Given today's power-hungry phones and tablets, any power pack under 20,000mAh shouldn't be considered high-capacity. While the majority of these beefier backup batteries aren't suited for storing in your pocket, they're still compact enough to toss in a backpack, suitcase, or laptop bag for a quick charge when you need it. Check out these power banks that provide enough battery to keep up with the most demanding tech-lover.
The one to get
Anker PowerCore+ 26800 PD
Staff pick
The Anker Powercore+ offers a whopping 26,800mAh capacity and is only 7.1 x 3.1 x .9 inches in size. This is a power bank that you probably can fit into your pocket — though I really wouldn't recommend it — and it has a 30-watt USB-C port that's capable of charging laptops, like a Chromebook or MacBook. This combo throws in a C-to-C cable and 30W wall charger.
Great value
EasyAcc Monster 26,000mAh
If you're after more than just a pair outputs to keep your phones and tablets charged up, the $50 EasyAcc Monster packs a 26000mAh capacity and provides four USB ports as well as two Micro-USB inputs on the side that can work in tandem decrease recharge time up to 50%.
Best mid-range option
RAVPower PD Pioneer 26,800mAh
The PD Pioneer can output 30 watts through its USB-C port and has two "regular" USB ports that feature its iSmart technology, which charges at up to 2.4 amps each. RAVPower says that its iSmart 2.0 system will automatically sense the correct charging current so that your devices that don't use a fast-charging standard will still charge as fast as they are able.
Great options
ZeroLemon 30,000mAh ToughJuice V3.0
This beastly backup battery rocks an impressive 30,000mAh capacity that's able to provide power to phones, tablets, and even laptops. It has a total of five USB ports, three standard 1-amp outputs, one Qualcomm Quick Charge 3.0 output, and one USB-C output, so it's compatible with almost everything that can take Quick Charge or fast charging.
For more than phones
Anker PowerHouse 200
Want to go all out? The PowerHouse 200 is for you. It has a massive 57,600 mAh battery unit that can offer over 12 charges for the average smartphone and more than 3 charges for a MacBook Pro. There are AC, USB-A, USB-C, and car outlet ports, in addition to multiple charging methods (including solar!). Just keep in mind it's not FAA-compliant, so no flying with the PowerHouse.
Devices old and new
Aukey PB-Y3 30,000mAh Power Bank
Go future-proof with this Aukey portable charger, which houses a 30000mAh battery. It has one USB-C port and two USB-A ports for other devices and will charge one Android phone roughly five times, depending on usage. Aukey threw in a USB-A to USB-C cable, and there's a 45-day money back guarantee if you're not satisfied.
For laptops and phones
Maxoak 50,000mAh
Maxoak's high-capacity power bank is portable, but it's also about the size of a paperback novel. That's what you get when you cram 50,000mAh into a portable battery, and this one should last you days if you're out and about. The tentpole feature here is the DC output for charging laptops without needing their original adapter bricks. This bank is not allowed on flights by the FAA.
Sun's out, bank's out!
Be-charming 24,000mAh Portable Solar Charger
Be-charming's charger sports three USB ports and a built-in solar panel, so if you're not able to charge it in a wall outlet, the sun can do the job for you (albeit incredibly slowly). This one's perfect for camping, hiking, or any other outdoor activity where a charged phone might come in handy. It also has a super bright LED flashlight.
Plenty of juice
RAVPower Portable Charger 32000
For those of you that want to get a lot of bang for your buck, the RAVPower Ace Seriesshould be one of your go-to options. It offers a sizable 32,000 mAh battery at a great price, and with all of that juice, you can charge your devices multiple times with room to spare. As for ports, you'll find three full-size USB-A ports and a micro-USB port to charge the pack itself.
If we had to choose
Any of the battery packs on this list will serve you just fine, but if we had to pick only one, we'd go with the Anker PowerCore+ 26800 PD. Why? It offers a seriously big capacity in a fantastically compact form factor. 26,800 mAh is more than enough juice, and thanks to the USB-C port that's capable of 30W speeds, you can charge up laptops and Chromebooks with no problem at all.
If you want that sort of capacity but don't have as much money to spend, the Aukey PB-Y3 30,000mAh Power Bank is a great alternative. It still has USB-C input/output and a great capacity at a reasonable reasonable size and price.
And, lastly, there's the Anker PowerHouse 200. This is overkill for most people, but if you want a battery pack that can be used for camping, emergency situations, or any other scenario where you'll be without power for a while and need to keep your devices charged up, it's a fantastic pick.
A note on air travel: What you need to know
While traveling in the U.S., the Federal Aviation Administration allows you to carry a device (like a power bank) with up to a 100 Wh capacity. You are also able to carry a limit of two spare batteries between 101 Wh and 160 Wh with prior approval from your airline. All lithium batteries must be in your carry-on bag and can't be stowed with checked luggage.
Most power banks list their capacity in mAh (milliamp-hours) and not Wh (watt-hours). Let's do some conversion using a 3.7-volt average. You can calculate from Wh to mAh using this formula:
(mAh)/1000 x (V) = (Wh)
After some rounding off, that means you can (usually) bring a 26,800 mAh power bank on your flight. With approval, you can bring up to two 43,240 mAh (again, some rounding is used) along as well. Just be sure not to put them in your checked luggage!
Other countries may have different regulations, so you should check before you travel outside the U.S.
Having a portable power bank with you is the best way to keep all of your devices charged wherever you go, and for the money, Anker's reliable 26800mAh charger is your best option, with USB-C PD for fast charging everything that's compatible.
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