JOHO 20W Automatic Solar Panel: USB 5V DC output
Available Options

Meet the 20W Automatic Solar Panel—your go-to for squeezing every last drop of sunshine into power. Whether you're juicing up your car, yacht, or whatever floats your boat (literally), this little powerhouse has got you covered. It’s not just about the USB 5V DC output or the 12V system with a 10A controller (though, let’s be honest, those are pretty sweet). It’s the flexible solar cells that bend over backwards to fit wherever you need them, and a waterproof design that laughs in the face of rain, snow, or that one friend who always spills their drink. Eco-friendly? Check. Keeping your batteries happy on the move? Double check.
- 12V with 10A controller
- Flexible solar cells
- Waterproof design
- Automatic charging
- USB 5V DC output
General specs
- Brand: JOHO
- Seller: Joom
- Output: USB 5V DC, 12V
- Controller: 10A
- Power: 20W
- Waterproof: Yes
- Flexibility: Flexible solar cells
- First listed by seller: 5/30/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
This item | Recommendations | |||||
---|---|---|---|---|---|---|
![]() 20W Automatic Solar Panel USB 5V DC output
|
![]() Dual USB Solar Panel 18V/5V output
|
![]() Dual USB Solar Panel 18V/5V output
|
![]() Dual USB Solar Panel 18V/5V output
|
![]() Solar Panel Controller Dual USB ports
|
![]() Solar Panel 12V 30W with Controller 12V 30W solar panel
|
|
Brand | JOHO | The Romantics | Decor Dream | Ideal Power Tool | Fishine | Simplistic Living Home |
Model | ||||||
Color | ||||||
Rating |
|
|
|
|
|
|
Price | $91.63 | $59.39 | $59.39 | $59.39 | $18.81 | $51.36 |
Seller | Joom | Joom | Joom | Joom | Joom | Joom |
Update | August 8, 2025 | August 31, 2025 | August 28, 2025 | August 29, 2025 | August 30, 2025 | September 2, 2025 |
Controller | 10A | 10A, 20A, 30A | 10/20/30A | 10/100A | ||
Waterproof | Yes | Yes | Yes | Yes | ||
Material | Monocrystalline solar cells | Monocrystalline solar cells | Monocrystalline solar cells |
Sara R.
Delhi
June 6, 2025
As someone who enjoys gaming and outdoor hobbies, I needed a portable power solution for my devices during trips. This panel addressed that by providing consistent energy from the sun. The flexible material made it easy to mount on different surfaces, and it performed well even in rainy weather. Overall, it's a solid choice for moderate use, though it might not suit everyone's high powr demands. I'd recommend it for similar needs :)
- Pros: This solqr panel from JOHO is quite efficient at converting sunlight into power, making it reliable for charging various devices. I appreciate its flexible design that allows it to fit into tight spaces, and the waterproof build handles wet conditions well without issues. It's eco-friendly and helps keep batteries charged on the go, which is very useful for outdoor activities.
- Cons: The output power might not be sufficient for lrager energy needs, and the automatic features could be more responsive in low-light situations. It's most likely not the best for heavy-duty applications, and the initial setup required some adjustment to get it working optimally.