EcoFlow NextGen 220W Bifacial Portable Solar Panel vs BLUETTI SP200L 200W 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 best all-round folding panel for mid-size stations
Check price at AmazonBest for: A 200 W panel with standard MC4 connectors
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | EcoFlow NextGen 220W Bifacial Portable Solar Panel | BLUETTI SP200L 200W Solar Panel | Weight |
|---|---|---|---|
| Rated powerRated (STC) watts. Real output in sun is usually 60–85% of this. | 220 W | 200 W | 30% |
| Watts per kgOur calculation from the maker's rated watts and weight. Higher means more power for what you carry. | 31.4 W/kg | 24.6 W/kg | 30% |
| Cell efficiency (listed)Higher efficiency packs more watts into the same area. Skipped when the maker doesn't publish it. | 25 % | 23.4 % | 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 | No | 10% |
| Bifacial (listed)Bifacial panels also collect light reflected onto the back, which helps on sand, snow or concrete. | Yes | No | 10% |
| Rated power | 220 W (±5 W) front / 175 W rear | 200 W | info |
| Cells | N-type TOPCon monocrystalline | Monocrystalline, ETFE lamination | info |
| Efficiency | 25.00% | Up to 23.4% | info |
| Voc / Isc | 21.5 V / 12.4 A | 24.6 V / 10.8 A | info |
| Weight | Approx. 15.4 lb (7.0 kg) | 17.15 lb / 8.14 kg | info |
| Folded | 24.2 × 23.2 × 1.3 in | 23 × 23.9 × 1.7 in | info |
| Rating | IP68 | IP67 (BLUETTI FAQ) | info |
| Warranty (US) | 12 months | Not listed | info |
| Connector | Not listed | MC4 | info |
| Warranty | Not listed | 12 months | info |
| VoltPick score | 7.3/10 | 3.5/10 | 100% |
Where each one comes out ahead
EcoFlow NextGen 220W Bifacial Portable Solar Panel
Better published figure on: Rated power, Watts per kg, Cell efficiency (listed), IP68 rated (listed), Bifacial (listed).
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
BLUETTI SP200L 200W Solar Panel
No scored spec where it is strictly ahead; its case rests on the strengths below.
What we like
- Standard MC4 works with most stations
- ETFE surface
Watch out for
- Heaviest 200 W panel here
- IP67, not IP68
- 12-month warranty
Verdict
EcoFlow is lighter (7.0 vs 8.14 kg), more efficient, bifacial and IP68; BLUETTI uses standard MC4.
- EcoFlow NextGen 220W Bifacial Portable Solar Panel: EcoFlow: NextGen 220W bifacial specs
- BLUETTI SP200L 200W Solar Panel: BLUETTI: SP200L