This battery is designed to enjoy optimum performance with your "MI" handset. With it your device will be powered longer and the battery will sustain a greater amount of charge. This Lithium Ion (Li-Ion) replacement battery from "MI" is always guaranteed to charge to the optimum level. The battery case mould is elegantly styled and great care has been taken to ensure that the design from the original handset is matched. This replacement battery has been manufactured using only the highest quality cells. The battery life of a handset can vary greatly depending on how you use your device and your battery charging habits. If your device is running out of battery quickly, or takes a long time to start up (or even does not start up at all), then you may need a replacement battery. Warranty: * 6 months warranty ( 1 to 1 exchange excluded shipping) * All battery have warranty sticker. Please dont remove the warranty sticker. * We recognize our battery and the warranty date by warranty sticker. No warranty card or online register are required. *Terms and condition apply* Model Available: BM20 - XIAO MI 2S BM31 - XIAO MI 3 BM40 - XIAO MI 2 BM41 - HONG MI BM42 - RED MI NOTE BM44 - MI 1S BM45 - RED MI NOTE 2 #phonebattery #MI #MIbattery #battery #BM20 #BM31 #BM40 #BM41 #BM42 #BM44 #BM45 #xiomi