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(Pocket-lint) - In an ideal world, there would be no need for battery packs. Yet, the reality is that battery life is still an issue for many users, even those with flagship devices.

Getting through the day with some power remaining requires some serious discipline, which is tough if you're used to spending all your time in group chats, playing games, mindlessly scrolling through Facebook, or on yet another video call. 

That's where our list of the best battery packs and portable chargers for smartphones comes in. They've been around for years, which thankfully means there are hundreds of great options to pick from, and some are now starting to include 20,000mAh capacities and support for USB-C. These two things together mean that you can even charge a laptop. 

So, without further ado, here's our selection of the best power bank options to deliver juice back to your gadgets.

Top portable chargers to buy today

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Anker PowerCore 10000


Anker has plenty of power banks to keep you charged for days on end, but the PowerCore 10000 offers a great mixture of affordability and power.

Depending on whether you have an iPhone or Android, you should be able to recharge your phone fully from dead around 2-3 times.

It also provides fast charging technology (though it doesn't support Qualcomm's Quick Charge), which, of course, means the juice is delivered to your device quickly.

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Mophie Powerstation Plus XL


The Mophie Powerstation Plus XL battery portable charger is available with a Lightning cable.

There's also different capacities available if you want something bigger (Powerstation XXL, 20,000mAh with three USB-C outputs) or smaller. There's no USB-C option yet.

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Cygnett ChargeUp Pro 20K Laptop Power Bank


    This epic power bank has two USB-A outputs as well as a USB-C input/output that can be used to speedily charge devices (it supports Qualcomm Fast Charge 3.0).

    The USB-C connection can also be used to charge laptops including the MacBook Pro. A special chip in the device enables laptops to be charged at a much faster rate than standard USB-C ports - so more akin to being plugged into the wall.

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    Miady 10000mAh Dual USB Portable Charger


    If you're constantly on the move, it never hurts to have two portable chargers in your bag, not just one. And with Miady's pair, you can also double up for a very affordable price. 

    Both feature a 10,000mAh capacity, meaning you should get at least a couple of 0-100% charges from each bank, whether you have an iPhone or Android smartphone. 

    At just 218g each, as well, they're also not a huge pain to carry around, though it is important to keep in mind there are no capabilities for fast charging here.

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    RavPower 20,000 Powerbank


      This RavPower power bank has the largest capacity of those listed in this feature and it comes with a USB-C input and output, as well as a USB port.

      It is also compatible with Qualcomm's QuickCharge 3.0 technology and it comes with two Micro-USB cables and a USB-C adapter.

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      INIU Portable Charger


      Those who need precision when recharging their devices should consider INIU's portable 20,000mAh monster, a power bank that displays the percentage of power left.

      Thanks to 18W power delivery and dual Qualcomm Quick Charge 4.0 ports, it can also recharge iPhone devices from 0-60% in just 35 minutes. And that capacity we've mentioned means you should also be able to recharge roughly seven times in total, too.

      Naturally, this means it's not just smartphones you can feed power to, either, with USB-C laptops also able to benefit.

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      POWERADD Slim 2 5000mAh


      Plenty of people don't want to carry around the traditional-looking power bricks - or require the power they provide - which is where a more compact option, like Poweradd's Slim 2, comes into play.

      The 3.9 x 1.3 x 1.2-inches hexagonal tube means you should be able to squeeze it into your back pocket in a pinch, while still receiving 5000mAh of power.

      And, of course, while this isn't enough to keep recharging your device over and over, you should get at least one 0-100% charge out of it before it needs recharging itself

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      RAVPower 10000mAh Power Bank


      RAVPower is another name that has plenty of different portable chargers for you to pick between, but this 10,000mAh option represents a nice middle ground between portability and power.

      It has the ability to charge an iPhone 11 Pro Max 1.5 times over, and the Galaxy S10 twice, with the two USB outlets allowing you to charge two devices at the same time. 

      The company's intelligent charging tech also means it avoids overcharging your devices once they have reached capacity, leaving you with more power for the rest of your gadgets.

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      Anker PowerCore III 10K


      This power bank from the ever-reliable Anker has a 10,000mAh capacity but it has a special trick up its sleeve: a charging coil on top that means you can wirelessly charge a compatible phone with up to 10W of power. 

      There's also 18W quick charging via USB-C, too and you can charge the pack while it's wirelessly or wired charging another device, too. 

      As you'd expect, there's also USB-A for maximum compatibility plus a battery level indicator, too. 

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      Belkin Boost Charge Power Bank 20K


      If you want a battery pack to charge a Nintendo Switch, USB-C laptop, iPad or even numerous devices, then this is a really great choice for you. 

      For a laptop like a MacBook Air for example, Belkin says this will give you an extra 28 hours of battery life via the 30W USB-C port. There's also a USB-A port for compatibility with non-USB-C devices. 

      It also comes with a USB-C cable so you can use the same cable to recharge the pack as to charge your laptop or phone. 

      Writing by Britta O'Boyle and Dan Grabham. Originally published on 25 June 2014.