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FOSSiBOT SP420 Portable Solar Panel | 420W

Original price was: $999.00.Current price is: $430.00.

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DESCRIPTION
FOSSiBOT SP420 Portable Solar Panel | 420W High-Efficiency Solar Charging

Harness clean, renewable energy anywhere with the FOSSiBOT SP420 Portable Solar Panel (420W). Designed for portability, durability, and high conversion efficiency, this foldable solar panel delivers reliable off-grid power for portable power stations, solar generators, RVs, camping, and emergency backup.

  • Higher Energy Conversion Rate – Covered by monocrystalline silicon solar cells, the solar panel adopts multi-layered cell technology to generate energy from the sunlight and perform better with higher conversion efficiency that up to 23.4% than other conventional panels.
  • Great Portability – An innovative foldable design delivers easy storage and operation
  • Easy Setup & Kickstand Included – The SP420 features 4 kickstands that can be placed firmly on any surface ground. With just a few seconds of setup, you can start soaking energy from the sun for your FOSSiBOT power station.
  • Durable & Splash-Proof – The ETFE-laminated case is durable enough to extend the lifespan of the solar panel. It is IP67 water-resistant that will protect from water splashing (Do not place it under the rain, or to soak in water). The zippers on the pocket can hold the power cords, and cover the power port.
  • MC4 Connector – Works with most third-party devices.

FREE SHIPPING IN THE USA

Description

420W Portable Solar Panels

Endless power for outdoor adventures. FOSSiBOT SP420 not only offers up to 420W solar power, but also compact and foldable for easy transportation.

More Power For Less

With a high-powered PV420 solar panel hooked up, you can juice up your battery with solar energy at a high speed, meeting your power demand while saving your bills in the long run.

Charge Faster With 23.4% Conversion Rate

With up to 23.4% high conversion rate, by 4*SP420 solar panel, F3600’s 3840Wh can be fully recharged in 2 hours 16 minutes with prime sunshine(under ideal conditions).

IP67 Waterproof For Worry-free Trips

SP420 adopts multi-layered ETFE material to ensure better light transmittance, higher efficiency, and longer lifespan. The sunlight generating side is IP67 anti-watersplash and scratch-resistance.

Adjustable Kickstand Support

Quick and easy setup. Unfold the SP420, adjust the angle according to the sun. You are ready to generate solar power.

Connect SP420 in Series to Charge F3600

SP420 is a perfect match for FOSSiBOT F3600. Connect 4*SP420 to reach the maximum power to charge the F3600 solar generator.

Fordable & Portable

The SP420 solar panel is a best companion for camping or RV tours. Anytime you are ready to go on your expedition, fold the panel and store it in your car or van.

Specifications

POWER
Model SP420
Peak Power(Pm) 420W
Lamination ETFE (Ethylene tetrafluoroethylene)
Cell Type MonoCell
Cell Efficiency Up to 23.4%
Voltage at Max Power (Vmp) 32V
Current at Max Power (Imp) 32V
Open Circuit Voltage (VOC) 38.4V
Short Circuit Current (Isc) 15.7A

GENERAL
Connector Standard MC4 Connector
Weight 30.79lbs (13.97kg)
Dimensions (Unfolded)
87.83*40.79inch (2231*1036mm)
Dimensions (Folded)
21.65*40.79inch(550*1036mm)
Operating Temperature -10℃~+65℃
Best Working Temperature +25℃
Folding Number 4
Certifications FCC, CE, ROHS
Warranty 12 Months

 


Bulk Order/Custom Quote

Need to order in bulk or with custom colors and/or your logo imprinted on the product?  Please use the form below:


Foldable Portable Solar Panels – Knowledge Base

What Are Foldable Portable Solar Panels?

Foldable portable solar panels are lightweight, compact solar charging solutions designed for mobility and off-grid power generation. Unlike rigid rooftop panels, foldable solar panels can be easily transported, deployed, and stored, making them ideal for camping, RV travel, emergency backup, job sites, and portable power stations.

They typically use high-efficiency monocrystalline solar cells and feature integrated kickstands or adjustable supports to optimize sun exposure.


Key Benefits of Foldable Portable Solar Panels

Portability & Compact Design

Foldable panels collapse into a slim, carry-friendly form factor, allowing easy transport in vehicles, RV storage compartments, or emergency kits.

Clean, Renewable Energy Anywhere

These panels generate power from sunlight, providing quiet, emission-free energy without fuel, fumes, or ongoing operating costs.

Fast Solar Charging

High-efficiency solar cells deliver rapid charging when paired with compatible portable power stations and solar generators.

Plug-and-Play Convenience

Most foldable solar panels feature standardized connectors and simple setup—no tools or professional installation required.

Off-Grid & Emergency Readiness

Ideal for power outages, remote locations, and disaster preparedness where grid power is unavailable or unreliable.


Common Uses for Foldable Portable Solar Panels

  • Portable power station charging

  • Camping and overlanding

  • RV and van life power systems

  • Home emergency backup

  • Outdoor work sites

  • Off-grid cabins and tiny homes


Foldable Solar Panel Wattage Options

Foldable solar panels are available in multiple wattage ranges to suit different power needs:

  • 100W–200W: Best for phones, laptops, small power stations, and light camping

  • 300W–420W: Ideal for larger power stations, refrigerators, and extended off-grid use

  • Multiple Panel Setups: Can be combined to increase total solar input and charging speed


Compatibility with Portable Power Stations

Foldable portable solar panels are designed to work with many popular portable power stations and solar generators. Compatibility depends on:

  • Input voltage and amperage range

  • Connector type (MC4, Anderson, DC adapters)

  • Maximum supported solar input of the power station

Always verify compatibility before pairing panels with a power station.


Durability & Weather Resistance

Most foldable solar panels are built with rugged materials and feature water-resistant or splash-proof ratings for outdoor use. Reinforced stitching, protective coatings, and durable hinges help withstand travel and repeated setup.


Efficiency & Solar Cell Technology

High-quality foldable panels use monocrystalline solar cells, offering:

  • Higher efficiency rates

  • Better performance in low-light conditions

  • Longer service life compared to polycrystalline panels


How to Maximize Solar Panel Performance

  • Position panels in direct sunlight

  • Adjust angle using built-in kickstands

  • Avoid shading on any part of the panel

  • Keep the panel surface clean

  • Use during peak sun hours when possible


Foldable vs Rigid Solar Panels

Feature Foldable Panels Rigid Panels
Portability High Low
Installation No tools Permanent mounting
Storage Compact Fixed
Best Use Mobile & emergency Permanent installations

Are Foldable Portable Solar Panels Worth It?

Foldable portable solar panels are an excellent solution for users who need flexible, mobile, and reliable solar power. They are especially valuable for emergency preparedness, outdoor recreation, and off-grid power needs without permanent installation.


Frequently Asked Questions (FAQ)

Do foldable solar panels work on cloudy days?
Yes, though output is reduced. Monocrystalline panels perform better in low-light conditions than older technologies.

Can foldable solar panels be used indoors?
They require sunlight and are not effective indoors without direct sun exposure.

Are foldable solar panels waterproof?
Most are water-resistant but should not be submerged or exposed to heavy rain for extended periods.

How long do foldable solar panels last?
With proper care, high-quality panels can last 10+ years with minimal performance degradation.


Summary

Foldable portable solar panels offer a powerful combination of portability, efficiency, and renewable energy, making them an essential component of modern off-grid and backup power systems. Whether paired with a portable power station or used for emergency preparedness, they deliver dependable solar power wherever sunlight is available.

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