The Dudao K31 Pro Power Bank is a powerful and versatile energy source, equipped with a rated output of 45 watts and an impressive battery capacity of 20,000 mAh. This power bank is ideal for on-the-go use, providing enough energy to charge various devices such as smartphones, tablets, and other USB-C compatible devices. A special feature of this power bank is the integrated retractable USB-C cable, which allows for convenient handling and eliminates the need to carry additional cables. With a power capacity of 74 watt-hours (Wh), the K31 Pro is capable of efficiently powering even more demanding devices. The gray color gives the power bank a modern and elegant appearance that fits well into various environments. Therefore, the Dudao K31 Pro Power Bank is a practical solution for anyone who values mobility and efficiency.