Do you know what type lithium polymer battery cell inside the Xiaomi smart audio glassess?
The right side of the Xiaomi AI Smart Glasses (2025 version) has a built-in 255mAh single-cell polymer lithium battery, model ST400826, nominal voltage 3.7V, rated capacity 85mAh. The battery is equipped with the Chuangxinwei CM1115-RC lithium battery protection IC, which supports safety protection functions such as overcharge, overdischarge, and overcurrent.
Battery characteristics
Capacity: 255mAh, typical battery life is about 8.6 hours (listening to music) or 45 minutes (video recording)
Voltage: 3.7V
Protection mechanism: Voltage/current monitoring and abnormal protection are achieved through the built-in MOSFET of Chuangxinwei CM1115-RC.