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About This Item
DESIGN & DETAILS:
Built with tempered glass and a strong aluminum frame
Durable panel withstands heavy-duty use
Waterproof design can survive exposure to all types of elements
Hinged design with a canvas bag for easy carrying
100 total watts in between the two 50-watt panels
Only produces power when exposed to sunlight and connected to a power station or bank
Brand : Goal Zero
Country of Origin : Imported
Web ID: 23GZEUBLDR100BRFCCAC
SKU: 24649079
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Weight
25.9 lbs.
Dimensions (folded)
26.75 x 21.75 x 3.75 in
Dimensions (unfolded)
26.75 x 43.5 x 1.75 in
Cable Length
6 ft.
Rated power
100 Watts
Open Circuit Voltage
21.5 V
REVIEWS
4.6
94%
Recommended
34 Reviews
Images
Douglas B
10 months ago
Well Built - Power Rating Overstated
This panel is well built and the carrying case is a nice touch. Unfortunately the power rating is overstated by at least 25%. Even with the MPPT module, clear day, 75 F, 50 degree sun angle the maximum output is 68 watts. If GoalZero support wants to reach out and let me know how to improve the output, I am open to suggestions. I have the same issue with the 50 watt panel.
JD231
1 year ago
Better For Power Than Nomad 100, But Heavier
Originally purchased this unit for a Yeti 500. Best output I've gotten from it (based on Yeti display) is just over 90W. Today, June 7th, at 4pm US/Central in Dallas TX, on a full sun day (no clouds at all) I am getting 71W. BUT, I also recently purchased a Nomad 100 because the Boulder is so heavy. While the Boulder is providing 71W, the Nomad is providing 38W. As I have checked during different conditions, the Nomad seems pegged at a hair over 50% of the output of the Boulder (panels sitting side by side for the comparison). I will probably keep the Nomad as I got it on sale, and it's still something for camping to charge phone, etc, but it doesn't not match the Boulder briefcase. I'm giving it a "Good" rating as the price is a little high of the output, but the build quality is excellent, and the power output matches the rating.
Noob Camper
Verified Purchase
1 year ago
Amazing!!!
Purchased this to power a new 12v portable fridge. Worked like a champ! Did a trial run and for almost 5-6 hours during my test my Yeti remained at 100% power thanks to the sun and the Boulder. Feels heavier than 25 pounds, but it’s heavy duty for sure. Money well spent.
bhenry8
1 year ago
Watch For Hail!!!
I have been super happy with all of my Goal Zero purchases and was very surprised when I found my Boulder Briefcase shattered after some hail. They have held up to a lot, but not that.
MOH319
Verified Purchase
2 years ago
Built Like A Tank
Like all Gold Zero products the Boulder 100 is built with quality in mind. The downside is you have to be a bodybuilder to carry it.