Dell Original 4 Cell 14.6V 40WHr Laptop Battery for Vostro 2421, 2521Li ion battery (external) 40 Whr, 4 cell battery Voltage: 14. 6v, Capacity: 2700 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 15 days easy replacement BIS certified product ensures standardization and quality of product

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Voltage: 10

62amp 50/60hz 7

Capacity:3300 mAh

Capacity: 8150mAh

Off Site Warranty- Customer will Need to send the Defective Part To the manufacturer at his own expenses for replacement

Capacity:3400 mAh

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

Li-poly battery (internal)

BIS certified product ensures standardization and quality of product

6-cell battery