Goal Zero  Boulder 100 Solar Panel Briefcase

$249.95
Members get an est. $24.99 in rewards

Combining the strength of a rigid panel with the convenience of a folding design, the Goal Zero Boulder 100 solar panel briefcase consists of 2 powerful Boulder 50 solar panels hinged together.

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Members get an estimated $24.99 (10%) back on this item.
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In useIn useStowed away
In use

Features

  • Strong, tempered glass and durable aluminum frame
  • Rugged solar panel is appropriate for temporary or permanent installation
  • Integrated kickstand helps you achieve an ideal angle to the sun for optimal charging
  • Combine the panel with a Goal Zero portable power station (not included) to charge your gear day or night
  • Multiple panels can be chained together to maximize power collection and reduce charging times
  • Includes a protective canvas bag for easy carrying

Imported.

View the Goal Zero Boulder Product LineView all Goal Zero Solar Chargers

Technical Specs

Best Use

Emergency Preparedness

Camping

Solar Cell Output Capacity

100 watts

Power Output to Device

7000mA

Material(s)

Monocrystalline/glass/aluminum

Dimensions

(Unfolded) 40 x 26.75 x 1.75; (folded) 20 x 26.75 x 3.5 inches

Foldable

Yes

Weight

25 lbs. 14.4 oz.

Solar Compatible

Yes

Reviews
81 reviews with an average rating of 4.5 out of 5 stars

Ratings Snapshot

Product Rating

47 out of 52 (90%) reviewers recommend this product

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Average Customer Ratings

Energy Efficiency

Short battery lifeExtended battery life

Most Helpful Favorable Review

5 reviews with an average rating of 4.0 out of 5 stars
REI’s Ad for this item
Ahli
4 years ago
REI’s Photos of this item do not show the electronic cord or connections or use indicators . Specs do not mention length of the cord or how many can be connected together... And perhaps a quick link to the product’s manual would be helpful. No I have to spend about 15 - 30 + minutes trying to find out these important bits of info just to see if it suits my need.
Ahli
Santa Cruz CA
54 people found this review helpful

Most Helpful Critical Review

5 reviews with an average rating of 1.0 out of 5 stars
Too heavy and bulky!
Happyfeet
4 years ago
Does it's job for solar charging, but i never take it due to its excessive size and weight... and it clanks around like a broken car part when you drive due to loose footing bars tucked inside when folded up. Get a monocrystaline flexi panel instead! ( I bought it for overlanding in a jeep)
Happyfeet
San Diego
20 people found this review helpful

Customer Images

JeepJT
Gilbert, AZ
Rated 5.0 out of 5 stars

So far it’s great!

3 years ago

I tried the panels twice so far, at home, to recharge my Goalzero yeti 1000 core. The first time it was March 21st, around 5 PM, in AZ. There were some thin high clouds in the sky and at first I was getting 75-80W. Today (3/22) I charged the same system at 11AM with totally clear sky and was getting 94-95W. 15 mins later it was down to 90. I plan on using this system for my overland/off road, and hunting trips. I haven’t taken it out yet on the trail to test its ruggedness. I do with the bag was fully inclosing, as the handles are actually attached to the panels and they stick out of the bags. That would keep the dust out when I’m traveling on desert roads and I have the panels stored in the bed of the truck.

Age:45–54
Yes , I recommend this product
Helpful?
kfehr
Scottsdale, AZ
Rated 5.0 out of 5 stars

Easy to use and effective

5 years ago

Works great! It's easy to move the panels around when adjusting for the sun angle (the stand drops out to prop up the panel without pulling on it as I am moving the panel). I use these to supplement the energy from my solar panel on my teardrop trailer roof when it is in the shade.

Yes , I recommend this product
Helpful?
ArborPolitica
Wisconsin
Rated 5.0 out of 5 stars

Works Great

4 years ago

I've been using this on a daily basis for 8 months at a latitude of 44N. I use it to power my cell phone, speaker, laptop, lamp, and a few other misc battery devices. The only time I ran into trouble was three week before and after winter solstice. I had to pay attention to weather and cloud cover and make sure I had all my battery devices charged up whenever I could. Running holiday lights didn't help though! Basically, with with only 4 hours of sun that barely cleared the hill, it was hard to get more than 3-5% charge if it was cloudy. Otherwise, I rarely have a problem. Summertime, cloudy or full sun, I'm rarely dipping below 80% on my yeti200 power station (winter saw more frequent dips to 40-60%).

