400wh Generator MC4 Female/Male Solar Panel DC Charge Adapter
Step 1: Select one solar panel for your generator, make sure your panel’s voltage and watt is not too big nor too small
Step 2: check if the PV panel has MC4 connectors, if not, please buy one pair and install them. Check Youtube how to install MC4 connectors for PV panel and the MC4 connector ASIN: B01LX1G4OI
Step 3: connect the MC4 with panel and the adapter (cable)
Step 4: connect the DC plug-in to the generator
Step 5: put the solar panel under the sunlight and turn on the generator in shade.