This is battery is for the Lenovo IdeaPad G50 and G40 series of laptops.

This battery is rated 41Whr. This is the highest rating available for a 4 cell battery pack. The higher the mAh rating, the longer your battery will run before it needs to be recharged again. There are no compatibility issues if your existing battery is rated at 2200 or 2400 mAh or a lower Whr.

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.

You can expect about 2 hours to 5 hours of run time with this IdeaPad G50 battery when new, depending on your energy use.