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I would totally welcome a certified EE’s opinion on this, personally, for what it’s worth. Erm. Yes! Get ready for heat: If you're running anywhere close to the rated wattage (or above), expect your USB-C laptop charger to feel toasty to the touch. In our tests, after 20 minutes of running at one watt below their rating (ex: 64 watts on a 65-watt charger), temperatures ranged from 119 degrees Fahrenheit (48.3 Celsius) to 154 degrees (67.8 Celsius). That's unpleasant, but not dangerous. You can get a cooler skin temperature by purchasing a higher capacity charger than you need and running it at less than its maximum.

FAQ

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. More 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.

This desktop charger from Nektek has a shorter (1m) extension cable than the Ugreen Nexode desktop charger, and it has some limitations but it does offer great value for money. on Dell internal analysis using publicly available specs in August 2023 comparing maximum effective capacity for PowerStore 1200 and FlashArray //X20. Assumes average 4:1 data reduction for PowerStore, 5:1 for Pure Storage. Actual results vary.The two USB-A ports are handy as most of us still have devices that require a charging cable connection into this old standard. Each can handle 12W charging but that capacity is shared between the two ports so will be lower if both are in use. This is fine if you are charging one phone or two lower-powered devices such as headphones or watch. Mind the second port: Many chargers also come with a second port that's either USB Type-A or USB-C. 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. RAVPower Pioneer 90W (RP-PC128) : In theory, this charger would be a decent one, because it has dual USB-C ports. However, it can’t exceed its 90-watt rated maximum for any length of time and, considering that the most powerful MacBook Pros now use 96-watt chargers, it’s hard to recommend this over the Aukey PA-B5, which is rated for 100 watts and can deliver far more. The OneWorld 65 looks like any international adapter but boasts a built-in 65W PD Charger and can charge up to six devices simultaneously. If you aren't convinced try this with distance in meters, or light years or use weight in pounds or kilograms.

However, do note that one of the USB-C ports will charge at the full 90W and the other at a more sedate 18W (more than fine for a phone, but unlikely to be enough to power a laptop). Accidental Damage-Additional Information: Accidental Damage Service excludes theft, loss, and damage due to fire, flood or other acts of nature, or intentional damage. Customer may be required to return damaged unit to Dell. Limit of 1 qualified incident per contract year. For more information, consumers visit Accidental Damage Service Contract (Consumer) or commercial customers visit Accidental Damage Service Contract (Commercial). Why you can trust Tom's Hardware Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test. If 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. 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. Our experienced technical support staff is available to answer any questions regarding your genuine Dell-branded parts upgrade.

This Satechi’s desktop charger has two USB-C Power Delivery ports and two USB-A ports—especially useful if you’re travelling with more than one power-hungry USB-C device or a mix of USB-C and USB-A. As of 2019, a new and ground-breaking technology stands a chance of revolutionizing the charging industry: GaNFast USB-C chargers. Navitas Semiconductor invented a new way of building the integrated circuits that go into laptop chargers and computer power supplies based on a material called gallium nitride (GaN). Terms Apply. Promotion ends 3 December 2023. Items are subject to availability. Max 5 units per customer. Plus, we don’t even really know the particulars of said negotiation – according to the article, they used load testers set to deliberately overdrive the power supplies. A real-life, laptop-grade PD sink is a subtler construct, designed by dint of obediance to the PD rules to specifically not do this kind of thing. The fact that the RavPower supplies reset themselves under these contrived and extreme conditions is good behavior, no? 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. However, if it's not pulling close to the maximum -- as laptops rarely do -- the charger will be quite a bit cooler. 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.

We found that some chargers, specifically all three RAVPower chargers we tested, could not sustain their highest possible wattages and, after less than 20 minutes, would shut down. We conducted a second series of heat tests with each charger at one watt below its maximum rated wattage (ex: 59 watts on a 60-watt charger) and recorded the temperature there as well. Bring your own USB-C cable: Most USB-C laptop chargers come in wall wart style, with a single chassis and prongs that fold inward for compact storage. However, they usually don’t come with cables, so you’ll need to buy a USB-C to USB-C cable of appropriate length, usually at least six feet, if you don’t already have one. On the downside, there is only one output, which means you can charge only one device at a time and it’ll need to support USB-C. Boasting four USB-C ports and two USB-A, it can supply up to 200W of power (maximum 100W per port as it’s PD 3.0), and therefore could charge three mid-sized laptops, a couple of phones, and your headphones simultaneously. The Nexode 140W features two USB-C ports and a legacy USB-A port, allowing you to simultaneously charge two laptops as well as your phone with a combined output of 140W. With support for PD 3.1 and PPS charging, this charger can deliver fast, optimized charging to just about any device, including tablets, phones, and handheld consoles.Anker PowerPort Atom III (60W) : At 4.6oz, this is the heaviest 60-watt charger and it’s also the largest. It also gets warmer (127 degrees Fahrenheit) than competitors in the same capacity when running at one degree below rated wattage. Having come out in mid-2019, this is one of the older GaN chargers out there, and it shows. There are one 65W USB-C Port, one 30W USB-C port and two 12W USB A ports for simultaneous charging of laptop, tablet, phones and other devices. Four of these five ports are full-size USB-As, rated at 12W. The device’s maximum output with all ports in use is 107W, which means you can’t run them all at full power at once. No one should play Russian roulette with their expensive electronics. And with the amount of fragmentation in the USB-C market, even the best chargers may not work properly with all your devices (especially if they aren't used with a quality, compatible USB-C cable).