I just used two of these briefcase units (2x100w) at Burning Man and they worked great. I put them on top of the trailer and really didn't bother to turn them toward the morning and evening sun. During the day they got to a high of about 150W generated (combined) which was about perfect for the Yeti 1400 battery we also bought, when combined with my plugging in the yeti battery when the trailer's generator was on. I might add a 3rd unit in the future, but for now two was just fine.
While I did bungee them to the roof of the trailer, they are pretty heavy and I wasn't too worried about any issues with wind. That said, given their weight, I really wouldn't want to have a single 200W unit.
More specifically on the 2x100W vs. 1x200W, I'm really glad I bought two 100W briefcase units instead of one 200W unit. The two units fit perfectly on top of each other on the Frontrunner Outfitters shelf in the back of my Jeep wrangler. I just put a towel between the bottom unit and the shelf and then a towel between the first unit and the second unit and then strapped them down with two 48" flat bungee cords. The towels were probably overkill but given the solar panels face outwards (exposed) when the briefcase is closed I wanted to be safer than sorry. Also, the towels helped the units to not slide on the shelf. The size was also perfect in that I had room to the left of the two panels on the shelf to put the battery. Perfect fit. In addition to a single 200w unit being probably too big for my purposes, these units are not light and I wouldn't really want to haul a single 200W unit onto the top of my trailer.
One note on pairing panels: You can't plug one set of panels into another set and then to your battery. I plugged the two sets of panels into one Goal Zero 4x 8mm combiner to Anderson adapter and then ran a single Anderson power line into the trailer.
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Goal Zero Powers Anything, Anywhere
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Product Description
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| Boulder 50 Watt Solar Panel | Boulder 100 Watt Solar Panel | Boulder 100 Watt Solar Panel Briefcase | Boulder 200 Watt Solar Panel Briefcase | |
| Customer Reviews |
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| Price | $149.95 | $199.95 | $299.95 | $499.95 |
| Rated Power | 50 Watts | 100 Watts | 100 Watts | 200 Watts |
| Open Circuit Voltage | 18-20V | 18-22V | 18-22V | 18-22V |
| Weight | 12.4 lbs | 20.1 lbs | 25.9 lbs | 42 lbs |
| Solar Port | 8mm | 8mm | 8mm | High Power Port (HPP) |
| Dimensions | 21.75 x 26.75x 1.75 in | 40 x 26.75 x 1.75 in | Folded: 26.75 x 21.75 x 3.75 in Unfolded: 26.75 x 43.5 x 1.75 in | Folded: 40 x 26.75 x 3.5 in, Unfolded: 40 x 53.5 x 1.75 in |
| Cell Type | Monocrystalline | Monocrystalline | Monocrystalline | Monocrystalline |
| Charge Times | Yeti 150: 6-12 Hours, Yeti 400: 16-32 Hours, Yeti 1000: 40-80 Hours | Yeti 150: 3-6 Hours, Yeti 400: 8-16 Hours, Yeti 1000: 20-40 Hours | Yeti 400: 8-16 Hours, Yeti 1000: 20-40 Hours, Yeti 1400: 28-56 Hours, Yeti 3000: 60-120 Hours | Yeti 400: 4-8 Hours, Yeti 1000: 10-20 Hours, Yeti 1400: 14-28 Hours, Yeti 3000: 30-60 Hours |
| Chainable | ✓ | ✓ | ✓ | ✓ |
From the brand
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We are leaders in portable power
Goal Zero created the portable power station category over 10 years ago, presenting a new way forward in portable energy use at home, on the job, and off-grid. Our products are engineered with precision here in the U.S. Every feature has a purpose, designed with a real-life use case in mind. Power everything from campsites to field work to essential circuits in the home during an outage.
