Get longer battery life with a brand new Dell 8RT13 battery. This Dell 8RT13 battery replaces the original battery found in a wide variety of Dell Inspiron, Vostro, and Latitude models. To make sure you get the correct battery, look on the battery itself for the "Dell Type" part number. It should match up with the 8RT13 battery part number or from a part number listed below.Don't see your specific model listed? See the full listings on our Dell laptop battery page.

This Dell 8RT13 battery is rated 40 Whr and will give you up to 6 hours of battery life, depending on the size of your laptop. The higher the mAh rating, the longer your battery can run on a single charge. If you're looking for the 6 cell 58 Wh version go to our Dell MR90Y Battery page.

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.

Note: if your laptop will not turn on even when plugged-in, you may need to replace your Dell laptop charger.

You can expect up to 4 hours of run time with this Dell 8RT13 battery when new, depending on your energy use.