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21W Portable Solar Charger Panel
- High Efficiency: 23.5% conversion rate, N-type monocrystalline cells, great low-light performance
- 24V Output: 0.9A peak current for portable power stations
- Lightweight & Foldable: 0.75kg, 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 21W 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/0.9A 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: 0.9A 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 21W Portable Solar Charger Panel (GT-A-21W) is a high-efficiency monocrystalline solar panel designed for B2B wholesale and OEM customization. With 21W 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-FD21-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: 480 × 300 × 3 mm
- Output: 24V, 0.9A peak current
- Protection Rating: IP68 Waterproof & Dustproof
Product Specifications
| Item | Parameter | Item | Parameter |
|---|---|---|---|
| Model | GT-A-21W | Maximum Power (Pmax) | 21W |
| Peak Voltage (Vmp) | 24V | Peak Current (Imp) | 0.9A |
| Open-circuit Voltage (Voc) | 28.8V | Short-circuit Current (Isc) | 1.0A |
| Conversion Efficiency | 23.5% | Cell Type | N-type Monocrystalline Silicon |
| Dimensions | 420 × 300 × 3 mm | Weight | 0.7 kg |
Frequently Asked Questions (FAQs)
It is compatible with smartphones, power banks, Bluetooth speakers, cameras, and other 5V USB-powered devices, with a maximum output of 3.2A.
Yes, it has a built-in voltage regulator to ensure stable 5V output, preventing overcharging or voltage spikes to protect your electronics.
We offer flexible MOQ for trial orders and bulk purchases, with competitive pricing based on order quantity.
Yes, we support USB/Type-C interface, cable length, logo printing, and packaging customization to meet your brand requirements.
It comes with CE, FCC, RoHS certifications, meeting the standards for sales in North America, Europe, and other major markets.
Standard orders take 7-15 days. We maintain stable supply even in peak seasons and prioritize rush orders.
Yes, it features an IP67 waterproof and dustproof rating, designed for use in camping, hiking, and rainy conditions.
We offer a 2-year limited warranty, with reliable after-sales support and low defective rates for bulk orders.
