For 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.
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 | 500 W |
| Tested output | Not tested (estimated 87%) |
| Efficiency | 25% (up to 25%, as quoted by BLUETTI) |
| Cells | Monocrystalline (N-type) |
| Bifacial | No |
| Electrical | |
| Open-circuit voltage (Voc) | 49.1 V |
| Voltage at max power (Vmp) | 40.9 V |
| Short-circuit current (Isc) | 13.3 A |
| Current at max power (Imp) | 10.2 A |
| Connections | |
| Output connector | MC4 |
| Cables included | 1.5 m MC4-to-XT60 cable |
| USB ports | None |
| Build | |
| Weight | 28.4 lb (12.9 kg) |
| Folded size | 22.4 x 17.5 x 3.3 in (570 x 445 x 85 mm) |
| Unfolded size | 100 x 45.1 x 0.1 in (2541 x 1146.6 x 3 mm) |
| Kickstand | Yes |
| Water resistance | IP67 |
| Warranty | 1 years |
A 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 $299A 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.
Amazon $289.99A low-cost all-in-one kit for keeping a 12 V RV, boat or camper battery topped up. Power-station owners are better served by a panel with published electrical specs.
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