Types Of Usb Cables
But it isn’t the looks that determine the quality of a charger, so let’s talk about some of the more important aspects of this device. All in all, the mini USB wall charger from RAVPower is a great pick for both your travel and everyday needs, mostly thanks to the rigid construction and reliable safety features. Speaking of which, the appliance features a 3-way protection system that prevents any possible voltage or amperage discharges. Each USB port provides up to 2.4 Amps, which is quite impressive for such a small device. As for the specifications of the charger, the 30W may not seem that much at first. But this level of output will be more than enough to replenish the charge of 3 modern gadgets without breaking much of a sweat and, most importantly, without overheating. While it is not essential to having a well-designed, properly functioning charger, it will go a long way toward putting your mind at ease.
But they all work fine, and any of them is a decent buy if you find a great sale or it’s easier to pick up one of these over the ZMI PowerCruise C2. Like every dual-port charger we tested, the PowerCruise C2 properly allowed 12-watt power draw from both ports. An iPhone 12 should reach 44% from empty in half an hour and about 77% in an hour. Unlike some chargers, the Nekteck PD 45W Type-C Car Charger doesn’t have illuminated USB ports, which would make plugging in cables in a dark car a little easier. Since many compact laptops charge at 30 W or 45 W, you can even use this Nekteck charger to quickly fill them up on the go. In our tests, its USB-C port charged the 11- and 12.9-inch iPad Pro tablets—both of which are capable of laptop-like 45 W charging—at their fastest rates, something no other car charger we tested could do.
We’ve rounded up a bunch of single- and multiple-port USB chargers that offer fast charging for your phone . USB chargers connect to the cable via a Type A USB socket. Geared to the device, the cable has a smaller plug at the other end . When it comes to wired charging, 20 W chargers aren’t any faster than 18 W chargers for iPhones. But if you’re using a MagSafe charger in the car, you need 20 W, as found in the PowerVolt PD40, to take advantage of full-speed wireless charging. Even if your car’s USB port does offer higher-speed charging, most cars have only one port. All of our picks let you charge two or more devices on a single accessory outlet—something your family and friends will appreciate.
As the load increases, the charger is supposed to keep a constant voltage and increase the current (i.e. horizontal line), until it reaches the maximum power . The charger in the upper-left is the cube-shapedApple iPhone charger. Next is an oblongSamsung adapterand a cube Samsung adapter. The Apple iPad power adapter is substantially larger than the iPhone charger but provides twice the power. The HP TouchPad power charger has an unusual cylindrical shape. Next is a counterfeit iPhone charger, which appears identical to the real thing but only costs a couple dollars. In the upper right, the Monoprice iPhone charger has a 30-pin dock connector, not USB. The colorful orange charger is a counterfeit of the Apple UK iPhone charger.
Several factors determine how quickly a device will charge. Ensure that your USB wall charger delivers enough amps to charge at the fastest rate possible. iPhones and iPads® need 1 amp and 2.4 amps respectively, while Android phones use up to 1.6 amps. If you charge multiple devices through a single charger, add the amps for each device, then pick USB adapters that offer over and above that total. For example, if you charge two Android devices, any charger rated above 3.2 amps will provide the fastest charging times possible. Consider a charger that gives you flexibility of use, as well. For example, portable AC power cords for laptops are fitting for frequent travelers, such as students or busy employees.
If you have ever discovered that your electronic device loses its charge over a short time, then you are most likely using a charger that provides insufficient power to that device. Just about every piece of mobile tech these days requires a USB wall charger, so having an extra one around is always a great idea, especially since Apple and Samsung don’t include one with their newest smartphones. Our picks are much more powerful, affordable, and likely faster at recharging all your devices than the charging brick that you’re currently using. Most of the phones we buy usually come with an AC charger that can be plugged into a wall socket. Some of them can also be plugged into the USB ports of your laptop or desktop in case there is no wall socket around. These kinds of devices are usually lightweight and inexpensive and are available for almost all high-end to low-end phones. Due to their pocket-friendliness, you can buy a few and keep them as spares in several places so that you don’t have to always carry one with you. For the lead battery, I have a battery charge controller, that keeps the voltage for charging at the right current with build in protections.
You might find micro-USB ports on certain accessories like Bluetooth speakers, wireless earphones, smartwatch charging stands, and more as well. While PCs can have two kinds of USB port — standard downstream or charging downstream — OEMs haven’t always labeled them as such. As a result, you might have a device that charges from one port on your laptop, but not from the other. This is a trait of older computers, as there doesn’t seem to be a reason why standard downstream ports would be used when high-amperage charging ports are available. Most vendors now put a small lightning icon above the proper charging port on laptops, and in some cases, those ports can even stay on when the lid is closed. You may have to check your motherboard or system documentation to determine which USB ports provide the full capabilities you want. A system might only support charging, video playback, or ethernet over a single USB-C port, even if it has 2-3 USB-C ports in total. Many new phones offer some kind of quick-charge capability — often with variable names, the most common being Qualcomm’s Quick Charge that works with Snapdragon-powered phones.
