The Notebook Battery for Asus VivoBook S300 S400 C31-X402 is an essential part for your laptop, allowing you to enjoy long-term use without worrying about running out of battery. This battery has a capacity of 4000mAh and operates at a voltage of 11.1V, making it powerful enough to power your laptop during long workdays or when you're on the road. This battery is specially designed for the Asus VivoBook S300 S400 and is a perfect replacement for the original battery that may have worn out over time. By choosing a refurbished battery like this, you can save money without sacrificing quality. Refurbished products have been carefully checked, repaired and tested to ensure that they are in optimal condition again. With this refurbished Notebook Battery for the Asus VivoBook S300 S400 C31-X402, you can work on your laptop worry-free again, knowing that you can rely on a reliable power supply. Whether you're on the road, working in the office or relaxing at home, this battery ensures that you always have enough power to get everything done. Thanks to the high capacity and reliable performance of this battery, you can enjoy your laptop for longer without having to constantly look for a power outlet. With a refurbished Notebook Battery for the Asus VivoBook S300 S400 C31-X402 you are assured of quality and durability, so you can focus on your work or play without having to worry about the life of your battery. Choose refurbished and enjoy an affordable and high-quality solution for your power needs.