Product comparison · Portable Solar Panels
Anker SOLIX PS100 Bifacial vs Goal Zero Boulder 100 Briefcase Portable Solar Panel
The Anker SOLIX PS100 Bifacial scores 4.4 and ranks 27th of 39 in Portable Solar Panels; the Goal Zero Boulder 100 Briefcase Portable Solar Panel scores 4.1 and ranks 33rd of 39 in Portable Solar Panels. The PS100 Bifacial leads on features.
All 13 Anker SOLIX products 
Anker SOLIX PS100 Bifacial
$300 · 27th of 39 in Portable Solar Panels
Buy Now- Features — 8 against 3
All 8 Goal Zero products 
Goal Zero Boulder 100 Briefcase Portable Solar Panel
$400 · 33rd of 39 in Portable Solar Panels
Buy NowAcross everything we scored, Anker SOLIX PS100 Bifacial sits 0.35 ahead — led by features.
Verdict
PS100 Bifacial ahead · +0.35 (4.4 vs 4.1)Pick the Anker SOLIX PS100 Bifacial when
Features matters8vs3
Efficiency matters6vs2
Warranty & support matters6vs3
Pick the Goal Zero Boulder 100 Briefcase Portable Solar Panel when
A criterion we do not score decides itthe Boulder 100 Briefcase Portable Solar Panel leads on none of the ones we do
Scored 17 October 2026 from published specs and owner reviews. We don't buy or test units. How we score
Usability Anker SOLIX PS100 Bifacial and Goal Zero Boulder 100 Briefcase Portable Solar Panel, scored 0 to 10
FeaturesAnker SOLIX PS100 Bifacial: 8 (higher)Goal Zero Boulder 100 Briefcase Portable Solar Panel: 3
Anker SOLIX PS100 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 100 Briefcase Portable Solar Panel
- Glass front, kickstand and carry bag; 8 mm plug, no MC4, IP or diode data
- Build: tempered glass, aluminum frames with corner protection, two panels on one hinge
- Chaining: 8 mm male and female leads; arrays over 150 W need a Goal Zero combiner cable
- Weather: the user guide says Boulder panels are built to withstand the weather
EfficiencyAnker SOLIX PS100 Bifacial: 6 (higher)Goal Zero Boulder 100 Briefcase Portable Solar Panel: 2
Anker SOLIX PS100 Bifacial
- 16.2 percent computed from 1030 x 600 mm, on the 16 to 16.9 percent rung
- Marketed: conversion efficiency of 25 percent and more, against the computed module figure
Goal Zero Boulder 100 Briefcase Portable Solar Panel
- 13.3 percent computed from 26.75 x 43.5 in, on the 12 to 13.9 percent rung
- Size: the page's 70 x 110.4 cm does not match its 26.75 x 43.5 in; the inches score
VerificationAnker SOLIX PS100 Bifacial: 4 (higher)Goal Zero Boulder 100 Briefcase Portable Solar Panel: 2
only the Anker SOLIX PS100 Bifacial: Certificate published; only the Goal Zero Boulder 100 Briefcase Portable Solar Panel: Claimed only.
Anker SOLIX PS100 Bifacial
- third-party TÜV SÜD PPP 58200B certificate Z2 127148 0258 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), AS310, Anker Innovations Limited
Goal Zero Boulder 100 Briefcase Portable Solar Panel
- No directory listing for 32408 or 32406; 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 32408, two Boulder 50 panels (32406); neither is listed
- Maker: built by Shenzhen Topray Solar; none of its TÜV SÜD or Certipedia records names 32408
- Holder: Goal Zero LLC; its only directory records are stations, fridges and cables, no panel
Warranty & SupportAnker SOLIX PS100 Bifacial: 6 (higher)Goal Zero Boulder 100 Briefcase Portable Solar Panel: 3
Anker SOLIX PS100 Bifacial: 5 Years · Goal Zero Boulder 100 Briefcase Portable Solar Panel: 2 Years.
