3 Review(s)

The EB-BG990ABY is the factory-specified lithium-ion battery designed for the Samsung Galaxy S21 FE 5G, boasting a rated capacity of 4,500 mAh. It operates at a nominal voltage (typically around 3.88 V) and is engineered to deliver dependable daily performance, balancing high energy density with safety protections against overcharge, over-discharge, and short circuits. As a non-user-removable internal battery, it is integrated into the phone’s chassis and intended for replacement only by qualified technicians. With this cell, the S21 FE supports the phone’s full feature set, including sustained screen-on time, wireless charging, and reverse wireless power sharing, while maintaining thermal stability and long-term cycle life under normal use.