ASUS ZenPower Pro 
Quickly charge your compatible devices with the black ASUS ZenPower Pro 10,050mAh Portable Battery Pack. The ZenPower Pro provides 10,050mAh of rechargeable power in a compact, credit card-sized format. It delivers up to 2.4A of high-speed charging via its dual-USB outputs to supply your device with the power it needs when you’re on the go.
Grady Electronics 