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Amphourly

Goal Zero

Goal Zero Boulder 100 Briefcase

2.7Amphourly Score

Ranked #26 of 27 solar panels we track.

A 100W hinged briefcase of two 50W tempered-glass panels with an aluminum frame and an 8mm solar port, designed mainly for charging Goal Zero Yeti power stations.

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Strengths

  • Tempered glass and aluminum frame with corner protection
  • Two 50W panels hinged into a briefcase with a canvas carry bag
  • 8mm output plugs into Goal Zero Yeti solar ports
  • 6 ft cable

Watch out for

  • Heavy for 100W at 25.9 lb
  • Voc of 21.5V is below the minimum solar input voltage of some power stations
  • 8mm output needs an adapter for non-Goal Zero power stations

Score breakdown

How the Goal Zero Boulder 100 Briefcase scores: 2.7/10Methodology

  • Cell efficiency31% weightNot published
  • Watts per pound31% weight3.86 W/lb
  • Weather sealing15% weightNot published
  • Bifacial8% weightNo
  • Built-in kickstand8% weightNo
  • Connector8% weight8mm DC

Full specifications

Goal Zero Boulder 100 Briefcase specifications
BrandGoal Zero
ModelBoulder 100 Briefcase
Rated output (W)100
Panel typeportable-folding
Open-circuit voltage, Voc (V)21.5
Max-power voltage, Vmp (V)17.2
Output connector8mm DC
Weight (lb)25.9
BifacialNo
Built-in kickstandNo

Specs last checked 2026-10-21.

Which power stations does it fit?

Power stations the Goal Zero Boulder 100 Briefcase fits
StationCapacitySolar inputVoltage windowConnectionRecharge with this panelBuy
Goal Zero Yeti 500499.2 Wh200 W12.3–28 VPlugs straight in6.7 hGoal Zero
Jackery Explorer 1000 v21,070 Wh400 W12–60 VPlugs straight in14 hJackery
Jackery Explorer 1000 Plus1,264 Wh800 W12–60 VPlugs straight in17 hJackery
Jackery Explorer 2000 Plus2,042.8 Wh1,400 W11–60 VPlugs straight in27 hAmazon
Jackery Explorer 3000 v23,072 Wh1,000 W12–60 VPlugs straight in41 hAmazon
Jackery Explorer 5000 Plus5,040 Wh4,000 W16–60 VPlugs straight in2.8 daysJackery

A station fits when this panel's 21.5 V open-circuit voltage sits inside the station's published solar window and the plug matches. Recharge time is from empty in full sun, using 75 W (75% of the rating) or the station's input limit, whichever is lower.

How it compares

SpecGoal Zero Boulder 100 BriefcaseBougeRV Yuma 100W CIGS Thin-Film Flexible Solar Panel with Pre-Punched HolesGoal Zero Nomad 400
Score2.74.64.7
Cell efficiency—17%—
Watts per pound3.86 W/lb30.86 W/lb10.93 W/lb
Weather sealing——IP65
BifacialNoNoNo
Built-in kickstandNoNoNo
Connector8mm DCMC4other