Powerology VoltEdge 40000mAh Power Bank - With its ultra-high 40000mAh battery capacity, it provides your smartphones, tablets, and even laptops with uninterrupted power for days. Thanks to several different charging ports, it can charge multiple digital devices simultaneously in a fast and efficient manner. Its rugged housing structure and ergonomic design make it a reliable power source during long-distance travel, camping, and power outages. The built-in smart microchip system fully protects connected devices from overvoltage, overheating, and short circuits. With its high power and technical excellence, it is an ideal station for both work and personal use.