A:Answer Hello idomeneo, we are sorry to hear that you are having issues with your battery on the H800 headset.. At Logitech, it is our goal to ensure you are completely satisfied with your Logitech purchase. We take pride in the products and services we offer, and want our customers to enjoy them just as much as we do. The H800 comes with a 2-Year Limited Hardware Warranty. Please reach out to us on our Logitech support website so we can help out. Hope you have a great day!