Anker SOLIX PS100 Bifacial
- 60 months in Anker's warranty policy; five years on the product page and datasheet
Goal Zero Boulder 100 Briefcase Portable Solar Panel
- 2 years for Goal Zero solar panels on the warranty page and product page
- Guide: the user guide, an older edition, prints a 12-month warranty
- Scope: workmanship and materials, for the original buyer only, not transferable
Same score
CapacityAnker SOLIX PS100 Bifacial: 1Goal Zero Boulder 100 Briefcase Portable Solar Panel: 1
Anker SOLIX PS100 Bifacial
- 100 W rated at STC, on the 100 to 119 W rung for portable panels
- Electrical: 21.6 V and 4.63 A at maximum power, 25.9 V open circuit and 4.86 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 100 Briefcase Portable Solar Panel
- 100 W rated from two 50 W panels, on the 100 to 119 W rung for portable panels
- Electrical: 21.5 V open circuit and 17.2 V at maximum power; the user guide gives 18 to 22 V
- Port: blue 8 mm solar port, 14 to 21.5 V at up to 7 A, 100 W maximum
LifespanAnker SOLIX PS100 Bifacial: 1Goal Zero Boulder 100 Briefcase Portable Solar Panel: 1
Anker SOLIX PS100 Bifacial
- No power-output warranty published; the 10-year lifespan is a claim, not a guarantee
Goal Zero Boulder 100 Briefcase Portable Solar Panel
- No power-output warranty on the product page, warranty page or user guide
Not scored for either
- Operating RangeAnker SOLIX PS100 Bifacial: not scoredGoal Zero Boulder 100 Briefcase Portable Solar Panel: not scored
- ValueAnker SOLIX PS100 Bifacial: not scoredGoal Zero Boulder 100 Briefcase Portable Solar Panel: not scored
Social score about the Anker SOLIX PS100 Bifacial and the Goal Zero Boulder 100 Briefcase Portable Solar Panel
RedditAnker SOLIX PS100 Bifacial: 3Goal Zero Boulder 100 Briefcase Portable Solar Panel: 4 (higher)
The Anker SOLIX PS100 Bifacial reading covers the whole brand.
Anker SOLIX PS100 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 100 Briefcase Portable Solar Panel
Complaints
- Glass broken in shipping, per one owner
Read the full summary
- Product. r/SolarDIY: an owner whose Boulder 100 Briefcase arrived with one panel's glass broken in shipping reported 40 to 52 W from it and asked how to replace the glass (October 2025)
GoogleAnker SOLIX PS100 Bifacial: 5Goal Zero Boulder 100 Briefcase Portable Solar Panel: 6 (higher)
The Anker SOLIX PS100 Bifacial reading covers the whole brand; the Goal Zero Boulder 100 Briefcase Portable Solar Panel reading covers its product line.
Anker SOLIX PS100 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 100 Briefcase Portable Solar Panel
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 PS100 Bifacial: 5Goal Zero Boulder 100 Briefcase Portable Solar Panel: 6 (higher)
The Anker SOLIX PS100 Bifacial reading covers the whole brand; the Goal Zero Boulder 100 Briefcase Portable Solar Panel reading covers its product line.
Anker SOLIX PS100 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 100 Briefcase Portable Solar Panel
Read the full summary
- Outdoor Adventures Team: a Boulder 200 Briefcase on a Yeti 500X read about 140 W in full sun, put a clear day at 145 to 150 W, and the frame and corner protection were praised (May 2020, 16K views)
- Tie: the gear links are shortened bit.ly links and the video does not say how the panel was obtained
AmazonAnker SOLIX PS100 Bifacial: 6Goal Zero Boulder 100 Briefcase Portable Solar Panel: 8 (higher)
Anker SOLIX PS100 Bifacial
Read the full summary
- Listing: Anker's own Amazon US listing for the PS100 Bifacial (B0GY845VKY), sold by AnkerDirect, 4.4 from 20 ratings (October 2026)
- Split: 76 percent five-star, 6 four, 9 three, 0 two and 9 one-star; a small count that tempers the score (October 2026)
Goal Zero Boulder 100 Briefcase Portable Solar Panel
Read the full summary
- Product.
- Listing: Goal Zero's Amazon US listing for the Boulder 100 Briefcase (B06Y3TC113) reads 4.7 from 397 ratings, with no featured offer and three other sellers from $399.95 (October 2026)
Owner reviewsAnker SOLIX PS100 Bifacial: not scoredGoal Zero Boulder 100 Briefcase Portable Solar Panel: 7
No usable source for the Anker SOLIX PS100 Bifacial.
Anker SOLIX PS100 Bifacial
Nothing recorded.
