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Whether you call them batteries, power banks, or portable chargers, these accessories do one thing well: charge devices when you can’t find an open place. Small enough to fit in a day pack and strong enough to live on the bottom of your luggage, the battery can charge your phone, tablet, laptop, or even all three at the same time, depending on the size of the battery. Which size you’ll need, and any additional features you might find useful, will depend on the devices you plan to charge. With so many options on the market right now, we’ve tested a number of models to determine the best power banks you can get right now.
Best Power Bank Charger For Samsung
Almost every power bank you can buy (and most portable devices) contains a lithium-ion battery. These beat other current battery types in terms of charging capacity and have even increased in energy capacity eight times over the past 14 years. They also don’t suffer from the memory effect (where battery life is degraded due to temporary charging).
The Best Power Banks For Samsung Devices If You Want A Quick Charge
Another drawback you may have heard is the possibility of lithium-ion batteries catching fire. To limit risk, batteries need internal mechanisms to limit things like voltage and pressure. While you still need to make sure that the battery is not exposed to adverse stress, such as excessive heat, damage from dropping, or cold weather operation, the battery pack is considered safe enough to bring on an airplane. According to the TSA, external batteries rated at 100Wh or less (which is all of our recommendations) can fly with you—just be sure to keep them in your carry-on because they’re not allowed in checked baggage.
Power bank manufacturers almost always list battery capacity in milliamp hours or mAh. Small batteries, said to be able to charge a mobile phone between 50 and 75 percent, have a capacity of 5,000 mAh. Larger batteries that can charge laptops and tablets or multi-charge smartphones can exceed 25,000 mAh. Not surprisingly, the cost of most batteries increases as the capacity increases, and since batteries are physical storage, size and weight also increase with capacity. If you want more power, be prepared to spend a lot and carry a heavy brick.
You might think that a 10,000 mAh power bank can charge a 5,000 mAh phone to 100 percent twice, but that’s not the case. Besides the simple loss of power through heat dissipation, things like power switches also reduce the amount of juice that gets into your phone. Most manufacturers state the amount of battery charge that a cell phone can provide. In our tests, the 10,000 mAh battery capacity translated into about 5,800 mAh of charge on the device. 20,000 mAh chargers deliver about 11,250 mAh to the device, and 25,000 mAh banks translate to about 16,200mAh of charge. This is an average performance rate of about 60 percent.
While the tech world is (thankfully) moving towards USB-C as a standard, it’s still a mixed bag in the world of power banks. All of our picks have at least one USB-C port, and a few have a USB-A port or two. Newer Android smartphones charge via USB-C, iPhones still use the Lightning port, but newer tablets (including the current iPad) and newer laptops often charge via USB-C.
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When a battery pack has more than one charging port, they usually perform different functions. You’ll usually see at least one port labeled “in/out,” meaning you can use it to charge your bank and charge your device. While USB-A ports can power smartphones and other small devices, they cannot charge larger devices. Additionally, they are not as fast as USB-C ports in general. This is something to keep in mind when deciding which ports and cables to use to connect your phone to the pack.
There are even more differences between the USB-C ports themselves, with different ports on the same device supporting different power transfer rates. In fact, this means that the iPhone will charge properly in the 18W power port. But to properly charge, say, a MacBook or a similar laptop, it will need more juice provided by a 100W port (which large power banks can provide). Power banks with more than one port can also charge multiple devices at the same time, but the speed and charging speed provided will generally be slower.
You’ll also want to consider your cable. For anything larger than a smartphone (and to be able to charge faster) you want to use USB-C ports and cables. But not all cables are created equal, even when they have the same USB-C ports on the end. If you want to deliver power from a 100W USB-C power outlet, you need a USB-C cable with the 100W mark. Fortunately, power banks that can deliver 100W include a compatible cable. For all the devices that don’t use it, we’ve tried and loved Anker’s 100W USB-C cable. For smaller devices, we used this 60W cable from Nimble, and we don’t recommend bothering with cables below 60W. For around $20, higher capacity cables will ensure you don’t waste time with connections that limit your conversion potential.
For the most part, battery packs have a square, brick design, although many go for aesthetics with finishes and details. While it doesn’t affect how they work, it is something to consider that you will interact with regularly. Some portable power stations include additional features such as MagSafe compatibility, built-in wall mounts or even docks. Almost all have some kind of indicator to let you know how much money is left in the power bank, usually indicated by bright dots near the power button. Some flagships take this a step further with an LED display that shows how much battery is left, which can be useful if you’re relying on a mobile office pack or similar.
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Before we got our hands on the battery pack, we did some extensive research. We considered what reviewers and brand employees have tried over the years, and checked customer ratings on sales sites like Amazon and Best Buy. In total, we have produced 14 batteries, from small wireless banks to large multi-function batteries.
I tested each battery on the iPhone 14 Plus and the Samsung Galaxy S22 Ultra. For medium and large capacity packages, I added the iPad Air (5th generation) to the mix. I only charged one device at a time, although some can charge multiple devices. I charged from full to 100 percent (or until the power bank died) and did not use the device while it was charging except to turn it on and enter the unlock code.
For the most part, I used the cable that came with each power bank to charge the Galaxy S22 Ultra and iPad Air. For the iPhone 14 Plus, I used a USB-C cable to flash next to the Apple phone. In the case of small power banks that do not include a cable or connect a USB-C to USB-A cable, I used a 60W rated USB-C to USB-C cable.
I noted the times of each charge and the amount given by each bank. I also paid attention to things like ease of use and overall design. Here is a list of the best portable chargers:
Best Power Banks For Android
Providing a larger charge than Apple’s battery pack, the ArcHybrid is a faster option that snaps onto a MagSafe ring.
I went into this category thinking that Apple’s MagSafe battery pack would be the best option. And while it performed impressively, charging the dead 14 Plus to about 43 percent in an hour and 45 minutes, Spigen’s ArcHybrid delivered a 56 percent charge in about the same amount of time. The ArcHybrid attaches to a secure MagSafe ring and is flat so you can easily hold your phone and use it while it’s charging. Unlike the Apple battery, it includes four indicator lights to help you gauge how much juice is left in the pack itself. Considering Spigen’s battery is $30 cheaper than Apple’s, it’s easy to recommend.
Alternatively, Anker’s 633 magnetic battery provides a great charge thanks to its capacity of 10,000mAh, boosting the iPhone to 100 percent in three hours with enough left for an additional charge of 29 percent. And while the football performance seems to be useful, the battery itself is large – but this is understandable for a power bank that is twice the size of Spigen. Ultimately, ArcHybrid works best as a fast and convenient way to charge your iPhone on the go.
It is important to note that wireless charging is not more efficient than wired charging. Our tests show that wired batteries deliver a device charge of about 60 percent. With a wireless charger, this number drops to an average of 46 percent. Something to hold on to
The Best Power Banks For 2023
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