Anker SOLIX PS400 Bifacial Portable Solar Panel vs EcoFlow NextGen 220W Bifacial Portable Solar Panel
Two of the portable solar panels in our best portable folding solar panels for power stations comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.
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Best for: The lightest 400 W panel here
Check price at AmazonBest for: The best all-round folding panel for mid-size stations
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | Anker SOLIX PS400 Bifacial Portable Solar Panel | EcoFlow NextGen 220W Bifacial Portable Solar Panel | Weight |
|---|---|---|---|
| Rated powerRated (STC) watts. Real output in sun is usually 60–85% of this. | 400 W | 220 W | 30% |
| Watts per kgOur calculation from the maker's rated watts and weight. Higher means more power for what you carry. | 40.3 W/kg | 31.4 W/kg | 30% |
| Cell efficiency (listed)Higher efficiency packs more watts into the same area. Skipped when the maker doesn't publish it. | 25 % | 25 % | 20% |
| IP68 rated (listed)IP68 means dust-tight and protected against immersion as defined by the maker. We mark Yes only when the maker lists IP68. | Yes | Yes | 10% |
| Bifacial (listed)Bifacial panels also collect light reflected onto the back, which helps on sand, snow or concrete. | Yes | Yes | 10% |
| Rated power | 400 W | 220 W (±5 W) front / 175 W rear | info |
| PV output | 48 V, 8.33 A | Not listed | info |
| Efficiency | 25%+ (N-type cells, Anker) | 25.00% | info |
| Weight | 21.9 lb (Anker: 22 lb including the stand) | Approx. 15.4 lb (7.0 kg) | info |
| In the box | 2 × 8.2 ft solar cables, XT-60i cable | Not listed | info |
| Folded | 22.3 × 38.7 × 3.2 in | 24.2 × 23.2 × 1.3 in | info |
| Rating | IP68 | IP68 | info |
| Warranty | 5 years | Not listed | info |
| Cells | Not listed | N-type TOPCon monocrystalline | info |
| Voc / Isc | Not listed | 21.5 V / 12.4 A | info |
| Warranty (US) | Not listed | 12 months | info |
| VoltPick score | 9.6/10 | 7.3/10 | 100% |
Where each one comes out ahead
Anker SOLIX PS400 Bifacial Portable Solar Panel
Better published figure on: Rated power, Watts per kg.
What we like
- 400 W at about 9.9 kg
- Bifacial with IP68
- 5-year warranty
Watch out for
- 48 V PV output: check your station's solar input voltage range
EcoFlow NextGen 220W Bifacial Portable Solar Panel
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
- 25% N-type TOPCon cells
- Bifacial, with a 175 W rear rating
- IP68
Watch out for
- 12-month US warranty is short
Verdict
On published specs, the Anker SOLIX PS400 Bifacial Portable Solar Panel scores higher (9.6 vs 7.3). Specs don't capture sound character or feel, so weigh the pros and cons above too.
- Choose the Anker SOLIX PS400 Bifacial Portable Solar Panel if this sounds like you: the lightest 400 W panel here.
- Choose the EcoFlow NextGen 220W Bifacial Portable Solar Panel if this sounds like you: the best all-round folding panel for mid-size stations.
- Anker SOLIX PS400 Bifacial Portable Solar Panel: Anker SOLIX: PS400 Bifacial
- EcoFlow NextGen 220W Bifacial Portable Solar Panel: EcoFlow: NextGen 220W bifacial specs