When one charge just isn't enough, the Goal Zero Flip 24 power bank fires up small devices from SEA to JFK with its 24 Wh, 6,700 mAh battery and 2.1A (10W max) USB power output.
 
Features
Battery capacity gives about 2 recharges on most phones and can even boost a tablet in a pinch
Ideal for phones, GPS receivers, headlamps, fitness trackers and more
Perfect size for any backpack, purse or carry-on
Recharges via compatible Nomad 5 or 7 solar panel (not included) or any USB power source
No on/off buttons to mess with; simply plug in your cable and charge up
Includes a built-in flip-out USB tip for easy recharging
 
Technical specs
Best Use
Backpacking
Charge Time (hrs)
USB: 4 hrs.; solar: 5-10 hrs.
External Charge
USB
Battery Included
Yes
Battery Type
Lithium Ion
Battery Capacity (Wh)
24.12 watt hours
Battery Storage Capacity (mAh)
6,700 milliamp hours
Power Output to Device
USB: 5V, 2.1A (10.5W max)
Material(s)
Aluminum/ABS plastic
Dimensions
3.7 x 1.63 x 0.83 inches
Weight
4.6 ounces