DC Adapter Made For Solar Generator - With our included different size of connectors(8mm /5.5 * 2.5mm /3.5 * 1.35mm/5.5mm*2.1mm dc adapter), compatible with most solar generators 

USB Smart Charging Technolog - The build-in smart IC chip intelligently identifies your device, and maximizes its charging speed while protects your devices from over charging and overloading. The charging current of USB ports (5v/2.1A Max) is monitored and automatically adjusted

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, the solar charger looks like a briefcase (15.83 x 16.3 inches) easy for transport and will weigh just about 3.66 pound; When unfolded (15.8 x 61.5 inches), , it can hang on your RV, tent, or just spread out on the beach to gives you instant charge from sunlight.

Use The USB QC 3.0 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.