Goal Zero are in the business of equipping adventurers with portable solar power solutions so they stay powered up in even the most remote places on Earth. Their products are designed to reliably keep a variety of USB, AC and DC powered devices in the field.
With a swag of well known brand ambassadors including free climber Alex Honnold, Red Bull Illume winner Chris Burkard and National Geographic Adventurer of the year Mike Libecki, you can rest assured that any Goal Zero product has been field tested by those who are pushing the limits of their gear.
For portable solar power, you can't beat Goal Zero.