![]() ![]() ![]() Here’s where things start to get interesting because while a number of these chargers have similar power outputs (aside from the Samsung 45-watt brick, of course), the actual results were a bit more varied. ![]() 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) 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). For charging stations with multiple ports, I always selected the port with the highest power output while also not having multiple devices connected.Īs 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. Generally, charging is slower between zero and 20 percent before speeds ramp up until the battery hits 80 percent, at which point things slow down again to protect and preserve the health and longevity of the power cell. If that wasn’t an option, I used certified 100-watt USB-C cables made by Anker, Apple and others.īecause the charging rate for devices varies depending on how much juice you have, I wanted to measure how well each adapter was able to match each gadget’s optimal charging speed. Each adapter was plugged directly into a standard 120-volt outlet (without the use of a power strip or any extension cords), and when possible I used the cable that either came included with the battery charger or one made by the same manufacturer as the device. I drained each device to 10 percent battery, plugged in a power brick and then recorded the amount of charge added every 10 minutes for an hour. The methodology for my experiment is intended to be as straightforward as possible. Best 100-watt and up charger Razer USB-C 130W GaN Charger ![]()
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