Cellphones get faster each year, however the more powerful they become the less their batteries can keep everything going. And, of course, all batteries will degrade over time. If you require additional battery power for your smartphone, tablet or other USB-powered apparatus, you want a power lender. But what’s the best power bank you can buy? Keep reading to find out.
What is the very best power bank you can purchase?
Want more help deciding which is right for you?
1. Zendure A2 Power Bank
- Reviewed on: 23 March 2016
- RRP: #29.99
It may seem strange to discover a power bank at number one in our graph which doesn’t have an LCD screen, does not support USB-C or Lightning, doesn’t have multiple outputs and does not feature Quick Charge 3.0 support. However, we stand by our promise that the Zendure A2 is totally the most effective personal power bank on the market. It’s compact. It’s good-looking. It is fast. It is super-tough. It is plug-and-go. It has sufficient capacity for several charges and it has great price. A nicely worthy winner of our best energy bank crown.
2. Anker PowerCore Rate 10000 QC Power Bank
- Reviewed on: 13 July 2017
- RRP: $29.99
Fast, portable, high in capacity and very affordable. There are a few boxes the Anker PowerCore Speed 10000 QC power bank does not indicate, however you’d be pushed to find fault with it at #25. A recommended gadget for the upcoming festival- and holiday season.
3. RavPower PowerStation Series 20100mAh Portable Power Outlet
- Reviewed on: 17 January 2017
- RRP: $119.99
It’s a similar usable capacity to the pricier Omnicharge, nevertheless lacks its LCD display and is much larger and not as easily portable. But this RavPower PowerStation Series 20,100mAh Portable Power Outlet is much easier to get hold of in the UK and even comes with a UK three-pin AC outlet. Both devices are expensive at around #100, but offer insanely quick charging (and recharging) of almost anything you prefer. A great buy if you are able to afford it.
4. CHJGD UltraCompact Power Bank
- Reviewed on: 6 July 2016
- RRP: Number22.99
CHJGD is doing what it can to bring some color to the functional-looking power bank market together with the bulldog-inspired UltraCompact Power Bank. It’s useful capacity, and it’s affordable and easily portable. A great purchase if you’re in the market for a mobile charger you’ll be able to slip into a pocket.
5. Moshi IonSlim 5K Power Bank
- Reviewed on: 4 July 2017
- RRP: $54.95
- Purchase from Moshi
Moshi has created among the very attractive and mobile power banks we have observed in the IonSlim 5K – this is among the few that you really won’t mind carrying around with you. Our only real gripe is the price: #50 is a lot for a 5,150mAh battery, which means you’ve got to choose how much of a premium you are ready to pay for your pared down design.
6. Zendure A3 Power Bank
- Reviewed on: 30 November 2016
- RRP: US$37.89
Greater in power compared to the class-leading Zendure A2, however using the exact same indestructable design and an additional USB output, the Zendure A3 is a fantastic choice if you’d like a little more pocketable electricity for charging your phone or tablet off from home. If you want more power still check out the #40 Zendure A4, which is otherwise equal to this Zendure A3.
7. DXPower Armor DX0001 Power Bank
- Reviewed on: 25 January 2017
- RRP: Number19.99
A handsome, mid-capacity rugged power lender which can fit neatly into the pockets of cyclists, hikers and other outdoorsie-types. It is a shame that the DXPower Armor is waterproof only when it is not being used, but this is a criticism we can level at most – if not all – ‘waterproof’ power banks.
8. Flux Card Power Bank
- Reviewed on: 18 August 2016
- RRP: US$25
A fantastic update over the original Flux Charger, the brand new 4,000mAh Flux takes onboard all our criticisms and comes back fighting. An excellent, truly portable power bank which will find any smartphone user from a jam. If you want more capability, also see the 10,000mAh Flux Charger Plus, today with two additional full-size USB outputs.
9. CHJGD Magnum Opus Mini Power Bank
- Reviewed on: 21 July 2017
- RRP: $24.99
A smaller version of the recommended Magnum Opus, the Opus Mini is a much better match for your pocket and for your wallet. The LCD display is a very beneficial inclusion.Our sole criticism concerns the lack of passthrough charging.
10. Anker PowerCore+ 26800 PD Power Bank
- Reviewed on: 24 July 2017
- RRP: $109.99
It is expensive, but this Anker heavyweight is an excellent power lender for sprucing up anything and everything with a USB port – and doing a lot of times. It is quick to recharge, as long as you have a PD adaptor, and will continue going and going. A fantastic buy if you can afford it.
How to choose the best energy bank for you
You may assume all power banks are much the exact same thing, but you’d be incorrect. You can acquire compact power banks which will charge your phone once, marginally larger portable chargers that might offer a couple of charges, or high-capacity banks that may charge your phone in excess of 10 times.
Working out the number of times each power lender will charge your phone depends on over the mAh rating on the packaging. No power bank is 100 percent energy-efficient, with every mobile charger reducing electricity through voltage conversion and heat generated.
The industry standard for energy efficiency is between 60- and 70 per cent, but some of the best can provide 90 percent efficacy.
We’re seeing a growing number of power banks together with assistance for Quick Charge 4.0 and USB-C, and in some instances these are supported on the input in addition to the outputsignal, making them as fast to refill as they are supposed to charge your phone. Electricity banks can provide these in place of or alongside full size USB, Micro-USB and quad vents.
We’re starting to find power banks which feature an AC/DC socket (a plug socket for non-USB apparatus). Unfortunately many provide just a US two-pin plug, so you may have to carry an adaptor.
Another kind of electricity bank assembles in solar panels. You might think residing in the UK our grey climate would rule out the use of such a device, but even in cloudy conditions these devices can draw a solar power.
Layout is important when it comes to deciding on a power lender, and a few batteries are more compact than many others in the exact same capacity. You can also purchase those protected by the elements, but make sure you check if they’re waterproof or just rainproof.
Nearly all electricity banks utilize LEDs to demonstrate just how much power remains in the device. This can be fine for smaller-capacity devices, but when each LED represents several charges on your telephone it can be tricky to see where you’re. We favour banks with built in LCDs.
Pass through charging is a good feature to have – the capability to control a connected smartphone in the same time as the apparatus itself.
Auto-on and auto-off is another sought after attribute, though sometimes a bank can support this and your phone won’t. It means that you can plug in a device and the electricity bank will begin charging with no pressing any buttons. When charging is complete it will place itself in standby mode to conserve energy.
Some power banks also include an LED flashlight, triggered by double-pressing the power button.
Get the fastest charging speeds
The input rating is crucial when it comes to recharging the lender – the greater is this figure the more quickly it can cost. You will see a figure at Amps, and you multiply this number by the voltage (5V for USB) to discover the rating in Watts.
Do not expect to get a USB mains charger at the box – you can utilize that which was supplied with your tablet or phone. Be aware that a power bank using a 2A (10W) enter will not recharge its own battery any faster than one with a 1A (5W) input signal when combined with an underspecified USB charger.
The reverse is also true when it comes to charging your devices – a phone that supports just a 1A (5W) enter will not charge quicker in the 2A (10W) output.
The output rating describes how quickly a power bank will control your apparatus. Generally you will find 1A (5W), 2A (10W) or 2.5A (12.5W) outputs.
It’s possible to use any output to charge any USB device – it will draw just the electricity it needs. However, you might find some tablets will refuse to charge from lower-specified outputs.
Increasingly power banks comprise clever technology named PowerIQ or similar. This enables the bank to recognise the type of device you have connected and provide the optimum amount of power.
If a power lender has a lot of outputs the highest total output capacity is key, because it might not be able to concurrently encourage each at full power.