About this replacement
Designed for Xiaomi, Redmi devices. Compatible models include Redmi K20 Pro, M1903F11A, Mi 9T Pro, M1903F11G, MZB7751IN, MZB7752IN, MZB7753IN, MZB7748IN, MZB7749IN, MZB7750IN, M1903F11T, M1903F11C. Replacement part numbers include BP40. Key specifications: 3.85V, 3900mAh, Li-Polymer.