ALLPOWERS Premium 21W - High-Efficiency Foldable Solar Panel

 Why Choose ALLPOWERS Solar Charger?

This SunPower solar charger delivers exceptional high efficiency conversion rate, capturing significantly more sunlight than conventional solar panels without requiring intense sunlight conditions. The transformation efficiency reaches up to 23%-25%, dramatically outperforming most similar products on the market that achieve only 15% efficiency or lower.

Advanced iSolar Technology

Features exclusive iSolar Technology that automatically adjusts current and voltage to achieve maximum power output, delivering the fastest possible charging speed. This intelligent system optimizes performance in real-time, ensuring your devices receive consistent, rapid charging even under varying sunlight conditions.

Compact and Portable Design

The best-in-class design combines compact portability with practical functionality. The slim profile and included metal hooks allow easy attachment to backpacks during outdoor adventures, making it perfect for hiking, camping, and any outdoor activities where reliable power is essential.

Universal Device Compatibility

Dual USB ports provide wide compatibility with virtually any smart device requiring 5V USB input, including:

• Smartphones (iPhone, Samsung, BlackBerry, and more)
• Tablets and iPads for extended outdoor use
• Gaming devices like PSP for entertainment
• Bluetooth speakers and headphones for audio enjoyment
• Smart accessories including Google Glass and iPods
• Digital cameras and GPS devices for photography and navigation

Professional Performance Features

1. Exclusive iSolar Technology: Automatically optimizes current and voltage for maximum power delivery, achieving up to 2.4A output per port under strong direct sunlight conditions.

2. Superior Efficiency: 21W SunPower solar cells manufactured in the USA deliver 23%-25% conversion efficiency, significantly outperforming standard market panels at 15% efficiency.

3. Dual-USB Power Capability: The 21-watt SunPower system provides sufficient power to simultaneously charge smartphones and tablets, eliminating the need to prioritize device charging.

4. Lightweight and Powerful Design: 1/3 lighter than equivalent power solar silicon panels while delivering 1/3 more total power compared to same-size conventional panels. Strategic eyeholes enable secure backpack attachment during hiking adventures.

5. Complete Package: Includes 21W foldable solar charger, 2 metal hooks, micro USB cable, and comprehensive instruction manual for immediate setup and optimal performance.

Technical Specifications

Power Performance:

• Solar Power Output: 21W SunPower panel technology
• Transformation Efficiency: 23%-25% conversion rate
• USB Output 1: 5V/2.4A maximum (under direct strong sunlight)
• USB Output 2: 5V/2.4A maximum (under direct strong sunlight)

Physical Dimensions:

• Compact Folded Size: 300mm x 160mm x 20mm (11.8" x 6.2" x 0.7")
• Expanded Size: 640mm x 300mm x 10mm (25" x 11.8" x 0.35")
• Weight: 0.60kg ultra-lightweight design

Comprehensive Safety Protection

The solar panel meets rigorous international standards with FCC, RoHS, and CE certifications. Advanced short circuit and surge protection technology ensures complete safety for both users and connected devices during all charging operations.

Professional Warranty Coverage

Every ALLPOWERS purchase includes 18 months comprehensive product warranty, providing complete peace of mind for your investment in premium solar charging technology.

This ALLPOWERS 21W solar charger represents the perfect fusion of cutting-edge SunPower technology, intelligent charging optimization, and rugged portability, making it the ideal companion for outdoor enthusiasts, travellers, and anyone requiring reliable off-grid power solutions.