Review: Anker PowerCore Elite 20000mAh Power Bank

Anker PowerCore Elite 20000mAh Power Bank











  • Powerful charging that can Output 3 Amps out of Each Port and it has a Max Output of 6 Amps.
  • Automatically starts and stops charging.
  • 2 Micro-USB Input Ports that decrease recharge time
  • Very sleek and aesthetic design


  • Does not use Panasonic Battery Cells.
  • It's Heavy and Large
(Last Updated On: April 30, 2019)

Anker has made some of the best portable chargers in the market, which is really one of the reasons why they’re on our list as being one of the best brands that produce such awesome power banks. Their portable chargers are able to lead in this changing space because they always continue to innovate.

Not only is the innovation within their tech like the power capacity and charging speed of Anker power banks great, but it’s also their stylization. Their chargers look insanely aesthetic.

This is one of Anker’s newest portable power bank chargers, the Anker PowerCore Elite 20000mAh and it really brings a full package to the portable charging space of chargers. Let’s a take a deeper look at why this power bank is able to deliver on nearly all cylinders.

Similar 3-Port Power Banks:

EasyAcc 26,000mAh Power Bank with 4 USB Ports


Power Capacity:

The PowerCore Elite has a power capacity of 20,000mAh and for the Output power capacity, it can fluctuate because the power bank has 3 Output charging ports. Overall it’s going to depend on how many devices you’re going to be charging at once to really say how much Output power capacity you’re actually going to be receiving.

With that said we’re going to assume that for the most part, you’re going to be charging 2 devices at once and the max current that’s being Outputted will be about 3.5A. Then you can expect an Output power capacity of about 17,000mAh.

It’s important to know and remember that this power bank does not use Panasonic battery cells, and instead, it uses Lithium Polymer ones which is why conversion may be poorer than other Anker power banks.

Charging Smartphones, Mini Tablets and Full-Sized Tablets to Full Power

With that said, you can still get lots of full charges on plenty of devices, because this power bank is still a high capacity one. For most smartphones, you’ll be able to get 5 full charges or more. As for the tablets, you can expect 2 full charges for small tablets like the iPad Mini 1 and 2 versions.

For full-sized tablets, you’ll be able to get a full charge if you’re only charging it alone because that way you’ll be using the entirety of the power capacity.

It’s a large enough power capacity that you can use for days and possibly for weeks depending on the way you use it. The power capacity is indeed reliable enough for the 3 charging ports it has, it’s just that it’s very reliable when you’re charging small devices like smartphones.

This is mainly because smartphones don’t require a massive amount of power capacity, and the charging speed is going to be at a rather intermediate rate.

DevicesAnker PowerCore Elite
(Output Capacity = 17,000mAh)
Phone CapacityAnker PowerCore Elite Left Over Capacity after One Charge

# of Full Charges for the Device
iPhone SE17,000mAh1,624mAh15,376mAh Left Over

10.4 Full Charges
iPhone 617,000mAh1,810mAh15,190mAh Left Over

9.3 Full Charges
iPhone 6 Plus17,000mAh2,915mAh14,085mAh Left Over

5.8 Full Charges
iPhone 6s17,000mAh1,715mAh15,285mAh Left Over

9.9 Full Charges
iPhone 6s Plus17,000mAh2,750mAh14,250mAh Left Over

6.1 Full Charges
Samsung Galaxy S617,000mAh2,550mAh14,450mAh Left Over

6.6 Full Charges
Samsung Galaxy S6 Edge17,000mAh2,600mAh14,400mAh Left Over

6.5 Full Charges
Samsung Galaxy S717,000mAh3,000mAh14,000mAh Left Over

5.6 Full Charges
Samsung Galaxy S7 Edge17,000mAh3,600mAh13,400mAh Left Over

4.7 Full Charges
Samsung Galaxy S8+17,000mAh3,500mAh13,500mAh Left Over

4.8 Full Charges

Output Charging:   Per Port: 5V/3.0A       Max Output: 6 Amps

This is where things get the most interesting for the PowerCore Elite. That’s because it has 3 charging ports and Anker made sure that each one of the Output ports is very capable of providing an optimal charging experience.

