This Solar Charger is solar-powered, and allows 19.5% conversion efficiency while providing enough power, especially suitable for dealing with emergencies during a camping trip or power cut. 

• Compact size with 4 folding solar panels for portability
• Constructed by high quality material, eco-friendly, waterproof, durable and sensitive
• Can be used as a power bank to  re-charge cell phones
• Controlled by intelligent IC chip to avoid overload, over-discharge, over-current and short-circuit
• Solar cell conversion efficiency is up to 19.5%, good stability and long service life
• Two strong carabiners help to keep tension where you need it
• Delivers extra long battery life and strong power output even in a cloudy day
• Suitable for hiking, cycling, mountaineering, camping traveling, outdoor survival and emergencies

Specifications:

• Material: Monocrystalline silicon
• Power: 10W (Max)
• Output Voltage: 5V
• Output current: 2A
• Panel Quantity: 4Pcs
• Solar Cell Conversion Efficiency: >19.5%
• Folding Size: 18 * 11.5 cm / 7.1 * 4.5 in
• Unfold Size: 47.5 * 18 cm / 18.7 * 7.1 in