Lapgrade Battery for Acer Aspire 4520 4530 4535 4540 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 Before ordering, please check the compatibility as there are two batteries that look same but are different.

   

Capacity:6000mAh

Capacity:3400 mAh

5amp 50-60hz

Unique Serial numbers on every Charger / box

3-cell battery

Capacity:8900mAh

The battery lets your laptop work seamlessly when you are on the move

Battery Capacity: 2000mAh

Capacity:6850mAh

4-cell battery

Capacity:8250mAh