Most of the time with powerful power banks, their standard ports are able to give a Max Standard charging speed of 5V/2.4A. That’s not the case here. Instead, this PowerCore takes it a step further with each of the Output ports being able to Output 5V/3.0A.

Very Fast Charing Through Each Port

So if you have a Quick Charge compatible device, this power bank can charge it near its max charging speed. However, it’s important to know that this power bank does NOT feature Quick Charge but it’s able to reach very close to Quick Charge speeds.

This means that you can charge nearly any USB charging device at its max charging speed. This is definitely true for tablets, as their max charging rate is 2.4 Amps. As for Non-Quick Charge smartphones, this will be able to charge them as their max charging speeds as well.

A Max Output for Stable Fast Charging

Then there’s the fantastic Max Output. The Max Output of this power bank is 6 Amps, and this means that it can Output 6 Amps all at once.

So if you’ve got 3 very high power demanding devices, like 3 iPads connected to the power bank at the same time, then it will be able to Output 2 Amps out of each of its ports so the Max Output of 6 Amps is reached. Even when you’re pushing the charging speed to its max potential it’s still able to give fast charging to nearly any device connected to it. It’s true for iPads and it’s very true for smartphones.

If you’re charging 3 smartphones all at once, then it’s very rare for the power bank to have difficulty providing the optimal amount of power to them; unless if you’re charging 3 Quick Charge compatible devices at once.

Input Charging:    Both Micro-USB Input Ports: 5V/2.0A       Max Input: 4 Amps

One of the most welcoming parts of this power bank is the usage of 2 Micro-USB Input ports. This is an awesome feature that is mostly used with power banks that go beyond the 20,000mAh power capacity but this PowerCore 20000 takes advantage of it.

Each of the Input ports is able to recharge at a 5V/2.0A charging speed. So if you’re using a 2 Amp wall charger or higher that has 2 charging ports rated at 2 Amps, and you’re using the 2 Micro-USB Input ports, then this power bank will be able to fully recharge in just under 6 hours.

This is a phenomenal recharge speed because with another one Anker’s power banks, the PowerCore 20100, that only has 1 Micro-USB Port, the recharge time is about 9 hours long. The usage of 2 Micro-USB Ports is a great step in the right direction because it can ultimately make recharge times for even larger capacity power banks quite short.

In this case, the PowerCore 20000 is able to recharge at 4 Amps! Anker also has another portable charger, the PowerCore 26800, that also uses 2 Micro-USB Input Ports.

Vinsic 28,000mAh Power Bank with Quick Charge

Similar Power Bank


Size and Weight:

It’s quite a large power bank and a heavy one at that as well. With that said, it’s nothing absurd and we think that the size is very compliant for what the power bank is capable of concerning its power capacity and charging ports.

It has a length of 6.2 inches, a width of 2.6 inches and a thickness 1.1 inches. It’s quite heavy at 12.3 ounces and yet it’s still not a pound, so we think that’s actually a plus.

It’s indeed possible to hold this power bank while you’re charging something like your smartphone but if you’re charging 2 devices or 3 devices at the same time, then this portable charger isn’t going to be very portable as you’ll have no choice but to set it down.

Placing it into a bag will hold no problems, though.

Functional Components:

We absolutely love the design of this PowerCore Elite. It has all the aesthetic design queues that Anker is known for. With this one, the charger has a slightly curved top and completely flat bottom to it.

The bottom part is where most of the functional components are and this is where you can find the 3 Output ports on the same short-side, there’s a power button on the long side, and the 2 Micro-USB Input ports are on the other long side of the power bank. On top is where there are 4 Blue LED Power capacity indicators.

