The RAVPower 70W 20000mAh Portable Charger in Black offers a powerful and reliable charging experience for your electronic devices on the go. This portable charger features a sleek and compact design that makes it easy to carry and use anywhere. With a large capacity of 20000mAh, you can count on this battery to provide the power needed to charge your mobile devices multiple times before needing to be recharged. The RAVPower battery is equipped with three different ports to meet your various device charging needs. These ports include two USB-C ports and a USB-A port. You can use the USB-C PD port to charge devices that support Power Delivery technology with a capacity of up to 70 watts, such as compatible laptops, tablets, and smartphones. As for the USB-A ports, they can be used to charge a variety of devices such as smartphones, tablets, headphones, and other electronic devices. The RAVPower battery provides a range of modern protection technologies, such as over-current protection, over-temperature protection, and over-charging protection. This ensures safe charging and protects connected devices from any potential problems.