(Z-C203) 20,000 mAh Power Bank. Manufactured by Zhonghengyi Technology Co. Ltd., this high-capacity external portable battery pack is designed to charge mobile phones, tablets, and other digital gear on the go.Key Specifications & FeaturesBattery Capacity: 20,000 mAh. This provides enough juice to charge modern smartphones multiple times over (e.g., approximately 3 to 4 full smartphone charges depending on your phone's battery size).4 Built-in Charging Cables: The unique selling point is its integrated, hassle-free multi-cable design. It eliminates the need to carry separate cords by building them right into the body: