50W 18V Portable Solar Panel. FF Flashfish Foldable Solar Charger with 5V USB 18V DC Output Compatible with Portable Generator. Smartphones. Tablets. and More

• DC Adapter Made For Solar Generator - With our included different sizes of connectors(8mm /5.5 * 2.5mm /3.5 * 1.35mm/5.5mm*2.1mm dc adapter). compatible with most solar generators on the market such as Goal Zero. Suaoki portable generator. Paxcess portable power and all of Flashfish portable generator.
  
  
• USB Smart Charging Technology - The built-in smart IC chip intelligently identifies your device. and maximizes its charging speed while protecting your devices from overcharging and overloading. The charging current of USB ports (5v/2.1A Max) is monitored and automatically adjusted according to the sunlight level. Good for charging smartphones and tablets. GPS. digital cameras. and other 5v USB devices.
  
  
• High Conversion Efficiency - Constructed of high-efficiency solar arrays. convert up to 21.5-23.5% of solar power into free energy.
  
  
• Fold Up As a Briefcase When folded(16.2216.53in). the solar charger looks like a briefcase easy for transport. and will weigh just about 3.66 pounds; When unfolded (33.4616.22in). it can hang on your RV. tent. or just spread out on the beach to gives you instant charge from sunlight.
  
  
• Use The USB And 18V Ports at The Same Time The solar panel will split the incoming solar power between the two ports to charge devices simultaneously.5V USB and 18V DC dual output keep your USB/DC devices full of juice. without having to rely on a wall outlet. or a power bank. and brings you an unplugged lifestyle.

• Charging time is affected by many factors. such as the intensity of the light and the angle of the panel put on the ground. The intensity of the light constantly changes. In addition. the angle of the light illuminating the solar panel also changes with the rotation of the sun.
  
  
• Please try to test your solar panel under full sunlight to see. and make sure there is no shadow cast on the panel.