ALLPOWERS SP037 400W Foldable Solar Panel, foldable solar panel

ALLPOWERS SP037 400W Foldable Solar Panel - 22% Efficiency

Published on 09/12/2026 at 20:18 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

ALLPOWERS SP037 400W Foldable Solar Panel pairs 22% conversion with 37.4V output and IP67 protection. Pricing lands at $399.00 USD, as of 09/12/2026.

Fotorealistische Studioansicht von Klappbares Solarpanel in neutraler Produktdarstellung — Fotorealistische Studioaufnahme von Klappbares Solarpanel zum Thema ALLPOWERS 400W Faltbares Solarpanel, klare Lichtfuehrung, Illustration mit AI erstellt.

ALLPOWERS SP037 400W Foldable Solar Panel brings 400W peak power, a 22% solar conversion rate, and 37.4V maximum power voltage into one foldable setup. The panel ships with a 2-year warranty and a 30-day money-back period.

Specs And Included Parts

The manufacturer page lists ETFE cell lamination, a polycrystalline cell type, and IP67 waterproofing for the SP037. It also says the box includes a solar cable to XT60 cable, a solar cable to DC 5525 plus DC 8020 cable adaptor, and a user manual.

The same page says the panel can work with R1500, R2500, R3500, R4000, S2000, and S2000 Pro power stations. It also gives a sale price of $399.00 USD and a regular price of $699.00 USD.

Size, Weight, And Use

A separate retail listing names the model as SP037 and lists a weight of 18.5KG 40.79lb. That listing also gives package dimensions of 110 x 61 x 17 cm and 40.94 x 23.62 x 4.72 inches.

The same retail page lists a 22% solar conversion rate, a maximum power voltage of 37.4V, an open circuit voltage of 45.3V, and a current at max power of 10.6A. Those numbers place the panel in the portable solar panel class built for power stations rather than roof mounting.

Direct from the Manufacturer

ALLPOWERS SP037 400W Foldable Solar Panel

The SP037 page lists power, voltage, protection, and included cables in one place.

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Position In The Lineup

For buyers pairing a panel with a portable power station, the SP037 sits in the higher-output portable bracket with a 400W rating and a 22% conversion figure. The included cable set and kickstand setup point to field use with generators, RVs, and campsite charging.

Against smaller foldable panels in the same category, the 400W rating is the main separator. It is the model in the range that is built around higher charging throughput and wider compatibility with larger stations.

Verdict For U.S. Buyers

The SP037 fits readers who want a foldable solar panel with a quoted 400W peak rating, IP67 protection, and included adapter cables. Its 40.79 lb weight and briefcase-style folded size make it a carry-and-deploy panel, not a backpack panel.