Goal Zero Boulder 100 Briefcase Portable Solar Panel
Read the full summary
- REI: 41 native reviews of the Boulder 100 Briefcase average 4.6, 32 five-star, 6 four, 1 three, 0 two and 2 one-star, written January 2018 to July 2026 (read October 2026)
- Excluded: REI's page shows 83 reviews; the other 42 are reposted from goalzero.com
- Output: owners report 75 to 95 W in full sun on Yeti stations, while one owner in 2024 saw far below rating in clear sun
- Build: owners praise the rugged frame, carry bag and fold-out stand; one finds it too heavy and bulky to take along
Unless a row says otherwise, both readings are about these exact models.
Anker SOLIX PS100 Bifacial vs Goal Zero Boulder 100 Briefcase Portable Solar Panel: pros and cons
Anker SOLIX PS100 Bifacial
Overall score 4.4Strengths
- Above-typical module efficiency for a folding panel
- Rear face adds output over bright ground
- Top dust and water rating
- Station lead in the box beside the MC4 cables
- Long workmanship warranty
- Light to carry
Drawbacks
- No power-output warranty
- No temperature coefficient published
- Front material not stated
- Stand offers little angle range
- Low output for the price
Goal Zero Boulder 100 Briefcase Portable Solar Panel
Overall score 4.1Strengths
- Glass and aluminum frame stand up to knocks and weather
- Built-in kickstand needs no extra parts
- Folds in half for carrying
- Chains with other Goal Zero solar panels
Drawbacks
- Low output for its size and weight
- Below-typical module efficiency
- No MC4 leadso other stations need an adapter
- No power-output warranty
- User guide prints a shorter warranty than the policy
Anker SOLIX PS100 Bifacial vs Goal Zero Boulder 100 Briefcase Portable Solar Panel: the numbers
Price, scores and rank, then only the specs that differ. Green marks the side with more.
27th of 39 in Portable Panels
33rd of 39 in Portable Panels
- Safety listingsAnker SOLIX MoreCertificate publishedGoal ZeroClaimed only
- WarrantyAnker SOLIX More5 YearsGoal Zero2 Years
- WeightAnker SOLIX6.2 lbGoal Zero25.9 lb
Same on both
- Not listedSystem voltage
- Not listedCapacity
- 100-149 WPanel power
- Not listedAC output
- Not listedCharge current
- Not listedCell type
- Not listedLow-temperature charging
- Not listedMonitoring
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Not sold on either one?
The top-scored and the cheapest other pick from each brand.
More from Anker SOLIX 2 scored in Portable Solar Panels
- Panel power: 400 W or more, not 100-149 W
- Panel power: 200-249 W, not 100-149 W
More from Goal Zero 3 scored in Portable Solar Panels
- Panel power: 200-249 W, not 100-149 W
Anker SOLIX PS100 Bifacial vs Goal Zero Boulder 100 Briefcase Portable Solar Panel: common questions
Is the Anker SOLIX PS100 Bifacial better than the Goal Zero Boulder 100 Briefcase Portable Solar Panel?
On our scores, the Anker SOLIX PS100 Bifacial is ahead, 4.4 against 4.1. The Anker SOLIX PS100 Bifacial leads on features (8 against 3), efficiency (6 against 2), warranty & support (6 against 3) and verification (4 against 2).
Which is cheaper, the Anker SOLIX PS100 Bifacial or the Goal Zero Boulder 100 Briefcase Portable Solar Panel?
The Anker SOLIX PS100 Bifacial, at $300 against $400: $100 less.
Which has more safety listings, the Anker SOLIX PS100 Bifacial or the Goal Zero Boulder 100 Briefcase Portable Solar Panel?
The Anker SOLIX PS100 Bifacial. The Anker SOLIX PS100 Bifacial lists Certificate published; the Goal Zero Boulder 100 Briefcase Portable Solar Panel lists none.
Which has the longer warranty, the Anker SOLIX PS100 Bifacial or the Goal Zero Boulder 100 Briefcase Portable Solar Panel?
The Anker SOLIX PS100 Bifacial: 5 Years, against 2 Years.
What do owners say about the Anker SOLIX PS100 Bifacial and the Goal Zero Boulder 100 Briefcase Portable Solar Panel?
Across 4 independent sources scored for both, the Goal Zero Boulder 100 Briefcase Portable Solar Panel is ahead on Reddit, Google, YouTube and Amazon.
More portable solar panels comparisons
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Scores calculated 17 October 2026 · Products excluded where fewer than two independent sources cover them · · How we score