In life, we only have only a few moments of truth to which we must quickly react, and it never helps to have a dead phone. Yes, most gadgets usually die at the most crucial times so Xiaomi has introduced the Mi HyperSonic power bank so that you can answer when opportunity comes knocking. It has dual USB-A ports and a USB-C that can charge a 4,500mAh battery in just one hour over four times. The power bank has a capacity of 20,000mAh, and takes about four hours to charge. Don’t worry, it is safe to carry because of the several layers of protection to stop it from overcharging and over-discharging. This 50W HyperSonic Power Bank is available for ₹3,499 starting today.