The Vention 20000mAh 22.5W USB Power Bank is a powerful and portable power source designed to efficiently charge mobile devices. With a capacity of 20,000mAh, this power bank offers enough power to charge smartphones, tablets, and other USB devices multiple times. The lithium-polymer battery ensures reliable and long-lasting performance, while the maximum output power of 22.5 watts allows for fast charging. The compact design makes it easy to take the power bank anywhere, ensuring you always have power available even on the go. The black color gives the power bank a modern and elegant look, suitable for a variety of lifestyles. - Lithium-polymer battery for high efficiency and long life - Maximum output power of 22.5 watts for fast charging - Compact size for easy portability.