This IdeaPad B40 is rated 14.4 volts and 2200 mAh. You can expect up to 5 hours of run time with this IdeaPad B40 battery.

This IdeaPad B40 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.