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28W Portable Solar Charger Panel
- High Efficiency: 23.5% conversion rate, N-type monocrystalline cells, great low-light performance
- 24V Output: 1.2A peak current for portable power stations
- Lightweight & Foldable: 1kg, easy to carry outdoors
- IP68 Waterproof: Laminated design for tough outdoor use
- Fully Certified: CE/UL/TUV/ISO/IEC approved
- Customizable: Interface, logo and packaging available
The 28W Portable 24V Solar Charger Panel is a lightweight, foldable solution featuring high-efficiency N-type monocrystalline cells with a 23.5% conversion rate, delivering stable 24V/1.2A peak power output for portable power stations and compatible devices. Designed for outdoor use, it offers IP68-rated durability via its integrated lamination process, an ultra-compact form factor, and reliable low-light performance. It is ideal for camping, hiking, RV trips, and emergency power needs, with full international certifications (CE/UL/TUV/ISO/IEC) and flexible customization options (interface, logo, packaging) available for bulk orders.
Core Product Advantages
- Superior Performance: N-type monocrystalline cells with 23.5% efficiency and great low-light performance. IP68 waterproof & dustproof for long outdoor use.
- Stable 24V Output: 1.2A peak current, ideal for portable power stations and compatible devices.
- Reliable Quality & Full Certifications: Made by an 18-year experienced manufacturer. CE, UL, TUV and ISO/IEC certified for global sales.
- Stable Supply & Cost-Efficiency: Global factories and 5 overseas warehouses guarantee on-time delivery, faster logistics and favorable tariffs.
- Flexible Customization: OEM & ODM available for interfaces, logos and packaging.
- Trusted Reputation: Exported to 60+ countries with high repurchase rate, recognized by top outdoor brands.
The 28W Portable Solar Charger Panel (GT-A-28W / GT-FD28-UL-LM) is a high-efficiency monocrystalline solar panel designed for B2B wholesale and OEM customization. With 28W max power, 24V output, and IP68 waterproof rating, it is ideal for distributors and outdoor gear brands.
Package Includes
- 1 × 21W Portable Solar Panel
- 1 × User Manual
Product & Packaging Specs
- Model: GT-FD28-UL-LM
- Special Feature: Portable & Foldable
- Material Type: N-type Monocrystalline Silicon, ETFE
- Low-light performance: Excellent low-light adaptability
- Application Class: Class II
- Efficiency: 23.5% high conversion rate
- Bending radius: ≥25 cm (static) / ≥9.84 inches (static)
- Product Dimensions: 640 × 800 × 3 mm
- Output: 24V, 1.2A peak current
- Protection Rating: IP68 Waterproof & Dustproof
Product Specifications
| Item | Parameter | Item | Parameter |
|---|---|---|---|
| Model | GT-A-28W | Maximum Power (Pmax) | 28W |
| Peak Voltage (Vmp) | 24V | Peak Current (Imp) | 1.2A |
| Open-circuit Voltage (Voc) | 28.8V | Short-circuit Current (Isc) | 1.4A |
| Conversion Efficiency | 23.5% | Cell Type | N-type Monocrystalline Silicon |
| Dimensions | 640 × 800 × 3 mm | Weight | 1 kg |
Frequently Asked Questions (FAQs)
Our 28W foldable solar panel features N-type monocrystalline cells with 23.5% conversion efficiency, a 24V/1.2A peak output, and IP68 waterproof rating. The panel weighs 1kg with a 640×800×3mm unfolded size, and operates reliably from -25℃ to 65℃.
Yes, full OEM/ODM customization is available. We support custom USB/Type-C interfaces, silk-screened logos, and branded packaging to align with your product line and market positioning.
The panel is certified with CE, UL, TUV, UKCA, and ISO 9001/14001/45001, meeting major safety and quality standards for North America, Europe, and other regions, ensuring smooth customs clearance.
We offer flexible MOQ to support both small test orders and large bulk shipments. Contact our sales team for tiered pricing and MOQ details based on your order volume.
Standard lead time is 7-15 working days for confirmed orders. We support EXW/FOB/CIF terms, with access to 5 overseas warehouses for fast logistics and favorable tariffs in major markets.
Every panel undergoes 100% electrical and waterproof testing before shipment. Our ISO-certified production process ensures consistent quality, with a 25-year performance warranty for long-term reliability.
Yes, the 24V/1.2A output is optimized for mainstream portable power stations. We can also adjust the output specifications to match your target devices for bulk orders.
We provide a 12-month product warranty for manufacturing defects. For bulk orders, we include a small percentage of spare units in shipments and offer dedicated after-sales support to resolve issues quickly.
