Goal Zero Boulder 15 Solar Panel

Lightweight 15-watt solar panel

  • Goal Zero Boulder 15 Solar Panel


  • Goal Zero Boulder 15 Solar Panel


  • Goal Zero Boulder 15 Solar Panel

    Keep devices powered up when you're off the grid


Our take on the Goal Zero Boulder 15 Solar Panel

by Steve Kindig
Goal Zero

Plug into the sun

Goal Zero Boulder 15m

Keep your devices powered up when you're off the grid.

The Boulder 15 solar panel collects up to 15 watts of power from the sun, which you can store in one of Goal Zero's portable battery power packs. (The panel collects energy but it can't store it.)

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Constructed from strong tempered glass, with a lightweight aluminum frame, the Boulder 15 panel can be easily carried or installed. Its weather-resistant design means the panel can be left outside when not in use. Common uses include RV, cabin, camping, trickle charging, or for recharging your power pack to power all your portable devices.

The Boulder 15 is recommended for use with Goal Zero's Sherpa 50 and Yeti 150 recharger battery packs. They store the energy collected by the panel for use whenever you need it.

Who is Goal Zero?

Goal Zero is a Utah-based innovator of portable solar solutions that can power a variety of USB, 12-volt, and AC devices wherever and whenever you need them. Field-proven in some of the most remote places on Earth, Goal Zero products add an eco-friendly measure of convenience, comfort and safety to any outdoor adventure.


  • lightweight 15-watt solar panel, portable or installable
  • rugged, weather-resistant design — optimal operating temp. 0-120° F
  • high-efficiency monocrystalline cell technology
  • unregulated power output is designed for charging batteries, not devices
  • collects power to be stored in a Goal Zero recharger/battery pack: Sherpa 50, Escape 150, or Yeti 150
  • 12V charging port — 9.5-foot cord with 4.7mm plug
  • 4.7mm chain input for linking multiple panels together to provide more power
  • 11-1/4"W x 18"H x 1"D
  • weight: 3.5 lbs.
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • Note: panel cannot store power for charging after dark; storage requires a Goal Zero battery pack (sold separately)

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • Boulder 15 Solar panel with 9.5' output cord
  • User guide
  • Warranty information

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.


Overview: The Boulder 15 solar panel has a 9.5' output cord with Goal Zero's 4.7mm plug. There is also a 4.7mm Chain input so multiple panels can be linked together to provide more power. There are eight openings around the perimeter of the frame (on the back) for hanging the panel.

Boulder 15 Specifications:

  • Rated Wattage: 15 watts
  • Solar Cell Type: mono-crystalline
  • Open Circuit Voltage: 18-20 volts DC
  • Efficiency: 17-18%
  • Cell Area: approximately 1,015 cm² (including the frame, the panel is approximately 11-1/4" x 18")
  • Weight: 3.5 lbs
  • Optimal Operating Temperature Range: 0°-120° F
  • Output: 14-16 volts/1 amp max (15 watts max, not regulated); 4.7mm plug
  • Input: 4.7mm port for chaining multiple panels together
  • Approximate Charging Time: varies with weather conditions
    • Sherpa 50 v2: 4-8 hours
    • Typical Smart Phone/GPS: 2-4 hours
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For a more in-depth review and enhanced detailed information on the Goal Zero Boulder 15 Solar Panel, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_79732101/Goal-Zero-Boulder-15-Solar-Panel.html ).