Just Mobile Gum++ Portable USB Power Pack - 6000mAh 2.5AMP Silver
Just Mobile Gum Plus is clad in an aluminum, hard-wearing shell. Inside, an improved 6000mAh battery has enough capacity to recharge a smartphone up to 3 times, or add precious extra hours to a tablet. And its high-power USB output keeps charge times to a minimum. It's compatible with all smartphones and tablets. Features a durable aluminum casing and a high capacity 6000mAh Li-lon battery.