For most of the history of battery-powered devices, you needed a wire to charge them. Want to charge your camera, cell phone, or laptop? You plug it in. What else would you do? But corded charging has a few distinct disadvantages. First off, it used to require you to use multiple chargers for multiple devices. …
In the past few years, there have been a number of desk lamps on the market with built-in USB ports. This is a nice feature, but many of these products are not very well-engineered. They might be good enough for home use, but certainly not for your office. For a more professional look, you’re going …
A few years back, every one of your devices used a different charging technology. It seemed like everything came with a DC charging block and a unique adapter. This could lead to a variety of problems. For example, if you had an older device, the charger might not even be available. Then came the glorious …
In theory, a solar system is simple. You take a couple 12 volt panels and hook them up to a 12-volt battery. In between the two sits a solar charge controller. When the battery needs to be charged, it allows the current to flow into the battery. When it’s full, it disconnects the panels. But …
Car chargers have been around for a long time, since the very first cell phones. If you’ve been around long enough, you might even remember dedicated “car phones”, which were hardwired into your vehicle. But new technology has now brought us the ability to charge wirelessly. What if you don’t want to wear out your …