About this replacement
Designed for Xiaomi, Redmi devices. Compatible models include Mi 11X 5G, M2012K11AI, Poco F3 5G, M2012K11AG, Mi 11i 5G, M2012K11G, Mi 11X Pro 5G, M2012K11I, K40 5G, K40 Pro 5G, K40 Pro+ 5G, M2012K11Q. Replacement part numbers include BM4Y. Key specifications: 3.87V, 4400mAh, Li-Polymer.