Attention : 10.8V and 11.1V are in common use. While 14.4V and 14.6V and 14.8V are in common use. New & Genuine 15.28V ; 50.7Wh Capacity Long Lasting Quality Cells Warranty : 1 Year 1 to 1 Exchange - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - All products selling are High Quality Components Lead to Longer Lasting Batteries. And guarantee High Abrasion Resistance Shell. And Over Charge And Discharge Detection Protection. With Quality Components Make for World Class Batteries. Also High Quality Li-ion Cells and Safe while also Convenient. We also did the Aging-test For Every Battery Before Packing. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - What's in the box : 1 x New Original Battery 1 x Warranty Card 1 x Anti-static Bag 1 x User Manual