Goal Zero 21004 Switch 8 Silver Solar Recharger

This is very good, delivers good charge, and was light and easy to use. It does not include the solar charging tip so I am trying to figure out how to couple it into my Nomad solar charger like it says you should. However, for those who just want an easy battery backup, this should be perfect.

I love these little lithium batteries! I use these both while at the office to recharge my smart phone when I am running on empty and while hiking to power up again my camera/electronics when they need a top off. Unlike another reviewer I have not felt that the charges took a long time, actually they were excellent in recharge time. I plugged in my iPhone 4 at 55% battery capacity and got to 76% in only forty minutes, with three of the four bars still showing on the switch 8, and 92% after just under an hour and a half with two bars still left on the switch 8. It does have its limitations though. It only boosted my iPad4 battery charge by 11% after completely exhausting the battery which got actually pretty warm in doing so. However, I have really enjoyed these little batteries.

The added plus with these puppies is that they are light weight at 3.2 ounces, much lighter than other alternatives on the market. Although not mentioned, you can daisy chain two of the these together to provide more charge to bigger, more power hungry devices. Nifty huh?! Another benefit is that when hiking, I can plug in both the switch 8 AND my Guide 10 Plus battery recharger at the same time on the solar panel since they use different ports. Nice feature. A little suggestion is to buy a 4 port micro USB hub (about 1.6 ounces) so you can plug in two daisy chained switch 8s to four USB devices so I can recharge them at the same time while I sleep so they are all ready for the next day on the trail. HIGHLY recommend these little puppies! Go Goal Zero!

If Goal zero reads these, consider doing something similar in a form factor that carries two to three times the charge (again that can be daisy chained) in a light weight lithium battery form factor for those that need more power but do not want to carry around the new lithium Sherpa 50.

Again, very pleased with the switch 8s.

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Purchased this to charge my phone and other devices on the go. Once the Switch 8 was charged, I plugged in my phone which I purposefully let drain to zero. Two hours later, i had charged to less than 20%. Rather disappointing.

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Works well for when you are out in the middle of nowhere and you absolutely need a charge for necessary electronics. Charges itself via usb from either wall outlet or through another device. battery indicator lights on the side come in handy for obvious reasons. could use some water repellecy somehow which would make it greater for outdoors use. to each their own.

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Easily slots into a rucksack or pocket, using it more that I ever though.. Great design and works very well

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