Practical and stylish, this high-capacity power bank is ready to charge you up. Loaded with three USB outputs, a 3.1 amp charging speed, and a 10,400mAh battery capacity, it charges up to three devices at once to completion with room to spare. Equipped with 10,400mAh lithium-ion battery with built-in short circuit and surge protection. Sleek design for maximized portability. Will charge a smartphone 4 to 5 times, or fully charge a tablet 2.5 times (depending on size). 3.1 amp charging speed, allowing the product to charge 1 device quicker than a wall outlet. Product Size: 4 13/64" W x 2 13/16" L x 29/32" H.