|Item Weight||4.8 ounces|
|Product Dimensions||1.5 x 5.2 x 1 inches|
|Item model number||25001|
|Manufacturer Part Number||25001|
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Goal Zero Sherpa Inverter 110V
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The Sherpa Inverter (110V) quickly and easily turns your Sherpa Power Pack (Sherpa 50 v2 and Sherpa 100 sold separately) into a convenient wall plug so you can power most laptops, tablets and camera batteries wherever life takes you. Take your wall outlet with you on your next adventure, business trip, while preparing for a power outage, or just on the couch.
From the manufacturer
Sherpa Power Packs
Offered in a 50Wh and 100Wh battery capacity, with removable AC inverter, the Sherpa power packs provide reliable, portable power at the push of a button.
Sherpa 100 with AC Inverter
Designed to power all the gear in your kit, the Sherpa 100’s versatile array of ports include two ultra-fast, smart USB ports for phones and tablets, a 12V port for lights, an innovative port specifically for laptops, and a detachable AC inverter for DSLR cameras and other small devices. The Sherpa 100 recharges from the wall, car, or from the sun with Goal Zero’s portable solar panels. Weighs 2.2lbs with inverter.
Sherpa 50 with AC Inverter
A lightweight power supply to keep laptops and tablets charged up anywhere you go. The Sherpa 50 Recharger is easy to pack and light to carry so your gear now goes the same distance you do and quickly recharges from wall, car or sun. Weighs 1.5lbs with inverter.
Sherpa Power Pack Highlights
Both the Sherpa 50 and Sherpa 100 are sold together with a Nomad solar panel to create a solar kit that can provide power to your devices no matter where you're located. The Sherpa 100 comes with a Nomad 20 and the Sherpa 50 comes with a Nomad 13 solar panel.
Nomad Solar Panels
Portable, foldable solar panel ensures you're collecting the most power from the sun for your gear. Utilize the built-in USB port or pair with a Goal Zero portable power pack to charge your gear day or night. Nomad 13 weighs 1.6llbs while Nomad 20 weighs 2.5lbs.
Both the Sherpa 50 and Sherpa 100 come with a removable AC inverter.
Weight: 0.35 lbs (159 g).
Dimensions: 1 x 1.5 x 5.25 in.
Sidecar port: 9-13V, up to 10A (120W max).
Powered by Sherpa 50:
AC Inverter US: 110V, up to 0.7A (75W max).
Powered by Sherpa 100:
AC Inverter US: 110V, up to 0.9A (100W max).
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I gave it 3 stars because the packaging is misleading about what the inverter should/shouldn't be used for. the packaging states "charge your laptop" on the cover even though many experts do not recommend using this type of inverter for sensitive electronics. It does not explicitly say that it is a modified sine wave inverter on the external packaging.
The Sherpa 50 is solid looking, no cheap plastic anywhere, and the handle is actually pretty nice for hanging it near the ceiling with a carabiner and using the built in LED as a quick area light. That little light is bright! Anyway, I did what the instructions told me, and charged it via the included 120v power brick, and it charged the unit from 20% up to 100 in a few short hours. I then took it with me to work and wherever, using it to charge my phone a few times. I've got a Note 3, with a nice fat 3200mah battery, that can barely last me 8 hours. Chalk that up to my smartphone habits. I could probably get 4-5 full charges of my phone using the Sherpa's built in USB port, and given the size of the unit, I'm quite content with that. I have not let the sherpa battery get below 20%. The first time I got to 20%, I decided to see what the real world time frame would be to charge it with the Nomad 13. I had a day off, so I set it out with direct sunlight, no shadows, on a clear day. The nomad took about 7 hours to fully charge the Sherpa from 20%. Not bad, though I may have been at the upper range of that 20% on the battery display. I also ended up using the 110ac invertor to power a small desk fan during an outage while the power company replaced a buried line to my house recently. No air conditioning, with 94 degree temps and 100% humidity made for a nearly unbearable day. The sherpa with the invertor powered the fan for hours, and merely got warm. I did have to use the high speed setting on the fan, as the low speed seemed to cut out too much power to run normally. The sherpa was fully topped off, and didn't go below 80% with the fan running at high for 4 hours. I do intend to get a DC fan so the power usage is more efficient, but for the unexpected, the sherpa worked flawlessly.
