• The high-quality solar panel can reach up to 21% solar energy conversion rate
• 2 USB output ports, it can easily charge 2 devices at the same time
• Thin and foldable design, easy to carry, suitable for outdoor camping, mountain climbing, hiking, etc.
• IPX7 waterproof rate, which is water-resistant and dust-proof, suitable for outdoor use
• Overcharge protection, high and low temperature resistance, safe to use

Specification:

• Solar panel peak power: 21W
• Size (after folding): 300*195*10mm
• Size (expanded): 590*150mm
• Output port: dual USB
• Single USB output: 5V 2.4A 
• Dual USB output: 5V 4.2A