A low-priced 400 W folding panel, but its listing is too thin and inconsistent to recommend over better-documented panels until CTOLITY publishes full specs.
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
| Output | |
|---|---|
| Rated power | 400 W |
| Tested output | Not tested (estimated 87%) |
| Efficiency | 23.4% (conversion efficiency from the Amazon listing's description, not stated as cell or module; the listing title says 23%) |
| Cells | Monocrystalline |
| Bifacial | No |
| Connections | |
| Output connector | MC4 |
| Build | |
| Kickstand | Yes |
| Water resistance | IP65 |
For owners of large power stations who want 400 W from a single panel set up beside a car or RV. Check that your station’s solar input handles about 48 V first.
Amazon $495.99 Renogy $495.99A cheap way to put 400 W into a large power station from a campsite or driveway, as long as you don’t need to carry it far. Hikers and small-station owners should look at lighter, lower-voltage panels.
Amazon $299 ALLPOWERS $299For owners of large BLUETTI or similar power stations who want maximum watts from one panel at a campsite or during an outage. The short warranty and high voltage rule it out for small stations.
Amazon $798.99 BLUETTI $849Compare the CTOLITY 400W Portable Solar Panel (400W-NEW) with any other portable solar panel →
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