400W Foldable Waterproof Solar Panel, Off‑Grid Solar Charger for RV Camper Van & Home Backup
Price:
USD1-100/pcs
MOQ:
Negotiable
Delivery Time:
general two weeks, more quantity based on exact quantity
Brand:
KUOMAN
Product Description
400W Foldable Waterproof Solar Panel, Off‑Grid Solar Charger for RV Camper Van & Home Backup
Our 300W & 400W foldable solar panel chargers deliver reliable off-grid solar power for home backup, road trips and outdoor adventures. Built-in high-efficiency solar cells (>22% conversion rate) paired with durable ETFE-coated waterproof fabric. Light-weight, fold-and-go portable design with multi-interface output, easily compatible with portable power stations, RV batteries and most outdoor electronics. Custom-logo service is available to meet your branding needs.
Technical Specifications
| Parameter | Value |
|---|---|
| Output Power (@STC) | 300.0 W ±5% |
| Open Voltage (@STC) | 43.52V ±5% |
| Standard Voltage (@STC) | 37.12V ±5% |
| Standard Current (@STC) | 8.539A ±5% |
| Short Circuit (@STC) | 9.223A ±5% |
| Brand Name | KM SOLAR |
| Model Number | KM-YT40W |
| Place of Origin | Guangdong |
| Cell Size | 182mm x 182mm |
| Type | Flexible, Foldable |
| Panel Dimensions | 92.6 × 34.15 × 0.3 cm |
| Panel Efficiency | 23% |
| Weight | 700g |
| Cell Type | Mono Solar Cell |
| Color | Black |
| Application | Outdoor |
| Maximum Power | 40W |
Certifications & Warranty
- Certifications: CE, ROHS, FCC, CA65, REACH, EMC, PSE, UKCA-EMC, UL1703
- Warranty: 1.5 years
- OEM Orders: Acceptable
Application Scenarios
- Camping, hiking, beach trips & outdoor adventures
- RV, campervan & motorhome off-grid power supply
- Home emergency backup power during blackouts
- Off-grid cabin, backyard and remote-site power
- Van-life road travel, overlanding & expedition trips
- Outdoor work, field research and mobile job-site power
- Charging portable power stations, laptops, refrigerators & mobile electronics
Why Choose Us
- Professional foldable solar panel manufacturer with strict quality-control standards
- Dual-power options: 300W & 400W models to cover low-medium and high-power off-grid demands
- Factory-direct pricing, competitive wholesale & bulk-order terms
- Customization support for logo, packaging and product specifications
- Reliable after-sales support & technical guidance for your solar projects
- Products tested for long-term outdoor use, ideal for resellers, campers, RV owners and off-grid enthusiasts
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
KUOMAN INDUSTRY LIMITED
Location
1
Contact Person
Lily