20W Foldable Solar Panel – Waterproof USB Portable Charger
20W Foldable Solar Panel – Waterproof USB Portable Charger
20W Foldable Solar Panel – Ultra-Thin, Waterproof & Portable
Power your adventures with this 20W Foldable Solar Panel — a lightweight, ultra-compact charging solution designed for campers, hikers, boaters, and outdoor enthusiasts. With an 18–19.5% solar energy conversion rate and USB 5V output, it keeps your devices charged wherever the sun shines. Made in Mainland China.
Key Features
- High-Efficiency Solar Conversion: Achieves an impressive 18–19.5% conversion rate, maximizing energy output even in direct sunlight for faster, more reliable charging.
- Ultra-Thin & Foldable Design: Unfolds to 440×165×3mm and folds down to just 165×105×20mm — slim enough to slip into a backpack or daypack without adding bulk.
- IP65 Weather Resistance: Rated IP65 for rainproof, splash-proof, and dustproof protection, making it dependable in challenging outdoor conditions (note: junction box is not waterproof).
- Versatile USB Output: 5V USB output is compatible with smartphones, power banks, GPS devices, cameras, and other USB-powered gear — no adapters needed.
- Built to Last: PET construction withstands weather, dust, and everyday impacts, offering long-term reliable operation on the trail, on the water, or on the road.
- Ready-to-Use Kit: Includes 2 hiking buckles for easy attachment to a backpack or tent, so you can charge while you move.
Specifications
| Maximum Power | 20W |
| Solar Conversion Rate | 18–19.5% |
| Output | USB 5V / 1.3A |
| Open Circuit Voltage | 6.5V |
| Short Circuit Current | 1.6A |
| Expanded Size | 440 × 165 × 3 mm |
| Folded Size | 165 × 105 × 20 mm |
| Material | PET |
| Weather Rating | IP65 |
| Color | Black |
What's in the Box?
- 1× 20W Foldable Solar Panel
- 2× Hiking Buckles
- 1× Instruction Manual
Perfect For
Camping, hiking, backpacking, mountaineering, RV trips, boating, emergency preparedness, and any off-grid adventure where a reliable, portable power source makes all the difference.
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Note: Due to different monitor settings and lighting conditions, the actual color may vary slightly from product images. Please allow a 1–2 cm difference in measurements due to manual measuring.
Learn more: National Weather Service heat safety
Frequently Asked Questions
Q: What devices can I charge with this 20W foldable solar panel?
A: The panel outputs USB 5V / 1.3A, making it compatible with most USB-powered devices including smartphones, tablets, portable power banks, GPS units, Bluetooth speakers, and cameras. Simply plug your USB cable directly into the panel's output port and start charging.
Q: Is the solar panel truly waterproof for outdoor use?
A: The panel carries an IP65 rating, which means it is protected against rain, water splashes, and dust — ideal for camping, hiking, and boating. Please note that the junction box is not waterproof, so avoid fully submerging the panel in water.
Q: How do I attach the solar panel to my backpack while hiking?
A: The kit includes 2 hiking buckles that clip onto standard backpack straps or loops, allowing you to mount the panel face-up while you hike and charge your devices on the go without stopping.
Q: What is the folded size — will it fit in my pack?
A: When folded, the panel measures just 165×105×20mm — roughly the size of a thick paperback book — making it easy to slip into most backpacks, daypacks, or travel bags without taking up significant space.