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For example, the Pioneer RP-PC133 outputted an epic 73.7 watts (19.5V, 3.78A) on the USB-C port alone, but it didn’t last long.Īt 64 watts, one below its rated maximum, the RAVPower Pioneer RP-PC133 maintained a skin temperature of just 119 degrees Fahrenheit (48.3 Celsius), which is pleasantly cool compared to most chargers we tested. Where the Aukey chargers we tested could sustain wattages above their advertised maximums, RAVPower units could hit higher peaks, but then would shut themselves down after a few minutes. RAVPower appears to have a different design philosophy than Aukey when it comes to exceeding its rated wattage. #Usb backup charger fullMore importantly, when we hooked the RP-PC133 up to both a laptop and a phone at the same time, it gave the laptop a full 51 watts of juice, which is better than Aukey's slightly-smaller Omnia Mix PA-B3, which gave the same laptop only 38 watts with the phone attached. In our tests (using a load tester), the RAVPower Pioneer RP-PC133, delivered a full 15 watts (3.27V, 4.72A) from its Type-A port while also providing up to 54.9 watts (19.6V, 2.8A) from its USB-C port at the same time. So it can be pretty useful to have a USB-C Laptop Charger like the RAVPower Pioneer RP-PC133, which has a secondary Type-A port. ![]() Though you can buy a USB-C to micro USB adapter, many of us have drawers full of USB-A to micro USB or USB-A to USB-C cables. #Usb backup charger androidWhile most modern-day mobile devices charge over USB-C, there are still many gadgets, including budget Android tablets and Raspberry Pis older than the Pi 4, that utilize micro USB. ![]() This wall wart is just 2.24 x 2.24 x 1.26 inches and 5.3 ounces, which compares very favorably to the RAVPower Pioneer 90W (RP-PC128) that tips the scales at 6.7 ounces with dimensions of 2.5 x 2.5 x 1.2 inches. Perhaps just as important as the Aukey PA-B5's output is its size and weight. When we pulled just 65 watts, the Aukey Omnia PA-B5's temperature hit just 119 degrees Fahrenheit, which is in line with what the coolest 65-watt chargers. However, if it's not pulling close to the maximum - as laptops rarely do - the charger will be quite a bit cooler. When outputting either its maximum wattage or just below its rated wattage, the Aukey Omnia PA-B5 can get pretty hot, returning skin temperatures of 165 degrees Fahrenheit (73.9 Celsius) and 154 degrees (67.8 Celsius) respectively. This super-svelte charger can not only hit its rated 100-watt output capacity but, in our tests, it exceeded that number by more than 10%, delivering 113.7 watts (19.6V / 5.8A), which is more than the USB-PD standard even supports. #Usb backup charger proIf you’re using a 16-inch MacBook Pro or another USB-C laptop that requires more than 65 watts of juice, the Aukey Omnia PA-B5 is your best bet. You can use this port to charge a mobile device or even power a Raspberry Pi, but it will take a certain amount of amperage away from the main port.īest USB-C Laptop Chargers You Can Buy Today
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