GTPOW 40W Foldable Portable Solar Panel
- 40W High-Efficiency N-Type Monocrystalline Solar Panel
- Peak Efficiency Up to 23.5%, with 36V Vmp & 1.2A Imp
- Ultra-Lightweight & Foldable Design, Only 4.21 lbs (1.91kg)
- Built-in Kickstand for Easy Outdoor Setup & Adjustment
- IP68 Waterproof & Dustproof ETFE Surface
- Wide Temp Resistance: -25℃ ~ +65℃
- Reliable Output Even in Low-Light Conditions
- Multiple Connector Options (USB/DC/Type-C/MC4) for Plug-and-Play
- Durable & Scratch-Resistant Laminated Panel, No Fragile Glass
- Airline-Friendly, No Built-in Battery
- Versatile for Camping, RV, Emergency Power & Off-Grid Use
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Featuring an IP68 waterproof & dustproof ETFE surface and a wide operating temperature range of -25℃ to +65℃, it ensures long-term stable performance in harsh outdoor environments. The foldable, lightweight body (only 1.91kg / 4.21 lbs) with a built-in kickstand allows quick setup and angle adjustment for optimal sunlight capture.
With multiple connector options (USB/DC/Type-C/MC4) for plug-and-play charging, it supports flexible power solutions for 12V/24V batteries, portable power stations and other devices. Airline-friendly with no built-in battery, it is an ideal premium power accessory for camping, RV trips, emergency backup and off-grid applications.
Core Product Advantages
- High-Efficiency Power – ≥23.5% N-type monocrystalline silicon, 40W rated power with low power degradation.
- IP68 Rating – Dustproof and waterproof, tough enough for all harsh outdoor scenarios.
- Multi Connectors – USB/DC/Type-C/MC4 ports for simultaneous multi-device charging.
- Foldable & Portable Design – Compact folded size, optimal power output when fully unfolded.
- Lightweight Build – Only 1.91 kg / 4.21 lbs, effortless to carry and install.
- Stable Outdoor Performance – Equipped with adjustable kickstand, perfect for camping, RV and outdoor travels.
- Wide Operating Temperature – Works steadily from -25℃ to +65℃, adapts to diverse climates.
- Certified Safety – Compliant with ISO, CE, TUV and other global authoritative certifications.
- Off-Grid Ready – Pure solar charging, no AC power supply required.
- 1 × 40W Foldable Portable Solar Panel
- 1 × 60 cm Customizable Cable
- 1 × User Manual
- Model: GT-B-40W
- Special Feature: Foldable, Portable, Built-in Kickstand
- Material Type: N-type Monocrystalline Silicon, ETFE Lamination
- Low-light performance: >80% @ 200W/m²
- Application Class: Class II
- Efficiency: >23.5% High-Efficiency Mono Cells
- Bending radius: N/A (Rigid Foldable Design)
- Product Dimensions (Folded): 34.5 x 24.9 x 6.1 cm
- Open-circuit Voltage (Voc): 43V
- Peak Voltage (Vmp): 36V
- Peak Current (Imp): 1.2A
- Short-circuit Current (Isc): 1.3A
- Rated Power (Pmax): 40W
- Weight: 1.91 kg
- Connector Options: USB/DC/Type-C/MC4 (Customizable)
- Cable Length: 60 cm (Customizable)
- Operating Temperature: -25℃ ~ 65℃
- Protection Class: IP68 Water & Dust Resistant
- Certifications: CE, TUV, ISO 9001, CQC, UKCA, UL
Product Specifications
| Item | Parameter | Item | Parameter |
|---|---|---|---|
| Maximum Power | 40 W | Maximum Power Voltage | 36.0 V |
| Peak current (Imp) | 1.2A | Open-circuit voltage (Voc) | 43V |
| Short-circuit current (Isc) | 1.3A | Conversion efficiency | 23.5% |
| Operating Temperature | -25℃ ~ +65℃ | Weight | 1.91 kg |
| Folded Dimensions | 345 x 249 x 61 mm | Connector Type | USB/DC/Type-C/MC4 (Customizable) |
Frequently Asked Questions (FAQs)
This 40W solar panel supports most 5V/12V/24V devices, including smartphones, tablets, portable power stations, RV batteries, cameras, and LED lights. It comes with multiple connectors (USB/DC/Type-C/MC4) for flexible compatibility, and custom interface options are available to match your specific equipment.
Under standard full sunlight (1000W/m²), a full charge for a 10000mAh power bank takes 2 to 3 hours. Actual time varies with sunlight strength, panel angle and weather, and will increase in low or indirect light.
Yes. The panel features an IP68-rated ETFE laminated surface that is dustproof, water-resistant, and scratch-resistant. It can withstand light rain, splashes, and humid environments, making it ideal for camping, hiking, RV trips, and other outdoor activities. Do not submerge it in water for long periods.
This 40W foldable portable solar panel features a wide operating temperature range of -25℃ ~ 65℃. Thanks to low-temperature coefficient technology, it delivers consistent performance under extreme cold and high heat, perfectly adapting to diverse seasonal and climatic conditions.
We recommend using a compatible solar charge controller when charging 12V/24V RV batteries. With a peak voltage of 36V and open-circuit voltage of 43V, the panel is compatible with most common 12V/24V battery systems when paired with a proper controller. The optional MC4 connector supports direct connection to standard solar controllers.
It is designed for maximum portability: Folded dimensions: 345 x 249 x 61 mm, compact enough to fit in most backpacks or travel bags Net weight: only 1.91 kg / 4.21 lbs, lightweight for single-person carrying Built-in kickstand allows for quick, tool-free setup
This panel uses high-efficiency N-type monocrystalline solar cells with a conversion efficiency of ≥23.5%. It also delivers excellent low-light performance, maintaining over 80% output even in cloudy or shaded conditions.
Yes. The 40W foldable portable solar panel has passed multiple international certifications, including CE, TUV, ISO 9001, and CQC. A standard warranty is included; please contact us for detailed warranty terms and regional certification information.