It’s just as easy to use as other Anker power banks with charging automatically starting when you connect a device to any of the charging ports and charging stops when there aren’t any devices connected. This leaves the power button mainly to be used to check the power capacity when the unit is not in use.

RAVPower Ace Series 32,000mAh Portable Charger


Structure and Material:

This thing is built really well. Anker doesn’t create any rugged power banks and most of the time we feel that is perfectly fine. This is because their power banks are just naturally built like their meant to last forever. Sure, this power bank isn’t waterproof or shockproof from falls.

However, it keeps itself together with just 2 separate pieces keeping it together and it’s all made of plastic.

It’s a perfect portable charger to take with you on road trips, possibly camping and is really meant for everyday use.


On the tech side, the PowerCore Elite follows in the footsteps of its predecessors because it uses Anker’s Multi-Safe Protection system that is able to keep charging stably even when you’re charging 3 devices at once. Also, the usage of PowerIQ and Voltage Boost keep charging fast.

Anker states that it uses Advanced Cells for their batteries but we’re pretty sure that it’s just a marketing scheme on their part because they’re not Panasonic battery cells and if they were, then they should have stated it.

Kisreal 26,800mAh Power Bank with 3 USB Ports


This power bank is reliably universal. We say that because it isn’t exclusive to any kind of charging technology like Quick Charge or USB-C. This way, anybody can take advantage of the charging power that this power bank has to offer.

Whether it’s people that have USB-C or Quick Charge compatible device, this power bank is still able to accommodate those devices, not only that, they’re able to accommodate those devices very well.

With its fast charging through each of its ports that are up to 5V/3.0A and a Max Output of 6A, this power bank is able to provide a max charging rate for most devices from smartphones to tablets. This power bank can even charge a MacBook that can take USB-C for it to charge since the PowerCore is able to provide 30W of power.

Overall, if you’re looking for a standardized power bank that is at the optimal level of power, design and build, then this one is it. It even has 2 Micro-USB Input ports so it can be reliable to you even faster!

Similar Power Bank

Jackery Max Power Bank



The power capacity doesn’t suffer too much and it mainly matters with the way that you’re using it. It has 3 charging ports and each of them is able to give a charging rate of 5V/3.0A and the Max Output is 6A.

It’s really rare, but this power bank has it, there are 2 Micro-USB Input ports that allow even this high power capacity power bank to fully recharge within 6 hours or less.


Its size and weight match the power capacity and charging capabilities. With that said, it’s actually possible to hold and use it only if you’re charging your smartphone alone. If you’re charging more than one device it’s going to need to be set down.

The look and functions are that of Anker’s usual design with its minimalistic and sleek look.


There’s nothing rugged about the charger but it is built very well even though it’s made of plastic. On the inside, there’s a range of safety tech features that charging tech that makes this power bank really stand above the rest.


One of the most reliable power bank on the market, this one nearly has it. Even though it’s lacking all the usual special charging tech like USB-C and Quick Charge, this power bank doesn’t need things like that. This is mostly because all the Output ports are optimized to provide a charging speed near that standard.

More High Capacity Power Banks

Specs of the Anker PowerCore Elite 20000mAh Power Bank:

  • Capacity:            Advertised: 20,000mAh            Output Capacity: 17,000mAh
  • Output:  

Per Port: 5V/3.0A

Max Output: 6 Amps

  • Input:      Both Micro-USB Input Ports: 5V/2.0A       Max Input: 4 Amps
  • LED Power Indicators: 4 LED Dotted Power Capacity Indicators
  • Size: 6.2 x 2.6 x 1.1 inches
  • Weight: 12.3 Ounces


This new addition to the Anker portable chargers is not only just an addition, it’s a great one. It’s in all the areas that this charger is able to deliver in. Not just its Power, Design, and Build.

It’s getting to the point where Anker truly has made a system to know just how to make their portable chargers absolutely powerful, while still maintaining a high-quality charging experience. No matter how absurd they go with the power capacity or charging speed.