Can I hook up the solar floodlight to a DC adapter? It takes too long to charge from the solar panel. Calvin Chiu May 29, 2023 08:58 Updated No, we do not advise plugging any third-party cables/jacks into the lighting unit. Doing so will void the warranty. Related articles Can the Motion Activated Solar Floodlight be used outdoors? Comments 0 comments Article is closed for comments.