G-Power GP001 20000mAh Brilliance Power Bank with Display is a powerful and portable power bank with a large 20000mAh capacity. It can charge most smartphones up to 6 times on a single charge, making it ideal for travel, camping or any other situation where you need to stay connected without access to an outlet. The GP001 features a built-in display that shows the remaining battery level, charging status and output voltage and current. This makes it easy to keep track of how much power you have left and to ensure that your devices are charging at the optimal rate. It also has a number of safety features, including over-charging protection, over-current protection and short-circuit protection. This ensures that your devices are safe while charging.