This Battery GBT 182872013 Lithium Polymer Cell Phone Battery BM33 is specially designed for Xiaomi Mi 4iMi4i. lt offers a powerful and long-lasting battery life. The Lithium Polymer technology ensures reliableperformance. lf you own a Xiaomi Mi 4i Mi4i, this battery is a perfect choice to keep your phone runningsmoothly. Keywords: Xiaomi Mi 4i Mi4i, Battery GBT 182872013, Lithium Polymer, Cell Phone Battery, BM33