This Lenovo G400 battery fits the the Lenovo G400 series models, also known as the Essential line. Lenovo also used some of the same model numbers in the ideapad series. If you have an IdeaPad model, this is the incorrect battery. You can always check your battery number and search it in our search box.

This Lenovo G400 battery is rated 5200 mAh and 10.8 volts. There are no compatibility issues if your existing battery is rated at 4400 or 4800 mAh or a lower Whr. It just means this battery will last even longer!

Each Lenovo G400 battery carries 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 3 hours of run time with this Lenovo G400 battery when new, depending on your energy use.

This Lenovo G400 battery also replaces the Lenovo C460 C460A C510 G400 G410 series laptop batteries and a host more.