The solar panel is definitely sleek looking, foldable, and has that great zippered mesh pocket that can hold all of your cords and whatnot. Also handy is that the built in power block is inside that mesh pocket. When it's zipped up and all the cables/adapters are stowed, the panel is very compact. I've read some reviews where people are noticing the panels get scratched up when folded. I have not run into that problem yet, but the idea of a microfiber cloth in between them when stowed sounds good.
I can plug my Note 3 into the usb port on the Nomad 13 and charge nicely with full sunlight. If I leave it plugged in like that, the panel will charge it almost 20% give or take, in an hour. Since the panel is rated at 1 amp at the usb port, that's not too bad. If I wanted more, I could use the included 12v auto adapter and plug in my 2.1 amp car charger for faster charging (and more cord length). I'd love to have another to daisy chain them, but that's a future purchase.
Now for the reason it's a 3 star review: I've noticed the Nomad 13 panel has stopped charging as well as when it was new. I've used it via the built in USB port to charge portable Li-Ion battery packs before with no problem, but now it seems to just trickle charge them. I've also noticed that it won't charge my note 3 nearly as fast, about 3% an hour, and when the 12v is connected to the sherpa, it'll even stop charging if so much as a small cloud passes overhead. I will then have to unplug and replug the 12v cable, or close and then open the panel before the sherpa will start charging again. The panel is still putting out power, but it seems like it's not even half what it should be. I have not measured the voltages from the panel yet, but if and when the weather clears up enough, I plan on it. I'm in the middle of email exchanges with Goal Zero support, but their responses are delayed due to them being short staffed I'm told.
All in all, it seems like a great kit for camping or especially when the power goes out. I did specifically purchase this for hurricane season (I live in Louisiana) so I can keep communication going, as well as portable lights and the ability to recharge off grid. I'm hoping the solar panel was just a fluke, and a replacement will be more reliable. The modular design of the goal zero products makes expanding your setup easy, and if I get my current issue resolved, I plan to add more products to my setup in the future. I'll update my review pending the result of Goal Zero's technical support.
Edit 10/5/2014: Working with Tech Support has definitely made me more aware of what this kit is capable of and especially how environmental factors and positioning the solar panel will affect charging. Using their suggestions seems to have resolved my issues as far as performance of the unit, so I'm upgrading my rating. No qualms about purchasing this, and I've gone ahead and ordered a few extra solar panels that were on sale. I'm really looking forward to putting this through it's paces on trips!
Because I have so many related "gadgets," I really didn't know if needed this Goal Zero kit. I received it less than 24 hours and I don't know yet if I need it, but I know that I starting to love it. In fairness, I haven't gotten to use it too much. Thus far, I have only tried the Sherpa 50 and I am quite impressed: with the battery charge it got from factory, I charged my wife's iPad mini before the battery suddenly died (the LCD indicator was off and suddenly went from four bars to zero). After recharging it from the wall, I got a better idea of what this little beast is capable of: using the inverter, a single charge was more than enough (20% left still) to recharge my Macbook Air 11" from 5% to 100%. That's when I knew I could get something from this kit that I can't get from any of my regular battery packs (which lack the wattage) and the solar generators (which lack the portability).
Regarding the solar panel, it looks really promising. I really like its multiple connectors. The regular 5V USB can charge any regular battery pack or electronic device, whereas the 12V output can charge the Sherpa or Yeti. The 12V port can also be in connection with the cigarette adapter, which can give you one or two extra USB ports with a USB car charger. It also allows chaining with other panels, thus charging the Sherpa faster. I am planning to give it a try tomorrow... let's see if it meets the high expectations! (Update: I am trying the Nomad 13 panel right now, and it works great both with the 12V charger charging the Sherpa, and with the standard USB por charging a RAVPower 10,400 mAH battery pack -- not simultaneously, of course.)
Most recent customer reviews
However the solar panel Nomad 13 do not recharge well the energy bank.Read more