
Oscal | Portable Solar Panel PM400
Portable Solar Panel PM400 – 400W High-Efficiency Foldable Solar Power for Off-Grid Use
Unlock off-grid energy freedom with the Portable Solar Panel PM400, a high-output, rugged 400W solar panel engineered for portability, efficiency, and all-weather performance. Whether you're camping, RVing, or preparing for emergencies, the PM400 delivers fast, clean energy anywhere the sun shines.
Optimized for compatibility with Oscal PowerMax series and other leading portable power stations, this foldable solar panel features monocrystalline cells with up to 23% conversion efficiency, ensuring maximum power generation in any environment.
Key Features of the Portable Solar Panel PM400
Massive 400W Output
Provides rapid solar charging for high-capacity power stations—ideal for long-term off-grid use or high-demand devices.
Up to 23% Solar Conversion Efficiency
Premium monocrystalline solar cells ensure top-tier performance—even in partial sunlight or cloudy conditions.
Foldable, Lightweight & Portable
Compact foldable design with built-in carry handles makes the PM400 easy to transport, store, and set up on the go.
IP67 Weather-Resistant Durability
ETFE coating protects against water, dust, and scratches—engineered for tough outdoor conditions year-round.
Adjustable Kickstands
Set the angle to maximize solar capture throughout the day—boosting performance without manual repositioning.
Wide Device Compatibility
Comes with versatile connectors like XT60, Anderson, and others—compatible with Oscal PowerMax and other major brands.
Eco-Friendly Energy Anywhere
Reduce your carbon footprint with clean, renewable power—no noise, fuel, or fumes required.
Plug-and-Play Simplicity
No setup tools needed. Just unfold, connect, and start powering your devices instantly.


Specification
Model | PM400 |
Maximum Power (Ppm) | 400W ± 5% |
Maximum Power Current (Im) | 10.1A ± 5% |
Maximum Power Voltage (Vm) | 39.6V ± 5% |
Open Circuit Voltage | 47.52V ± 5% |
Short Circuit Current | 11.11A ± 5% |
Transformation Efficiency | ≥22.7% |
Cell Type | Monocrystalline Silicon |
Cell Lamination | ETFE |
Operating Temperature | -10°C to 65°C |
Item Weight | 37.5 lbs ± 2.2 lbs (17kg ± 1kg) |
Unfolded Dimensions | 41.3" × 91.9" × 1.0" |
Folded Dimensions | 20.9" × 39.4" × 2.5" |
Are Solar Guys Pro Authorized Retailers?
Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!
When Will My Order Ship?
Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
Do We Accept Returns?
Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE
Are Products Brand New?
Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.

Orders over $500 include a FREE (Normally $149.99) 80-Page DIY Solar eBook — added automatically at checkout.
Frequently Asked Questions

Get your 30% Tax Solar Credit!
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At Solar Guys Pro, our commitment is to you. Please be reminded that our expertise does not extend to tax advice. Nonetheless, our dedicated staff is eager to guide you through the process and ensure you capitalize on this exceptional offer.
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