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[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup
![[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup](http://kolinktrading.com/cdn/shop/files/Haba90478079345fb8ec453695d87699c9.webp?v=1792297384&width=3840)
![[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup](http://kolinktrading.com/cdn/shop/files/H508e032088e74f788505dad620278defD.webp?v=1792297384&width=3840)
![[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup](http://kolinktrading.com/cdn/shop/files/Hda9ebf890156434f9d6575924ef6fc5eC.webp?v=1792297384&width=3840)
![[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup](http://kolinktrading.com/cdn/shop/files/H52c36106736f49b1a953c5165f76949dp.webp?v=1792297384&width=3840)
![[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup](http://kolinktrading.com/cdn/shop/files/H9a44bd7f8b794b8ab7868c62683cab2fb.webp?v=1792297384&width=3840)
![[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup](http://kolinktrading.com/cdn/shop/files/H82e24c6e357e41d7bdc7176909e098fbt.webp?v=1792297384&width=3840)
[B2B Sample Order] Portable Foldable Solar Panel Charger (10W-400W) Dual USB | Custom Logo & Free Mockup
B2B Sample Order Policy & Customization Process
- B2B Sample Order Purpose: This listing is dedicated to B2B sample orders, allowing business clients, commercial distributors, and outdoor gear brands to evaluate product performance, solar conversion efficiency, waterproof fabric durability, and build quality prior to placing bulk wholesale orders.
- Custom Logo & OEM/ODM Support: Full customization supported. Send us your brand logo, vector artwork (AI, PDF, SVG, EPS), or specifications for custom silk-screen printing, rubber badges, custom color stitching, and bespoke packaging.
- Free Digital Mockup Confirmation: We provide complimentary visual rendering and digital mockups for your review and approval prior to production scheduling.
- Sample Fee Refundable: Sample fees paid can be fully credited and deducted against your subsequent mass production / bulk order.
• Email: info@kolinktrading.com
• WhatsApp: +86 15067563835
Product Highlights & Technical Features
- High-Efficiency Monocrystalline Cells: Powered by Grade-A monocrystalline silicon solar cells with energy conversion efficiency >21%, providing fast, dependable charging under varied sunlight conditions.
- Dual USB Smart Fast Charging: Built-in intelligent voltage regulator chip provides stable 5V / 2.3A Max output across dual USB ports, safely charging smartphones, power banks, tablets, cameras, and GPS devices.
- Ultra-Compact & Lightweight Portability: Sleek briefcase-style folding design with durable hanging loops, easily attaching to backpacks, tents, or bicycles for hands-free charging on the move.
- Heavy-Duty Weatherproof 600D Fabric: Encapsulated with a durable PET protective layer and water-resistant 600D PVC backing fabric, built for rugged outdoor hiking, backpacking, camping, and emergency survival kits.
- Comprehensive Power Customization: Available across a wide spectrum of power ratings from 10W up to 400W to accommodate diverse commercial and outdoor OEM requirements.
Product Specifications
| Brand Name | KOLINK |
| Model Number | RG-MC21W Series |
| Solar Cell Type | Monocrystalline Silicon (Grade A) |
| Available Power Ratings | 10W, 14W, 21W, 28W, 40W, 60W, 100W, 200W, 300W, 400W |
| Conversion Efficiency | >21% High Efficiency |
| Folded Dimensions | Approx. 27.5 x 19 x 3 cm (21W model) |
| Unfolded Dimensions | Approx. 75.5 x 17.5 x 0.3 cm (21W model) |
| Weight | Approx. 0.64 kg (21W model) |
| Fabric & Shell Material | PET Surface + 600D Waterproof PVC Fabric (Black) |
| Output Interface | Dual USB Ports (5V / 2.3A Max) |
| Certifications | CE, RoHS, FCC Certified |
| Application | Outdoor Camping, Hiking, Trekking, Emergency Backup, Mobile Device Charging |
| OEM / ODM Customization | Custom Logo, Custom Power Specs, Bespoke Fabric Colors, Retail Packaging |
Detailed Images
Application / Product Usage
Production Line & Quality Control
Company Profile
Shenzhen Kolink Technology Co., Ltd is specialized in designing, manufacturing and selling various Power Banks, Portable Power Stations, Home Battery Storage, Solar Panels, and related electronics and battery products. Founded in 2014 and located in Longhua, Shenzhen, China, our manufacturing facility is ISO 9001 & SGS verified with an operating area of approximately 2,500 square meters.
We possess extensive experience delivering professional OEM & ODM "one-stop" services to global B2B clients. Strict quality control protocols—including Incoming Material Inspection, Cell Sorting, Spot-welding, Soldering, BMS Connection, Assembly, Aging Testing, and Thorough Outgoing Inspection—are conducted for every manufacturing batch. Products are fully certified by CE, FCC, RoHS, ETL, PSE, and corresponding international regulatory bodies.
With a daily production capacity of 2,000 pieces and standard delivery lead times of 3–7 business days depending on customization requirements, OEM & ODM inquiries are warmly welcomed. We look forward to establishing long-term, mutually beneficial partnerships worldwide.
Product Certifications & Quality Compliance
Custom Proofing Workflow & Return Policy
- Proofing & Production Confirmation: Patterns, branding, and logos are deeply customizable. Please provide vector files or clear drawings. We will produce and send digital mockups for confirmation; production begins only after your written approval.
- Non-Quality Issue Return Policy: Due to the customized nature of B2B sample orders and brand personalization, returns and refunds are strictly not accepted unless there is a verifiable material defect or manufacturing quality issue.
Official B2B Direct Inquiries & Customer Support
For bulk volume discounts, custom brand packaging options, or specific project requirements, contact our B2B commercial team directly:
• WhatsApp: +86 15067563835
• Business Hours: Monday – Saturday, 9:00 AM – 6:00 PM (UTC+8)