Do you find your phone battery often dies before the end of the day? Then you should buy a portable charger so you can keep it pumped up with battery while on the go.

We've put together a selection of great portable banks that you can get right now and we've listed them down .

Whether you’re looking for a high capacity battery or a slim design, we’ve got the greatest portable chargers you need to see.

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Best power banks for capacity

You've likely heard of Anker, and this is one of the company's best portable chargers. It comes with a huge 20,100mAh battery inside, meaning this will be able to charge up your phone or tablet multiple times before it needs a recharge.

It also comes with high-speed charging for your devices if they use PowerIQ or VoltageBoost. It won't be able to use Qualcomm's QuickCharge technology, but it'll still boost your device when you're on the go.

If the Anker isn't right for you, our next choice is the Aukey 20,000mAh battery pack. It two ports so you can charge both your phone and your tablet at the same time and also has a light to show you how much battery charge is leftover.

The blocky design may not be for everyone, but this portable charger should be able to charge your phone and other gadgets a few times over with such a high capacity cell inside.

This is the cheapest option for a portable charger we have on the list, but this option from RAVPower should suit you for recharging your mobile phone while on the go.

It has a capacity of 6,700mAh, which should recharge your average smartphone at least once and maybe even twice. There are three color options here with the choices of either pink, blue or silver.

The LEDs on the side of the device also show you how much charge is left and there's fast-charging tech built-in too.

Best slim portable chargers

Poweradd also a great slim portable charger, and it's one of the cheapest options on this list yet boasts a substantial 10,000mAh cell inside.

It may be quite heavy, but this is only 1.3cmthick, making it a great device to slip into your back pocket when you're out and . You'll want to grab a cable to go with it though as unlike the Iceworks choice above it doesn't come with one built in.

The Anker PowerCore II 10,000 power bank is perhaps the portable option on this list and allows you to have at least two full charges for your phone in your back pocket ready to go.

At only 209g and 1.5cm thick, you'll be able to take this around with you won't feel weighed down while still having 10,000mAh of extra power for your devices. Plus it comes with Anker's own fast-charging tech that should mean you won't be plugged into it for too long, but you'll need to take around your own cable to use this.

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