Anker SOLIX PS200 Bifacial vs Goal Zero Boulder 200 Briefcase Portable Solar Panel

• EfficiencyAnker SOLIX PS200 Bifacial: 10 (higher)Goal Zero Boulder 200 Briefcase Portable Solar Panel: 4

  Anker SOLIX PS200 Bifacial

  • 18.3 percent computed from 1377 x 792 mm, on the 18 percent or more rung
  • Marketed: conversion efficiency of 25 percent and more, against the computed module figure
  • Size: a Japanese edition of the guide gives 1430 x 792 mm, which would compute 17.7 percent

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  • 14.5 percent computed from 40 x 53.5 in, on the 14 to 14.9 percent rung
  • Size: the page's 101.6 x 140 cm does not match its 40 x 53.5 in; the inches score
• FeaturesAnker SOLIX PS200 Bifacial: 8 (higher)Goal Zero Boulder 200 Briefcase Portable Solar Panel: 3

  Anker SOLIX PS200 Bifacial

  • IP68, bifacial, built-in stand and an XT-60i lead in the box; no front material or diode count
  • Stand: one main tilt near 35 degrees with slight adjustment; Anker's support page gives 35 to 55 degrees
  • Range: rated from −4 to 140 °F (−20 to 60 °C), with a 75 V DC maximum system voltage
  • Diodes: the guide names Schottky bypass diodes but gives no count

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  • Glass front, kickstand and carry bag; HPP plug, no MC4, IP or diode data
  • Build: tempered glass, aluminum frames with corner protection, two panels on one hinge
  • Wiring: junction box with the HPP connector; chaining needs the 4x HPP combiner cable
  • Mounting: the user guide calls it a portable panel not suited to permanent mounting
• VerificationAnker SOLIX PS200 Bifacial: 4 (higher)Goal Zero Boulder 200 Briefcase Portable Solar Panel: 2

  only the Anker SOLIX PS200 Bifacial: Certificate published; only the Goal Zero Boulder 200 Briefcase Portable Solar Panel: Claimed only.

  Anker SOLIX PS200 Bifacial

  • third-party TÜV SÜD PPP 58200B certificate Z2 127148 0347 by model; no UL 61730 listing.
  • Searched: TÜV SÜD Intertek UL Certipedia SGS CEC LabTest
  • Record: TÜV SÜD, PPP 58200B:2022 (Consumer Photovoltaics, design qualification and type approval), AS340, AS320, Anker Innovations Limited

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  • No directory listing for 32409 or 32407; EN 61730 self-declared, no certificate
  • Searched: Intertek UL CEC LabTest TÜV SÜD Certipedia SGS
  • Standard: UL 61730 needed for a listing
  • Claim: Goal Zero EU declaration 2018-034 cites EN 61730-1/-2 for 32406-32409, self-declared
  • Model: the briefcase is 32409, two Boulder 100 panels (32407); neither is listed
  • Maker: built by Shenzhen Topray Solar; none of its TÜV SÜD or Certipedia records names 32409
  • Holder: Goal Zero LLC; its only directory records are stations, fridges and cables, no panel
• Warranty & SupportAnker SOLIX PS200 Bifacial: 6 (higher)Goal Zero Boulder 200 Briefcase Portable Solar Panel: 3

  Anker SOLIX PS200 Bifacial: 5 Years · Goal Zero Boulder 200 Briefcase Portable Solar Panel: 2 Years.

  Anker SOLIX PS200 Bifacial

  • 60 months in Anker's warranty policy; five years on the product page and datasheet

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  • 2 years for Goal Zero solar panels; the user guide prints 24 months
  • Scope: workmanship and materials, for the original buyer only, not transferable

Same score

• CapacityAnker SOLIX PS200 Bifacial: 5Goal Zero Boulder 200 Briefcase Portable Solar Panel: 5

  Anker SOLIX PS200 Bifacial

  • 200 W rated at STC, on the 200 to 219 W rung for portable panels
  • Electrical: 48 V and 4.16 A at maximum power, 57.6 V open circuit and 4.38 A short circuit in the datasheet
  • Rear face: Anker claims up to 10 percent more from the rear; the score reads the front-side rating

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  • 200 W rated from two 100 W panels, on the 200 to 219 W rung for portable panels
  • Electrical: 21.8 V open circuit and 18.1 V at maximum power; the user guide gives 18 to 23 V
  • Port: High Power Port, 14 to 22 V at up to 14 A, 200 W maximum
• LifespanAnker SOLIX PS200 Bifacial: 1Goal Zero Boulder 200 Briefcase Portable Solar Panel: 1

  Anker SOLIX PS200 Bifacial

  • No power-output warranty published; the 10-year lifespan is a claim, not a guarantee

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  • No power-output warranty on the product page, warranty page or user guide

Not scored for either

• Operating RangeAnker SOLIX PS200 Bifacial: —not scoredGoal Zero Boulder 200 Briefcase Portable Solar Panel: —not scored
• ValueAnker SOLIX PS200 Bifacial: —not scoredGoal Zero Boulder 200 Briefcase Portable Solar Panel: —not scored

• RedditAnker SOLIX PS200 Bifacial: 3Goal Zero Boulder 200 Briefcase Portable Solar Panel: 4 (higher)

  The Anker SOLIX PS200 Bifacial reading covers the whole brand; the Goal Zero Boulder 200 Briefcase Portable Solar Panel reading covers its product line.

