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  • GoSolar- 42W Portable Folding Solar Charger Kit - Charge Laptops, Phones & Batteries - Includes Li-Ion Battery, Jumper Cables, DC Inverter and 42 Watt Folding Panel - By California Solar Accessories
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GoSolar- 42W Portable Folding Solar Charger Kit - Charge Laptops, Phones & Batteries - Includes Li-Ion Battery, Jumper Cables, DC Inverter and 42 Watt Folding Panel - By California Solar Accessories


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  • The best portable solar kit on the market today! More wattage (40W)
  • And included Lithium-Ion battery than other similar priced kits mean more charging time for you!
  • Comes with 40 Watt foldable solar panel, rechargeable 8Ah Lithium- Ion battery, car jumper cables, cigarette lighter adapter and power inverter
  • Great for Camping, RVs, Boating, Beach, Rescue, Traveling and so much more
  • Has advanced MPPT (Maximum Power Point Tracking) for high solar efficiency. Full 1 year warranty, even includes battery!
  • Powers Laptops, Cell Phones, iPads, Lights, anything with a standard plug or USB cable- All with the power of the sun!

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Technical Details

  • Size (LWH): 10 inches, 3 inches, 8 inches
  • Weight: 5 pounds
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Product Details

  • Product Dimensions: 10 x 3 x 8 inches ; 5 pounds
  • Shipping Weight: 7.6 pounds
  • ASIN: B003XST3UY
  • Item model number: GS42WK
  • Average Customer Review: 3.7 out of 5 stars  See all reviews (22 customer reviews)
  • Amazon Best Sellers Rank: #548,696 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
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Product Description

Powers Laptops, Cell Phones, Lights, anything with a standard plug or USB cable- All with the power of the sun!

Comes with 42W foldable solar panel (highest in class), rechargeable 8Ah Lithium-Ion battery, car jumper cables(great when stranded!), cigarette lighter adapter and power inverter

Great for Camping, Boating, Beach, RVs, Rescue, Traveling and so much more

Has advanced MPPT (Maximum Power Point Tracking) for high solar efficiency

Full 1 year warranty, even includes battery!

This portable folding solar kit is more advanced than anything on the market. It comes with a new technology called MPPT (Maximum Power Point Tracking) which makes tracking solar power more efficient and reliable. As Sunlight intensity changes, the voltage and current from the solar panel also changes. The MPPT continuously calculates and adjusts to maximize the charging power.

This kit also includes great features such as jumper cables for your car. If your battery dies, you can re-charge quickly, and get back up and running with this kit. It also includes a powerful Lithium-Ion rechargeable battery that can power your devices even after the sun goes down. You can also use the included inverter to directly power your laptops, cell phones and lights during the day.

This product is great for earthquake safety kits, disaster relief kits and for serious hikers and campers. You can use this in your RV, Boat, Home, Tent or anywhere there is sun. Never be without power again!

Customer Reviews

Mine cracked, but never fear, duct tape is man's best inanimate friend.
richard j lawrence
I am going to contact the manufacturer and see if maybe I just have a defective unit and if I can get a new inverter and update my post once I hear back.
E. Dalton
It's great no longer having to worry about being without power because of the way it uses the sun to help turn things on.
K. Kennedy

Most Helpful Customer Reviews

24 of 26 people found the following review helpful By richard j lawrence on January 5, 2012
Though I don't think of myself as a "treehugger" I do find something incredibly fascinating about having the ability to generate and store electricity. Once I discovered the Go Solar 42 W kit, I knew I had to have it. Thus far, my expectations have certainly been met.

For me, one of the best things about the kit is that it's a kit. What I mean is that it's great for a novice, like me. It's great because I get to learn much of the basics without trying to cobble together something. The directions are easy to follow and within minutes after opening the package I was up and running.

I saw some complaints that the panels are heavy. I reckon "heavy" is a very subjective term. No, they aren't featherweight, but unless you think a gallon of milk weighs a ton, heavy seems to be a bit of a misnomer. To me, the solar panels feel, if nothing else, sturdy. However, I will concede that despite their sturdy feel, they are constructed of glass, so there is some fragility. Caution should always be taken when handling them.

If there is any complaint to be had, it's that the LED readout on the MPPT controller doesn't give a good indication of how much charge has been achieved. Also, the manual, while easy to follow, could still be better written. Perhaps they could label the panels with a warning to read the brief instructions first. Finally the housing for included battery is not the best. Mine cracked, but never fear, duct tape is man's best inanimate friend.

Those minor complaints aside, I can only say good things thus far. I have been able to recharge my computer, phones, and even other battery packs with ease.
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68 of 83 people found the following review helpful By Quest786 on October 14, 2011
I am surprised to see so many glowing reviews here for this kit.Agree with other reviewer here who wrote that many of the reviewers seem to be in some way related to the seller and are leaving glowing reviews to increase sales of the product.I got one of these panels from another site at much cheaper price and compared it to Brunton Solaris 26 which I also bought at about the same time and found this 42 W panel to be much inferior in quality and performance.I currently have a Brunton Solaris 26 watt panelBrunton 26 Watt Foldable Solar Array, two sunlinq P3 62 watt Panels(which I can connect with Y cable to get 124 W!)P3-62 Watt Black Foldable Sunlinq Flexible Solar Panel and recently acquired a Goal Zero Guide 10 kit(only 7 watt) for casual/light useGoal0 12301 Nomad 7M Solar Panel.Both Brunton and sunlinq P3 both are Flexible CIGS Panels,while Goal Zero uses MonoCrystalline rigid panels like this Gosolar product.

When compared to these other panels, Gosolar gives the impression of a cheaply made product. Gosolar panels are very heavy and thick for the wattage they provide and blue fabric and stitching are of cheap quality on a casual visual inspection.
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23 of 26 people found the following review helpful By Jane on September 8, 2011
It did an excellent job, totally works great and charged my HP laptop fine from an empty battery. I actually got mine for a whole lot more than the current price listed here on Amazon so this is definitely a bargain. I will definitely buy more of these solar panels in the future and would recommend them to anyone wanting a super powerful solar panel.
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15 of 16 people found the following review helpful By E. Dalton on April 13, 2012
Verified Purchase
This thing is ok I guess. It's mediocre at best. From what I've noticed, in a FULL day in full, direct sun (from 7AM to 8PM), the included 8AH battery will get about 1/3 charged. It's better than any of the other solar chargers I've tried, but nowhere near what I expected for a supposed 42W, $400 charger. I was expecting to be able to charge my laptop but my laptop requires 19V (most laptops do) and this only charges at 12V. this is marketed as a laptop charger, but I don't think there really are any laptops that can charge at 12V.

So basically, what you have is a 12V, 8AH battery that can be fully charged in 3 days with a solar charger...Had this set up been about $50, it would have gotten 5 stars. But this is $400 and marketed as the "most powerful on the market." So check your laptop charger, if it says 19V, this product will not work for you. Not even with the inverter. I thought that since it says it can power just about anything and that it runs at 110V, I'd be able to use that for solar charging my laptop...Nope, still not enough power. What this thing IS good for is charging very small, low voltage things like smaller portable chargers, cell phones, MP3 devices, small cameras, anything that can be powered by USB pretty much, or below 12V if it's not USB (which isn't a whole lot) which really sucks being $400 and all.

And finally, last but not least, after just a few days of using the inverter on a cell phone, it went kaput. Doesn't light on, power on, anything. The inverter also fit very loosely both into the charger as well as whatever you plugged into it.

I really had really high expectations for this thing, so I am very sadly disappointed.
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