The concluding post in a series; here’s part 1 (covering the Energizer PowerSource Pro Battery Generator) and part 2 (discussing its companion 200W portable solar panel)… Eagle-eyed readers may have ...

I discussed the primary options (serial and parallel) for merging the outputs of multiple solar panels, the respective strengths and shortcomings of the two approaches and, in the parallel-connection ...

In your home, you probably have a handful of gadgets that rely on batteries: remotes, smoke detectors, wireless keyboards. But instead of having to replace those batteries again and again, those ...