The battery for the Logitech Illuminated Keyboard K810 is a high-quality LiPo battery specifically designed to meet the demands of this device. Weighing 39 grams, this battery provides a reliable power source that ensures optimal performance. The device-specific size allows the battery to be seamlessly integrated into the keyboard, making installation and replacement easy. This device battery is designed for long-term use and meets the necessary safety and performance standards. The battery is subject to declaration, meaning it complies with applicable regulations. With this battery, users can ensure that their Logitech keyboard is always ready for use and delivers consistent performance without the need for frequent charging cycles. Ideal for anyone who values a reliable and long-lasting power source for their input device.