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9

I'm very satisfied with my Goalzero Nomad 7, it's small, easy to strap to your backpack, and it fully charges your batteries or anything that charges from USB or even 12V power in as little as 3hrs in good sunlight. There are lots of solar panels to choose from, any one will probably do the job, so shop for one that suits you. What you really need in your ...


9

Some back-of-the-envelope calculations: 12 volts * 4 amps = 48 watts * 8 hours = 384 watt-hours. That's the minimum battery capacity you'll need to power this for a night. The Goal Zero Sherpa 50 you propose to use will power it for about an hour, give or take efficiency losses. To power the blanket for the night, you're looking for something more along ...


3

Apart from the often mentioned possibility of bringing enough batteries or buying new ones along the way, I would like to list possibilities for recharging. As already mentioned by @LBell, there are the following two: Solar: Solar panels come in a great variety, allowing to find something for most uses. Some models might be able to charge during the hike ...


2

I use two cheap solar panels (A5-paper size, folding ones) on bike trips, one without a battery and one with. I have both installed on my bike all day, with my GPS device plugged in to one of them all the time. I travel on roads and in a particular direction, so I can adjust them every two hours or so to face the sun. This keeps the battery on a respectable ...


1

Having done tonnes of research in this area, I settled for products from a company called Portapow. They do an 11w panel which I combined with their 6000mah solar battery and a AA/ AAA battery charger. With this set up I can charge my phone from either the solar panel, battery pack or solar battery. I can charge batteries for my GPS. The 11w panel charges my ...



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