  Anker SOLIX PS200 Bifacial

  Read the full summary

  • r/anker: an F2600 owner read about 260 W from Anker's 400 W folding panel aimed at a clear sky in eastern Pennsylvania and asked whether it was defective (July 2024)
  • r/SolarDIY: a C1000 owner never saw an Anker 200 W panel and a second-brand 220 W panel pass 120 W combined in direct sun; commenters blamed mismatched wiring (March 2026)
  • r/SolarDIY: in the same thread another owner said his Anker 200 W folding panels were lucky to draw 100 W in full summer sun in Tampa (March 2026)

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  Read the full summary

  • Product-line. r/SolarDIY: an owner whose Boulder 100 Briefcase, the same glass Boulder briefcase build, arrived with one panel's glass broken in shipping reported 40 to 52 W from it (October 2025)
• GoogleAnker SOLIX PS200 Bifacial: 5Goal Zero Boulder 200 Briefcase Portable Solar Panel: 7 (higher)

  The Anker SOLIX PS200 Bifacial reading covers the whole brand.

  Anker SOLIX PS200 Bifacial

  Read the full summary

  • OutdoorGearLab: buys its test units, earns Amazon commission; measured 166 W from the earlier four-fold PS200, 83 percent of rated, ranking it 4th of 12 at a score of 79 (July 2026)
  • Faulted: OutdoorGearLab names short cables and a high price for an average performer (July 2026)
  • How-To Geek: links Amazon with an affiliate tag and does not say how it got the unit; read 97 W from the earlier 625 100 W panel in sun and 55 to 73 W under cloud, scoring it 7 of 10 (December 2022)

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  Liked

  • Stays upright in high wind (OutdoorGearLab)
  • Corner protection and build quality (OutdoorGearLab)
  • Survived a rock strike (Top-Notch Outdoor)

  Complaints

  • Very heavy to carry (OutdoorGearLab)
  • Legs fixed at one angle (OutdoorGearLab)
  • Ordinary charging speed for the price (Top-Notch Outdoor)

  Read the full summary

  • OutdoorGearLab: measured 166 W, 83 percent of rating, from the Boulder 200 Briefcase, scored it 69 and ranked it 7th of 12 portable panels (July 2026)
  • Dislikes: OutdoorGearLab found it very heavy at 43.3 lb measured, its legs fixed at one angle, and an adapter needed for other brands' stations
  • Top-Notch Outdoor: rated the Boulder 200 Briefcase 78 of 100 and its toughest build after it survived a rock strike, but called its charging speed ordinary for the bulk and price (July 2026)
  • Ties: both sites say they buy what they test and earn affiliate commission through their links
• YouTubeAnker SOLIX PS200 Bifacial: 5Goal Zero Boulder 200 Briefcase Portable Solar Panel: 6 (higher)

  The Anker SOLIX PS200 Bifacial reading covers the whole brand.

  Anker SOLIX PS200 Bifacial

  Read the full summary

  • RANDOMFIX: earns Amazon commission on tagged products; ran the earlier 531 200 W panel for three weeks with a C1000 and read 140 W and 178 W in partly sunny Texas conditions (February 2024, about 47,800 views)
  • TravelingWithTheReidhaars: bought his own 400 W folding panels from a dealer and on eBay; called them heavy, bulky and a pain for one person to set up on three kickstands (about June 2026, about 2,800 views)

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  Liked

  • Well-made frame and corner protection (Outdoor Adventures Team)
  • Quick setup (Outdoor Adventures Team)

  Complaints

  • A 40 lb unit to carry (Outdoor Adventures Team)

  Read the full summary

  • Outdoor Adventures Team: on a Yeti 500X it read about 140 W in full sun and put a clear day at 145 to 150 W (May 2020, 16K views)
  • Build: praised the frame and corner protection, and noted it is a 40 lb unit that still sets up quickly
  • Tie: the gear links are shortened bit.ly links and the video does not say how the panel was obtained
• AmazonAnker SOLIX PS200 Bifacial: 5Goal Zero Boulder 200 Briefcase Portable Solar Panel: 7 (higher)

  Anker SOLIX PS200 Bifacial

  Read the full summary

  • Listing: Anker's own Amazon US listing for the PS200 Bifacial (B0GY8LCH74), sold by AnkerDirect, 3.6 from 6 ratings (October 2026)
  • Split: 40 percent five-star, 20 four, 20 three, 0 two and 20 one-star; too few ratings to read much into (October 2026)

  Goal Zero Boulder 200 Briefcase Portable Solar Panel

  Liked

  • Build quality, per Amazon's review summary
  • Durable, per one owner
  • Works out of the box, per Amazon's review summary

  Complaints

  • Heavy at about 40 lb, per several owners
  • Half to two thirds of rated output, per one owner
  • Expensive, per one owner

  Read the full summary

  • Listing: Amazon US listing for the Boulder 200 Briefcase (B0753TW31T), sold by Meltex Supply, reads 4.4 from 211 ratings (October 2026)
  • Split: 69 percent five-star, 16 four, 10 three, 2 two, 3 one-star
  • Owners: Amazon's review summary praises its quality; owners repeatedly call it heavy, and one reports half to two thirds of rated output