Powertraveller Explorer 2

Milliamps Hour: (mAh): 6000; Dimensions: (L*H*W cm): battery pack: 8.7 x 4.5; Battery Type: Lithium-ion; Input Voltage: 5 V 2A; Output Voltage: 5 V 2A; Weight: Battery pack: 286 g; Number of Charges: iPhone/smartphone: up to 3 times, GoPro Hero 3: 3-4 times; Garmin Edge 100: 4 times; It is also compatible with a plethora of other 5V devices such as tablets (including iPad), iPods, digital cameras, sat phones and more.