EF ECOFLOW
EF ECOFLOW 400W Portable Solar Panel
$599.00
Reference price as of 2026-08-23 — check Amazon for the current price and stock.
Best for RV and emergency-preparedness setups that need to recharge a large power station fast and can accommodate its size and weight.
Full spec sheet
| Key specs | |
| Brand | EF ECOFLOW |
| Price | $599.00 |
| Capacity | — |
| Continuous output | 400 W |
| Peak / surge output | — |
| Weight | 35.3 lb |
| Battery chemistry | — |
| Dimensions (L x W x H) | 42.0 x 24.4 x 0.9 in (folded, panel only) |
| Includes solar panel | No |
| Use cases | Van Life, Off-Grid, Home |
| Other verified specs | |
| Cell type | Monocrystalline silicon with ETFE film |
| Conversion efficiency | 22-23% |
| Connector type | MC4 / EcoFlow solar connector |
| Waterproof rating | IP68 |
| Unfolded dimensions | 42.0 x 94.1 x 0.9 in |
| List price | $899.00 (price shown reflects a $300.00 discount, per user-supplied screenshot) |
| Weight with case | Approx. 41.9 lb including protective/kickstand case |
Pros
- $300 off EcoFlow's $899 list price at the current $599
- IP68 fully sealed against rain and dust
- Carry case doubles as an adjustable 40-90 degree kickstand
- Largest single-panel output in this lineup for fast charging of big power stations
Cons
- 35.3 lb panel weight (up to ~42 lb with the case) is a two-person carry for most people
- Large unfolded footprint (about 42 x 94 in) needs open, flat ground
- Most expensive panel in this batch by list price even after the discount
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