Can I hook up the solar floodlight to a DC adapter? It takes too long to charge from the solar panel. Jamie Edwards May 02, 2023 04:05 Updated No, we do not advise plugging any third-party cables/jacks into the lighting unit. Doing so will void the warranty. Related articles What is the voltage of this panel? I would like to add a larger panel. Will turning on a hard wired light nearby trigger the solar floodlight? How many hours does the light need to charge from sunlight? How long does the solar charge last? How long is the manufacturer’s warranty? Comments 0 comments Article is closed for comments.