The Powerology VoltEdge 40000mAh Power Bank  is one of the top solutions for charging needs with its fast, high-capacity, and multi-device charging ability. It is perfect for long trips or heavy usage, as it supports ultra-fast charging and can charge four devices simultaneously at most. The smart TFT display provides you with real-time data on the battery and charging process, which makes it user-friendly to check on usage. With the built-in impediments, your devices are guaranteed to be safe from overcharging and overheating, and you can relax. The multi-charging outputs will keep you covered with a variety of devices from cell phones to laptops. The power bank with a capacity of 40,000mAh is no doubt more than sufficient to power you for days. The device is compact and weightless, thus very portable. VoltEdge Power Bank is a must-have for those who want to stay powered up without being tied to a wall socket.