Age:25–34
Yes , I recommend this product

Energy Efficiency

Short battery lifeExtended battery life
Helpful?
SkiLuv
Saint Joseph, MI, United States
Rated 5.0 out of 5 stars

Nuclear Option: The Briefcase

7 years ago

When the sun's nuclear reactor provides enough photons, this briefcase is great! I don't yet have a yeti, so I bought the GuardianPlus charge controller to connect it to two batteries on a camper trailer. Power is personal, for me, it kept the batteries almost full, all the time. Certainly not for a pack, but towing a camper, it's easy to find room. The kick-stands could go higher, but the fact they are built in keeps it easy.

Yes , I recommend this product
Helpful?
JipsyJudy
Marin County CA
Rated 5.0 out of 5 stars

Great Product

5 years ago

I ran a Goal Zero Yeti power station with Goal Zero 100 folding solar panels and an Alpicool C15 camping refrigerator/freezer at 4° centigrade for four days during a power outage, even on days when the smoke was so thick we couldn’t see across San Francisco Bay. The power station would be drained by the fridge about 20% at the end of every night and would recharge fully by early to mid afternoon every day

Yes , I recommend this product
Helpful?
rock_hound
San Francisco, CA
Rated 4.0 out of 5 stars

Useful Car Camping Item

7 years ago

On a 400W YETI that was about 50% drained, it started charging with 80 watts and took 6-8 hours to fully charge it. I would recommend getting the 30 ft extension so that you can place the solar panel where you need it and keep the Yeti/Sherpa in the shade (and you don't have to move the Yeti/Sherpa as much). The only "ding" on this product is that the carrying case does NOT unzip fully. The zipper pretty much only opens one side of the case so two people is needed to insert the solar panel back into the case.

Yes , I recommend this product
Helpful?
Underwater Jon
Sequim
Rated 4.0 out of 5 stars

Charges faster

6 years ago

I had a smaller panel that was recommended for use with my yeti 150. That panel took over 8 hours of direct sunlight to charge the 150. With this panel charged in less than 2 hours. From completely dead.

Yes , I recommend this product
Helpful?
PDX JJ
Portland Oregon
Rated 4.0 out of 5 stars

Good stuff

6 years ago

In low light, the cell produced enough energy to make me believe it would produce full, rated power in good sun. The case provided was of good quality, but could use more. Since the cell folds and stores with the glass (fragile) side to the outside, it is subject to damage due to contact with an external object. For a small cost, I believe some sort of padding on the inside of the case could prevent cracking a solar cell.

Yes , I recommend this product
Helpful?
ctdonath
Atlanta, GA, USA
Rated 5.0 out of 5 stars

So far so good

7 years ago

I'm quite satisfied for what it is (so far, not a lot of use yet). Robust, functional; give it a "qualified excellent". Do keep in mind that "solar" inspires excessive optimism re: weight and power. It's heavy. Max output so far (into a Yeti 400) was 70+ watts. When folded, the cells are on the outside; transport it with care. Unless you have a device that takes the particular plug, you'll need a Yeti, Sherpa, or other power storage/adapter (no USB or other plugs included). It's just a solar panel with a particular plug. That said... It's satisfyingly solid, folds into a suitable size, and the kickstand holds it at a suitable angle. It runs my 15" MacBook Pro on full solar (given suitable conditions). This does require an inverter for 110v standard plug (due to Apple's proprietary power plugs). This works well on the Yeti 400, optimistically charging both Yeti & MBP in good light. This _can_ also work with the Sherpa 50 (which isn't enough to run the MPB by itself) when the S50 is fully charged and there's sufficient light to run the MBP (power being just passed thru) ... though it's rather pushing the limits, subject to high power computing + clouds. It comes with a decent close-fitting bag for storage. I'm happy with it.

Yes , I recommend this product
Helpful?
Squatch Fall tour 2021
Right now...Cottonwood, AZ
Rated 5.0 out of 5 stars

Easy to use

3 years ago

Finally set off on our can life adventure! Found the Boulder briefcase easy to set up and pack away. Seems to charge our Goal Zero generator fairly well. Just have to adjust to the suns angle to get the best charge.

Yes , I recommend this product
Originally posted on Goal Zero
1 - 10 of 81 Reviews

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