Then there are other factors like size and weight you’ll want to consider, with newer gallium nitride adapters (GaN) often featuring more compact designs and better power efficiency. Furthermore, in the case of adapters with multiple ports, you’ll check to see how its total wattage is split when connected to multiple devices. Just remember, watts equals volts times amps. And when in doubt, you can look at the fine text on the charger itself, though you might have to do some math. Manufacturers typically list a device’s max charging speeds, while power adapters clearly label their USB types and outputs. First, in order to ensure optimal charging speeds, make sure your charger can supply the proper amount of power. That said there are still some important takeaways. And unfortunately, while I was running this test, Anker came out with a new generation of power adapters that I haven't had the chance to evaluate just yet. Just gathering all this data took the better part of two months. These days, discharging a phone from 100 percent battery to dead can take upwards of 15 hours, so depending on the device, I can only test one power brick per day. Obviously, there are a lot more than just 14 super fast chargers on the market, and sadly I don’t have the time to test them all. Satechi 66W USB-C 3-Port GaN wall charger ($55) Samsung 45W USB-C Fast Charging wall charger ($50)īelkin 60W USB-C PD GaN wall charger ($50)
Satechi 30W USB-C PD GaN wall charger ($30)
TRAVEL SMART CONVERTER ADAPTER FULL
You can see a full list of the chargers we tested below: However, because not every power brick supports multi-device charging, I didn’t include that as a testing metric. Many of these higher wattage adapters also feature multiple ports, so can you top up additional devices at full speed.
Finally, we have chargers that output 100 watts or more, which are good for pretty much anything besides the biggest and most power-hungry gaming laptops. Then we move up to 45 to 65-watt chargers (give or take a watt or two) that can handle things like phones along with a number of thin and light laptops.
There are the 30-watt and under chargers, which are primarily designed for smartphones and other small mobile devices. With so many different chargers of varying power outputs to test, I broke things down into three categories. Additionally, while there are a handful of cables that can handle more than 100 watts of juice, they are somewhat rare or hard to get. One important thing to note is that while the USB Implementers Forum has approved support for USB Power Delivery (USB-PD) charging at up to 240 watts, adapters that actually support that power output don’t exist yet. no additional apps or games running) in order to ensure consistent results. Also, every system was tested while idle (i.e.
This assortment was chosen to cover a wide range of power draws from 20 watts (iPhone 13) all the way up to 140 watts (M1 Max MBP). As for the devices themselves, I selected an Apple iPhone 13, a Samsung Galaxy S22 Ultra, a Nintendo Switch (a launch model from 2017), a 2021 Dell XPS 13 and a 16-inch M1 Max MacBook Pro.
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