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Compare with similar items
This Item  Goal Zero Boulder 200 Briefcase, 200-Watt Monocrystalline Solar Panel with Kickstand, Portable Solar Panel for Camping and Tailgating, Emergency Solar Power |  |  |  |  | |
| Price | -9% $499.95 List: $549.95 | $149.95 | $699.95 | -10% $104.98 List: $116.98 | $424.95 |
| Delivery | — | — | Get it as soon as Wednesday, May 8 | Get it May 13 - 14 | Get it as soon as Wednesday, May 8 |
| Customer Ratings | |||||
| Light weight | |||||
| Value for money | |||||
| Portability | |||||
| Easy to use | |||||
| Tech Support | |||||
| Sold By | Goal Zero LLC | Goal Zero LLC | Goal Zero LLC | WERCHTAY US | Goal Zero LLC |
| power source | Solar Powered | — | — | — | Battery Powered,Power |
| connector type | Usb | — | Usb | MC4 | Usb |
| material | Canvas | Monocrystalline Silicon | Aluminum,Canvas | Monocrystalline Silicon | Aluminum |
| wattage | 200 watts | — | 100 watts | — | 100 watts |
| weight | 21 kilograms | — | 1000 grams | 13.22 pounds | 12.8 pounds |
Reviews with images
200 Boulder Solar Panels Rock
I received my solar panels 2 days ago and I just set them up to charge my Yeti 1500. I'm a novice to solar panels, but I received great communication from Goal Zero as to which panels best suited my power station and cabling needed. I got the 15 feet extension cord. Recently we had several outages here in California and I ran my 1500 which powered our fridge, router and CPAP machine for almost 2 days. Now that I got the solar panels at least I'll be able to recharge the 1500 and keep our food from spoiling, internet connectivity and my CPAP Machine.Update: These panels will only charge your Yeti Units, and if you have an appliance connected to the Yeti which output exceeds the input you receive via the panels, you'll have to disconnect the appliance and let the panels charge the Yeti. Otherwise, your Yeti will be depleted before the solar panels begin charging it. Also, I gave it a 4 star rating because of the weight of the panels and the Yeti 1500, quite heavy.Second Update: I continued using the panels for a couple of weeks now and unless you get full son light, the panels will not charge the 1500, a partially cloudy day will yield no charging power from the panels and I came to find out from other reviews that a $100 solar charging optimizer is required to be installed on the $1500. Pretty disappointing having to cough up an additional $100 after spending close to $800 On the panels, plus $1,700 for the Yeti 1500X. The panels have worked pretty good on full on sunlight though, but the optimizer should be standard on the Yeti units.
Top reviews from the United States
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Reviewed in the United States on April 12, 2022
Style: Boulder 200 BriefcaseVerified Purchase
Works great in conjunction with the Goal Zero 1000W Power Station
Reviewed in the United States on April 12, 2022
Bought this mainly for emergency use, but also occasional offgrid needs. First test was to hook it up to the power station and run a RecTeq Bullseye wood pellet smoker/grill. Using the two together, was able to get a net positive charge while running the smoker (in other words, it was charging faster than the smoker was drawing power). This was on a mostly sunny/partly cloudy day, with a little bit of shade on the panel. Granted, the power station and solar panel are brand new, but they seem pretty solid and well built. So far it seems like a good investment. My only constructive criticism so far is I wish the cord from the solar panel to the power station was a couple of feet longer - I'm guessing it's about 4-5 feet, an 8 foot cord would be really handy, but it's not a deal breaker.
Reviewed in the United States on April 12, 2022
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Top reviews from other countries
Philip
Great and efficient panel. Not too big either.
Reviewed in the United Kingdom on June 11, 2022Style: Boulder 50Verified Purchase
Philip
Reviewed in the United Kingdom on June 11, 2022
Images in this review
john Hepburn
Battery connection plug
Reviewed in Canada on August 12, 2019Style: Boulder 200 BriefcaseVerified Purchase
H NGUYEN
High quality, turn-key and reliable!
Reviewed in Canada on May 15, 2019Style: Boulder 100 BriefcaseVerified Purchase
mike nicolosi
Got fast very happy
Reviewed in Canada on August 17, 2018Style: Boulder 100Verified Purchase
