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ecoflow
EcoFlow 400W Rigid Solar Panel
8.8/10 Great
EcoFlow 400W Rigid Solar Panel review. 23% efficiency, IP68 waterproof, MC4 connectors. Best for RV roof mounts, cabins, and permanent off-grid installations.
$499
Check Price on EcoFlow $599
Save $100
Last updated: 2026-04-08
Score Breakdown
Power 9.0/10
Portability 6.5/10
Value 8.5/10
Features 8.5/10
Build Quality 9.2/10
Pros & Cons
What We Like
- High 23% conversion efficiency with N-type cells
- 400W output ideal for high-capacity power stations
- IP68 waterproof rating for permanent outdoor mounting
- Durable tempered glass and aluminum frame construction
- MC4 connectors for universal compatibility
Watch Out For
- 35+ lbs makes it impractical for portable use
- Rigid design requires permanent mounting hardware
- Higher price per watt than budget rigid panels
Full Specifications
| Wattage | 400 |
| Panel Type | monocrystalline |
| Efficiency Pct | 23 |
| Weight | 35.3lbs |
| Dimensions | 68.9 x 41.3 x 1 in |
| Connector Type | MC4 |
| IP Rating | IP68 |
| Warranty | 5 years |
| Foldable | false |
| Voc | 49.4 |
| Isc | 10.5 |
| Vmp | 41 |
| Imp | 9.8 |
| Operating Temp | -4 to 149F |
| Cells | N-type monocrystalline |
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