Dell Original 3 Cell 11.4V 42WHr Laptop Battery for Vostro 3491, 5481, 5490, 5581, 5590Li poly battery (internal) 42 Whr,3 cell battery Voltage: 11. 4v, Capacity: 3650 mAh Built in circuit protection for device safety 1 year nationwide warranty from DELL. A guided assurance on compatibility Get confirmation on chat support within seconds BIS certified product ensures standardization and quality of product

Voltage: 7

Screen Connector: 30 Pin screen

1-year replacement warranty

Capacity:7900 mAh

1-year warranty provided directly by the DELL's authorized service center

Capacity:3500 mAh

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Capacity: 6350mAh

Li-ion battery (external)

Li-poly battery (internal)

Built-in circuit protection for device safety

4-cell battery