Not only is the Atom PD 4 small and lightweight enough to pack away in your bag, but you can also remove the wall cable to make it even more compact. Anker ensures that this charger is compatible with all kinds of devices and will evenly distribute the necessary power based on the devices that are plugged in. Plus, Anker offers an 18-month warranty if something goes awry with your charger. When you think of portable chargers, Amazon Basics is likely not the first brand that comes to mind, but their affordable electronic accessories are quickly becoming industry standards. The company has released a 60W charging station with one fast-charging USB-C port and four smart USB-A ports, allowing for a quick charge on any device that you can throw at it. While we haven’t personally heard of any damage from using a USB-C charger other than the one that came with your laptop, there’s always a slim risk when plugging a laptop into an unknown power source. In short, it’s a good idea to buy cables and chargers from reputable sources and think twice about using that cable you found laying on the ground in a conference room. You have probably already used USB connections to charge smaller devices either from your computer or from an outlet. That works well because past USB connections had enough wattage to successfully power up those smaller batteries.
It’s only sold in a two-pack, though, and while it may be cheaper per unit, we don’t think you should spend the money on chargers you don’t need. Both chargers also provide full power to MagSafe wireless charging accessories, including the MagSafe Charger and MagSafe Duo Charger. I’ve been reviewing mobile accessories since 2011 and covering them for Wirecutter since 2015. I’m also the author of Wirecutter’s guides to Qi wireless chargers and car chargers, for which I’ve seen and tested pretty much every available charging variation. RAVPower’s 30W Dual Port Compact PD Charger (RP-PC132) is more powerful than the smaller Anker PowerPort III Nano and Aukey PA-Y18. Its USB-C port can charge at up to 18 watts, and it has a second port—in the form of the classic USB-A—that allows you to charge a second device at the same time at up to 12 watts.
It’s black, slightly textured, and has the AmazonBasics logo on top. There’s a long power cord supplied and a power switch on the side. Small yet mighty, it keeps your devices charged on the go or at home and comes with a long charging cord. If you don’t fancy the black option, it’s available in navy blue or white, too — and its solidly-positive reviews make this well worth the money. For example, I almost always charge my ASUS Chromebook C302 with my Pixel 2 XL’s charger when I’m at home, and I’ve used my C302’s charger on my Pixel multiple times when I’m out. I leave the C302 charger in my bag all the time and the stock Pixel charger plugged up, so it works out well. This is why you can use a Quick Charger on older smartphones that don’t support Quick Charging technology—both the charger and the battery have the necessary safeguards in place to keep anything bad from happening. The phone will just charge at the normal speed its designed for. With its smaller connector head and symmetrical, reversible orientation, it fits easily into phones, tablets, laptops and more.
This USB car charger by Anker delivers 24 W of fast-charging speeds while on the move. Its premium exterior shell is crafted from aluminum alloy and features a scratch-resistant design. Inside this robust shell is the incorporation of gold-plated circuitry to reduce heat and maintain optimal charge speeds for prolonged periods. This fast-charging car charger boasts a multi-protect safety feature to keep you and your device safe. The charger is suitable for both Apple and Android devices and is available in supported phones and is available black, red, and silver. A dedicated charging port applies to power sources like wall chargers that do not enumerate, so charging occurs with no digital communication at all.
USB 1.0 is old enough that you’ll virtually never see it, so USB2 – USB 3.2 covers the spectrum for most people. Separately from that, there’s USB-C, which is a physical connection standard that devices can use. In almost every case, your PC is the host, and your smartphone, tablet, or camera is the device. Power always flows from the host to the device, although data can flow in both directions, such as when you copy files back and forth between your computer and your phone. The descriptions below apply to all versions of USB currently in-use, including USB 3.0, 3.1, 3.2, and their various substandards (1×2, 2×2, etc). Wattage Find out the wattage needed for the device you own before purchasing a charger. While most USB-C chargers will be able to accommodate smartphones and tablets, those looking to charge compatible USB-C laptops will need to ensure that their charger has enough juice for the job.
With both ports in use the Aukey can output a maximum 32W. That USB-C port can output up to 20W, which won’t be enough for some of the crazy-spec flagships we’re seeing released these days, but it’s more than sufficient to quickly charge any smartphone. After testing 30 Qi certified wireless phone-charging car mounts, we’ve found the fastest and most reliable for most drivers. Anker’s PowerDrive Speed+ Duo has a 30-watt USB-C port (as opposed to the Nekteck’s 45-watt port), doesn’t come with a cable, and generally sells for a few dollars more than the Nekteck. It’s otherwise a good choice if you prefer the aesthetics of the glowing blue ring around the charging face. Despite the very similar name, Anker’s PowerDrive+ III Duo differs a little from the PowerDrive III Duo in looks and function. It’s larger, and it offers more power on one of its USB-C ports—30 watts instead of 18 watts. That may be useful if you’re trying to top off a tablet or laptop more quickly, but we don’t think that feature is worth the extra cost for most people. Like the Nekteck PD 45W car charger, the PowerVolt PD40 has USB-IF certification, which means an independent lab has verified that it meets a set of criteria for safety and performance. Although we didn’t rely on USB-IF certification in making our recommendations for this guide, that stamp of approval makes us even more comfortable with our picks.