The 10.8V 12V Drill Battery Case 18650 Holder 3S 30A BMS Box is a versatile battery storage box designed for repair use. With a high capacity of 1650 mAh and a voltage of 3V, this Li-Ion battery is perfect for powering various devices in the Sound & Vision category. Manufactured in Mainland China, this battery comes with a 1-year manufacturer warranty, ensuring reliability and longevity in your projects. Ideal for DIY enthusiasts and professionals alike, this battery case is a must-have for those in need of a reliable power source.