【More Capacity】Model battery:BM4Y. Same size but more capacity and more power life. This battery prolongs the phone service time, you can use the high capacity battery directly without bothering about running out of power and shut down some apps all the time.

【Applicable model】Developed specially as replacement for（ POCO F3 M2012K11AG / Mi 11i M2012K11G ）battery.Guarantee compatibility and give your phone a new lease of life. Please check your phone model carefully before buying.

【Easy Installation】It is easy to replace old battery with brandnew battery. Please turn off your phone prior to replacement, carefully disconnect your old battery and then connect your new battery to the mainboard, please ensure battery is connected to cellphone well,easily install, no need to worry about the installation is too complicated.

【Safe & Efficient】The battery guarantees high-speed and efficient charging, multiple protection, safer operation of the user and the device, and built-in microchip to prevent overcharge, overdischarge and overheating. You can use it with confidence.

【Great Service】24 hours‘ friendly customer service. Please contact the our support team for the first time if you are not satisfied with this item. We will spare no effort to help you,Only to provide you with better service.