About 11.1V Rechargeable Lithium Ion Battery The 11.1V Rechargeable Lithium-Ion Battery is a reliable power solution designed for various applications, including GPS devices, solar lights, and emergency lights. Equipped with a 3800mAh capacity, this sealed lithium-ion battery delivers consistent performance and a long lifespan. Weighing just 200 grams, it is lightweight and easy to install in compact devices. With a nominal voltage of 11.1 volts, it provides stable energy output to ensure uninterrupted functionality. Ideal for industries requiring portable and dependable power sources, this battery combines efficiency with durability to meet diverse energy needs.