Lapgrade Battery for HP ProBook 6440B 6445B 6540B 6545B SeriesVoltage: 11. 1, Capacity: 4000mAh, 6 cell battery 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

Voltage: 7

Please match your battery picture with the picture provided by us as there are 2 different types of batteries being used in the same model

Battery Capacity: 4000mAh

Capacity:7850mAh

Battery Type: Li-ion

Guided assurance on compatibility

1-year warranty

Capacity: 7850mAh

6 cell battery

Capacity: 4410mAh

You can power your Laptop with this 4-Cell Lithium-Ion Battery from DellTM

Model No: Dell Latitude 7280 7480--C27RW/PGFX4/9W9MX