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Sam Schild

Colorado
As seen in: The New York Times, Wirecutter, Wiley Online Library, U.S. News 360 Reviews, U.S. News and World Report, Flipboard, Yahoo Sports, The Manual, GearJunkie, Expedition Portal and
Writer & Adventurer.

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Articles

Marbero 200W Portable Review

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By Sam Schild
| OutdoorGearLab Verified
Price:  $187 List Manufacturer: MARBERO By Sam Schild ⋅ Review Editor  ⋅  July 13, 2026 61 OVERALL SCORE RANKED #11 of 12 Power Efficiency - 60% 5.0 Portability - 20% 8.4 Ease of Setup - 20% 6.9 Our Verdict The Marbero 200W Portable is an extremely affordable, lightweight folding 200-watt solar panel. This is the lightest folding solar panel we tested, making it very easy to carry from your trunk to your campsite and back.
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EcoFlow NextGen 220W Review

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By Sam Schild
| OutdoorGearLab Verified
Price:  $649 List Manufacturer: EcoFlow By Sam Schild ⋅ Review Editor  ⋅  July 13, 2026 83 OVERALL SCORE RANKED #3 of 12 Power Efficiency - 60% 9.1 Portability - 20% 8.0 Ease of Setup - 20% 6.3 Our Verdict The EcocFlow NextGen 220W is the most powerful folding solar panel in our testing lineup. This model is basically the flexible, folding version of the panel you'd attach to your house's roof and will produce similar amounts of power.
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Goal Zero Boulder 200 Briefcase Review

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By Sam Schild
| OutdoorGearLab Verified
Price:  $600 List Manufacturer: Goal Zero By Sam Schild ⋅ Review Editor  ⋅  July 13, 2026 69 OVERALL SCORE RANKED #7 of 12 Power Efficiency - 60% 8.0 Portability - 20% 4.0 Ease of Setup - 20% 6.4 Our Verdict The Goal Zero Boulder 200 Briefcase is a hard-sided 200-watt solar panel that folds in half for portability. It's very durable, and the burly kickstand legs keep it upright in high winds. This is a fairly efficient model, too, and it efficiently converts sunlight into electricity.
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