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#Phone battery charger how to
#Phone battery charger portable

When in doubt, I recommend buying a newer PD-compatible battery bank if you’re looking for fast charging. You can see which fast-charging standards your phone supports by checking its page on the manufacturer’s website - the Samsung Galaxy S10, for example, is compatible with QC2.0 and USB-PD. If your phone brands itself as Quick Charge 4.0, it’s compatible with PD as well. Your phone can handle chargers up to a certain wattage, and will charge as fast as it can with whatever PD-compatible charger or battery bank you give it.

USB Power Delivery (USB-PD): Many modern phones use a much simpler standard called USB Power Delivery.

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. Many used Qualcomm Quick Charge or some variant thereof (sometimes with their own branding on top, like Samsung’s Adaptive Fast Charging and Motorola’s TurboPower).

Quick Charge (QC): A few years ago, many phones came with proprietary fast-charging tech.

It won’t be blazing, but it’ll be a decent step up.

Amps: If one USB port says 1A and the other says 2A, the latter 2 amp port is going to charge your phone faster.

#Phone battery charger how to

Shopping How to choose the best exercise bikeĬharging speeds may be denoted in one of a few ways:

#Phone battery charger portable

(You can see an example of this in Belkin ’s portable charging guide.) At the very least, though, it’ll give you somewhat of a ballpark when you’re shopping among several portable chargers. Due to certain marketing tricks, you can’t always say that a 12,000mAh battery will charge your 3,000mAh phone exactly three times, for example - it’s more like two, or two-and-a-half. But milliamp-hours don’t tell enough of the story. All else equal, they can be useful comparing the capacities of different battery packs: A 5,000mAh battery pack will provide fewer charges than a 12,000mAh model. For example, a 12Wh battery could charge a 4Wh device three times - maybe a bit less, due to losses in efficiency. If your battery pack uses watt-hours, just compare the watt-hours on the battery pack to the number of watt-hours held by the device you want to charge. “ Watt-hours is a better, more accurate rating of capacity, but phone manufacturers leaned in the direction of milliamp-hours,” explains Brad Saunders, chairman of the USB Promoter Group at the nonprofit USB-IF, which develops and maintains specifications for USB standards.

Milliamp-hours (mAh) will give you a decent spec to use when comparing different battery packs.

Watt-hours (Wh) will give you the best estimate of how much or how many times the charger can juice up your device.

You want something that fits comfortably in your backpack or purse, but you also want it to hold a lot of juice so you can charge up your devices as much as possible.Ĭharging capacity is often measured in either milliamp-hours (mAh) or watt-hours (Wh).

How long does a portable charger last? Shopping for a battery pack is a delicate balance between size and capacity. Shopping The best portable chargers and battery packs at every price point Portable charger capacity: How much can you charge? Here’s how to figure out what you need so you can charge your wireless earbuds, laptop, smartphone or travel tech no matter where you are. Whether you’re looking for a new one now or trying to replace yesteryear’s model, it can be challenging to find the right portable battery pack for you, considering the sea of technical jargon you’ll be wading through shopping for a new charger. Regardless, the dwindling number of available slots in your surge protectors and power strips or trying to work remotely from different parts of your home could mean a portable charger is in demand. Of course, while the coronavirus COVID-19 rages on, most coffee shops are shutting their doors and upwards of 80 million Americans have been ordered to stay indoors.

It always seems like my local coffee shop runs out of outlets right when my smartphone battery is inching toward zero percent or my laptop is on its final legs, and I need to make a call or hail a ride home.