This laptop battery, model B31N1726, is an essential component for ensuring your laptop remains fully powered without interruption. Featuring a lithium-ion build, this 3-cell battery delivers a reliable voltage of up to 11.4V and a capacity range of 4110mAh to 4240mAh, translating to 48Wh of energy. Designed as a direct replacement for original systems utilizing this battery, it guarantees seamless integration with compatible laptops, providing dependable power. Safety remains paramount with built-in features like overvoltage and overheating protection, making it a smart choice for those requiring consistent battery performance.