The BATT 4C 55Wh 3.6Ah LI SA04055X is a powerful notebook battery from HP Inc., specifically designed for use in HP Envy x360 models. With a capacity of 55 watt-hours (Wh) and a voltage of 3.6 volts (V), this lithium-ion battery provides a reliable power source for mobile applications. The battery consists of four cells, ensuring optimal performance and a long lifespan. Manufactured in China, the battery meets SBTi standards and is part of the manufacturer's RE100 commitment, indicating responsible environmental management. The BATT 4C is ideally suited as a replacement battery to extend your notebook's runtime and enable uninterrupted usage. With its compact design and high energy efficiency, this battery is a practical solution for anyone on the go who relies on a dependable power supply.