Replace your sluggish battery with a brand new Dell Inspiron 17R (5720) battery. This battery is compatible with the Inspiron 17R 5720 laptop models as well as various other Dell laptop models. See below for the complete list or visit our Dell Inspiron battery page for the complete list.
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.