Lapgrade Battery for Dell Vostro 3521, 3546, Dell Latitude 3440 3540 E3440, 4 Cell Battery-4WY7CMax Charge Voltage: 16. 8V, Li lon 14. 8V,2000mAh 30Wh, 4 Cell Battery 4WY7C Built in circuit protection for device safety 1 year replacement warranty. 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

Over Voltage protection feature Protect the charging laptop rom getting high voltage

Battery capacity: 4800mAh

Capacity: 8150mAh

Lagrade battery for Dell Latitude E7240 E7250 Series-WD52HBattery voltage: 11

Features 6 Cell Battery 3900 mAh Capacity Li-ion Battery

Input:100-240v

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

Get confirmation on chat support

No Physical Damage

Capacity:5850mAh

Li-ion battery (external)

6-cell battery