The 5B11B36280 is an original Lenovo battery specifically designed as a replacement. With a capacity of 38 watt-hours (Wh) and a nominal voltage of 7.68 volts (V), this battery provides a reliable power source for compatible Lenovo devices. The battery consists of two cells and has a total capacity of 4950 milliampere-hours (mAh), allowing for long-lasting use. The lithium-polymer battery (LiPo) is characterized by its high energy density and low weight, making it ideal for mobile applications. The battery meets the requirements of the Science Based Targets initiative (SBTi), indicating a commitment to sustainable practices. The UN number 3480 indicates that the battery complies with international transport regulations. This battery is a practical solution for anyone looking to maintain the performance of their Lenovo devices.