While interesting, and a good test to get a sense of what's going on "behind the scenes," these numbers didn't create terribly useful real-world numbers for most people. I didn't waste gas to do this, instead I used a Knoter AC to DC Converter which is rated at far more wattage than we were dealing with here. Using a MakerHawk Electronic Load Tester, an Uctronics Electronic USB Load Tester and a JacobsParts USB C PD DC Voltage Trigger Test Module I tested the maximum amperage possible for each of the USB-specified voltage outputs each device was capable of. We performed both synthetic and real-world testing for all the chargers we considered. It's basically the new standard in everything but name. USB-C, the small, rounded-off rectangle, is found on nearly all cell phones (including - now - Apple), tablets, laptops and more. More recently, there've been a growing number of USB-C options. Historically these were two or more USB-A ports, the wide rectangular connection we've had on nearly everything for decades. And having one that can charge multiple devices simultaneously is a huge perk when you're on the go - and possibly a lifesaver. You'll definitely want to invest in a dual-port charger you can plug in to your vehicle's 12-volt adapter (or "cigarette lighter," if you're old school). You can now get some high wattage options for maintaining the charge on your phone or rapidly juicing up another device. That's why it's important to invest in a car charger that can keep your phone going, for everyday tasks as well as road trouble or emergencies.įortunately, car charger tech has improved. Between flipping through Spotify and navigation, it's easy to drain your phone's battery. It's good to have a backup charger with you wherever you go.
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