Get longer battery life and improved laptop performance with a new Dell Inspiron 17R (7720) battery.

This battery is for the Dell Inspiron 17R 7720 series laptops and many other machines. See below for the complete list of compatible models. Or check the part number listed on your original battery and match it with one listed below.

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, even if it is not our fault. All our batteries also come with a full 2 Year warranty as well.

You can expect about 2 hours to 4 hours of run time with this computer battery when new, depending on your energy use.