY375|Dell TM987|Dell NR239|Dell 312-0589|Dell 312-0577|Dell 312-0518|Dell 312-0513|Dell NR222 • 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: • Battery Technology: Li-Ion