Lapgrade Battery for Dell Inspiron 15R (5520) 15R (7520) 17R (5720) 17R (7720) 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

Capacity:46490mAh

Capacity: 2750mAh

Guided assurance on compatibility

No of Cell: 4

Li-ion battery (internal)

Capacity:7900 mAh

Voltage: 11

Compatible Laptop Models: Scroll Below

3-cell battery

No of Cell: 6

Resolution: 1366x768

please check the compatibility as there are two batteries that look same but are different