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Best Selling Power Banks

Header 20,000mAh Portable Power Bank Charger

£9.99 £22.99
SAVE £13.00

Stryper 20,000mAh Portable Power Bank Charger

£9.99 £24.99
SAVE £15.00

Curver 20,000mAh Portable Power Bank Charger

£9.99 £19.99
SAVE £10.00

Power Bank FAQs

The large majority of portable chargers have lithium batteries. Well… the ones we sell here at QI PowerSurge do. Some power banks found on the market take AA batteries although we do not stock them or recommend them. In a nutshell, look out for Lithium-Polymer or Lithium-Ion batteries. And if you would like to know more information about these two types of batteries, then have a look at our blog post here.

As with anything electrical, there is an element of risk when leaving items to charge for long periods unattended however, all our products include certified safety features that prevent the units from over charging and overheating and ultimately prevents the chargers from being put under duress. In a nutshell, it’s perfectly fine to charge your portable chargers overnight. If you would like to know more about this topic, read our blog post here.

Yes! All portable chargers with Lithium batteries on sale at QI PowerSurge are rechargeable. That’s what makes them so electric! Want to know more about our power banks? Then read our blog post here where we have answered this question more in-depth.

In most cases yes, they will come pre charged when purchased although the amount of juice each unit will have will vary from unit to unit. All items are factory tested and will therefore have been charged and tested before being packed. There are no guarantees though.

The short answer is yes, they can charge laptops. We strongly recommend only using products that are specifically designed to cope with charging laptops, notebooks and macs.

Right here! If you are reading this and we (QI PowerSurge) are not yet the biggest device charger stockists in the UK, we will offer you a 5% discount. Simply enter the abbreviation of “not yet biggest power bank stockists in the UK 05” into the discount code area when going through the shopping cart and viola. Code: NYBPBSUK05

This is one of the most common questions we receive, and, we wish we could provide a definite answer but there isn’t one. What we do recommend is asking yourself the question “what do you need it most for?” Are you an adventurer who travels a lot? A hill walker who spends a lot of time in the wilderness? A traveler who attends summer festivals? If the answer to any of the three above questions is yes, we recommend purchasing a device charger with a minimum 20,000 mAh. Or, are you looking to have extra charge available when going out with friends or family? We recommend the 5,000 – 10,000 mAh product range. If you simply like to have extra juice at hand when going about your daily business we recommend units below 5,000 mAh.

All of our power banks work perfectly fine with Iphone and Samsung smart phones. We even have a blog post where we help you compare mobile phone battery capacities to know what power bank you should ideally get.

We advise checking with your airline or airport to confirm their stance. As it stands at time of writing, device chargers or any other items with lithium batteries are allowed with carry-on luggage provide they have charge in them, are in working order and are less than 100WH. Most commercial device chargers are below this fresh hold. For chargers between 100WH and 160WH may be permitted but only after gaining approval from the airline. Are power banks allowed in check-in luggage? Yes, they are allowed in check-in luggage if working and are under 100WH.

All our units come with the proper safety certifications such as CE (conformity with health, safety, and environmental protection standards for products sold within the European Economic Area ), ROHS (Restriction of Hazardous Substances Directive ), FCC (Federal Communications Commission) and are perfectly safe but it always pays to be cautious. The world is full of uncertainties!

Absolutely not! There is no difference to the health and wellbeing of your phone whether you charge via a mains socket, a connected usb port such as a computer or a portable power charger.

All electronic devices have the potential to short circuit but to do so in products that have the proper safety certificates and high safety standards is rare.

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