Lapgrade Battery for Dell Studio 1555 1558 1537 1557 SeriesBattery Voltage: 11. 1V, Battery Capacity: 4000mAh, No of Cell : 6 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

4 cell battery

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

Capacity:7850mAh

Capacity: 3650mAh

4000mAh/43Wh

1-year warranty

Capacity: 4410mAh

Capacity:2700 mAh

Capacity: 6350mAh

Type: Rechargeable Li-lon battery

Capacity:3650mAh

Voltage: 15v