You can buy the Guide 10 Battery Pack from Goal Zero separately or in a kit with solar panels. In this video I have the pack fully charged and plug my iPhone to charge while clouds are rolling overhead.
Christine is showing off the Goal Zero Nomad 7 which we frequently use to charge our devices and this battery pack. It's an incredible combo that allows us to charge just about anything through USB in the backcountry, from cell phones, to headlamps and water purifiers like the Camelbak All Clear.
The guide 10 will charge my iPhone between two and three times on a single charge. That's even handy to use if you're walking around New York City.
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