Get longer battery life and improved performance with a new Dell Inspiron 15 N5521 battery. This Dell Inspiron N5521 battery is rated at 5200 mAh or 58 Whr. There are no compatibility issues if your existing battery is rated at 4400 or 4800 mAh or a lower Whr. You can expect up to 2 - 3 hours of run time with this Dell Inspiron 15R N5521 battery when new, depending on your energy use.

All our products carry a full 2 Year warranty and every battery is charged and tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery.