The Oscal 400W Foldable Solar Panel is a top pick for high-power, portable energy. Made with durable materials, efficient solar cells, and a lightweight design, it’s a large portable solar panel that can keep your camping adventures, RV excursions, or home backup systems running strong.
This 400W solar panel package comes with everything you need, including built-in MC4 connectors, a separate adapter with options for many power stations, and a sleek fold-up design with an integrated storage pocket.
PLEASE NOTE: This product is manufactured by Oscal. It is designed to be compatible with charge controllers and power stations from many brands. The panels are equipped with MC4 connectors and this solar panel comes with adapters for certain 8mm, Anderson, and XT60 connectors. You may need an adapter to use it with your specific power station or other equipment.
This product is carefully selected from our network of trusted suppliers. While not manufactured by The Power Sphere, each item is vetted to meet our quality standards.
- FREE shipping (See Shipping Policy)
- 30-Day return policy (See Return Policy & Refund Policy)
- Multiple payment methods accepted, including credit cards, ShopPay, and Paypal (See Payment Policy)
Why Choose the Oscal 400W Solar Panel?
Massive Power Output: With 400W of power, this panel can charge multiple devices, run small appliances, or keep your RV powered up. It’s perfect for off-grid living, camping trips, and emergency backup.
Portable & Easy to Use: Designed for adventure, this panel folds into a compact, lightweight package, making it easy to carry and store. This large 400W panel weighs just 42.3lbs (19.2kg). Set it up in minutes and start harnessing the sun’s energy.
Built for the Outdoors: Constructed with IP65 waterproof rating, ETFE shielding layer, and a top-grade fabric outer cover. These durable, waterproof materials make this solar panel able to withstand rain, wind, and harsh weather conditions. It’s your reliable companion for all outdoor adventures.
High-Efficiency Performance: Advanced solar cells feature 22.7% efficiency to ensure maximum energy conversion, even in low-light conditions. Get the most out of every ray of sunlight.
Perfect for Outdoor Enthusiasts & Emergency Backup
When adventure or emergency strikes, this 400W panel is up to the task. It can keep multiple devices charged up, generating ~2,000Wh per day in ideal conditions. It’s ready to power large devices like refrigerators and more.
When on the road, it folds down to a slim and packable footprint that you can easily tuck into your camping gear area or RV storage. When at home, it can fit into any tight area and be ready to deploy in seconds to deliver solar power to reduce your energy bill or weather a storm.
There’s no task that this 400W folding solar panel can’t handle.
Included Items
- 1x Oscal 400W Foldable Solar Panel with integrated case and storage pocket
- 1 x MC4 solar cable
- 1 x MC4 adapter cable with various 8mm, Anderson, and XT60 connectors
- 1 x User manual
Technical Specifications
| Product Name | Oscal 400W Foldable Solar Panel |
| Manufacturer Part Number | PW 400 |
| Maximum Power Output (Pmax) | 400W |
| Cell Type | Monocrystalline |
| Efficiency | 0.227 |
| Open Circuit Voltage (Voc) | 47.52V |
| Maximum Operating Voltage (Vmp) | 39.6V |
| Short-Circuit Current (Isc) | 11.11A |
| Maximum Operating Current (Imp) | 10.1A |
| Net Weight | 42.3lbs (19.2kg) |
| Folded Dimensions | 41.3x20.1x2.5in (104.8x53.2x6.3cm) |
| Unfolded Dimensions | 41.3x91.9x1.0in (104.8x233.3x2.5cm) |
| Output Connectors | MC4 (plus adapters) |
| Waterproof Rating | IP65 |
