USB PD chargers work with your device to determine the optimal charging power up to 100W in order to charge it as quickly as possible. Many modern devices use a simpler USB Power Delivery (PD) standard, which means they will charge as fast as they can with whatever PD-compatible charger or battery bank you plug them into.
Sometimes you’ll see Quick Charge-branded USB ports on battery packs - if your phone is compatible, it’ll charge even faster through that port. Some phones will come with proprietary Quick Charge (QC) tech, either using Qualcomm Quick Charge or their own branding, like Samsung’s Adaptive Fast Charging or Motorola’s TurboPower.
#Usb backup charger portable#
(Belkin’s portable charging guide goes into more detail about this.) USB ports are typically anywhere from 1Amp up to 2.4Amps - the higher the amps, the faster your device will charge. Just about any battery pack will charge your phone, but some can do it faster than others by using different fast-charging standards. How long does a portable charger take to charge devices? Ultimately, you’ll need to balance your charging needs with how much space you have to lug a battery bank around. Plus-sized phones and tablets will need more juice to get to 100 percent compared to their smaller siblings. Keep in mind that physically larger devices usually have bigger batteries. For example, a 12Wh battery could fully charge a 4Wh device three times. If your battery pack uses Wh, you can compare the watt-hours on the battery pack to the number of watt-hours held by the device you want to charge. While phone manufacturers lean into mAh as a spec, “watt-hours is a better, more accurate rating of capacity,” explained Brad Saunders, chairman of the nonprofit USB-IF. Watt-hours (Wh) will give you the best estimate of how much or how many times the charger can charge your device.Milliamp hours (mAh) can be useful comparing the capacities of different battery packs: A 5,000mAh battery pack will provide fewer charges than a 12,000mAh model.
When shopping for a portable charger, you’ll most likely need to balance size and capacity - you want something that fits comfortably in your backpack or purse, but you also want something that can charge your devices as much as possible.Ĭharging capacity is often measured in either milliamp hours (mAh) or watt-hours (Wh), according to our past reporting. Shopping What to know about Apple's latest launches How much can you charge with a portable charger? Weighing 7.5 ounces, it’s also the lightest option on this list. It has a 10,000mAh capacity, which Anker says is enough to provide a little over two charges for the iPhone 12 and above and one-and-a-half charges for the Galaxy S20 and above. Select editor Gideon Grudo said he likes that this charger contains both a 12W USB-A port and 18W USB-C port (just make sure you have a USB-C to USB-C cable on hand to take advantage of the latter). Anker PowerCore Slim 10000Īnker’s PowerCore Slim 1000 is a pocket-friendly portable charger that you can toss in your pocket, purse or travel backpack. All of the chargers can be returned within 30 days if they don’t work out.
We also included some highly rated chargers with varying capacities and charging speeds recommended by Select staffers. Below, we list portable chargers that were previously selected by tech expert Whitson Gordon. Our experts recommend looking at capacity, device compatibility and charging speed to determine the best battery pack for you.
#Usb backup charger how to#
Since we don't test portable chargers ourselves, we rely on expert guidance and our previous reporting about how to shop for them. SKIP AHEAD Charging capacity | Charging speed | How to shop for a portable charger 5 portable chargers to shop in 2022 We also rounded up some highly rated portable chargers with varying charging capacities and speeds. We spoke to experts on what features to look for in a portable charger and how you can determine which one is best for charging your wireless earbuds, laptop, smartphone or other travel tech. Even if you’re not returning to the office soon, portable chargers can also be useful during concerts, vacations and any long periods away from an outlet, like an emergency, for example. A portable charger - whether it's a traditional charger or a solar power bank - can keep your tech charged while you’re traveling back and forth.
#Usb backup charger upgrade#
If your company is in the same boat, this may be a good time to upgrade your commuting essentials. Many companies - including Twitter, Apple and Google - have announced that they’re gearing up for a return to in-person work.
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