The BL231 Li-ion battery is a high-quality replacement power solution designed for Lenovo Vibe X20 and S90 smartphones. With a capacity of 2300mAh, it ensures extended usage time for daily tasks and multimedia activities. The battery operates at a nominal voltage of 3.8V, delivering stable and efficient power performance. Built with premium lithium-ion cell technology, it offers excellent energy density, minimal self-discharge, and a long cycle life. This OEM-grade battery is engineered to meet original specifications, ensuring compatibility and safety. It features built-in protection against overcharging, overheating, and short circuits, providing reliable and worry-free operation. The BL231 is lightweight and compact, seamlessly fitting into the device without compromising design or portability. Designed for durability and efficiency, this replacement battery is an ideal choice for users seeking to restore their phone’s battery life and performance.