Best Power Banks for Galaxy S9

It’s another year, and another Samsung Galaxy smartphone has been released. The Samsung Galaxy S9 is here. Quite a few things haven’t changed, but at the same time, no matter how you put it, it’s an improvement from the previous Galaxy S8 in small ways. It has better specs with it using the new Qualcomm 845 Snapdragon processor and this time around the Galaxy S9+ has 6GB of RAM rather than just having the two models having the same amount of RAM. One major improvement is the camera and that’s because the Aperture on the Galaxy S9 is actually able to change.

The aperture changing with this power bank is something major because it’s one of the first smartphones on the market to do this. Also, it’s something that professional cameras are able to do, the bridge between professional cameras and smartphone ones are now being connected.

With that said, if there’s one thing that hasn’t changed it’s the battery power from both the Galaxy S9 and Galaxy S9+. The Galaxy S9 still has a 3,000mAh battery and it the S9+ has a 3,500mAh battery. The problem with that is that the two smartphones have better specs from before, but that also means that they consume more power. So the use of a power bank is more important than ever. As you’re going to be using the S9 quite heavily with its buttery smooth performance, but using the S9 heavily will burn into the battery quite quickly.

That’s why we chose the best power banks for the Galaxy S9 so you can charge this new Samsung smartphone at its max charging speed and to full power while you’re on the move.

Aukey 10,050mAh Power Bank with Quick Charge 3.0

The first power bank that we’re starting off with this guide is Aukey’s 10,050mAh power banks. It has enough power capacity to charge the Galaxy S9 to its full power about 2 times if all you’re doing is charging the smartphone. This really is a power bank that’s meant for just charging a single device too and that’s because it has one USB-A port.

The USB-A port on this power bank uses Quick Charge 3.0 and even though the Galaxy S9 is compatible with Quick Charge 2.0, Quick Charge is still compatible with previous models. So the S9 is able to charge at its max charging speed with this power bank. At the same time, you can of course still charge Non-Quick Charge compatible devices with this power bank and they will receive a charging rate of 5V/2.4A.

Also, just like the output of this power bank, the Mirco-USB input port uses Quick Charge 3.0, so you can recharge it at Quick Charge speeds when you use a Quick Charge wall charger.

Read Review for Aukey 10,050mAh Portable Charger with Quick Charge 3.0

Specs of the Aukey 10,050mAh Portable Charger with Quick Charge 3.0:

  • Capacity:            Advertised: 10,050mAh            Output Capacity: 7,400mAh
  • Output:

Standard Speed: 5V/2.4A

Quick Charge Speed: 5V-6V/3A | 6V-9V/2A | 9V-12V/1.5A

  • Input:    5V/2.0A | 9V/2.0A | 12V/1.5A Via Micro-USB Input
  • LED Power Indicators: 4 LED Power Capacity Indicators
  • Size: 4.2 x 2.3 x 0.9 inches
  • Weight: 7.6 Ounces

Tronsmart Presto 10,400mAh Power Bank with USB-C and Quick Charge

Another 10,000mAh power bank is from Tronsmart. Tronsmart has had a foothold in quite a few tech devices and when it comes it portable chargers, even though they don’t have too many, the power banks that they do sell are top notch. This Tronsmart Presto portable charger is proof of that.

It has a 10,000mAh power capacity, so enough to charge the Galaxy S9 to full power two times. You can also use the power capacity for charging another device to full power at the same time too. That’s because this power bank has two charging ports. There’s the USB-A port that uses Quick Charge, which is the port that you’re going to want to use to charge the S9. The one other output port is the USB-C port. You can use the USB-C port to charge USB-C compatible devices, which the Galaxy S9 actually uses to charge with a USB-C to USB-C charging cable.

The USB-C port on this power bank has a charging rate of 5V/3.0A, so it can charge your Galaxy S9 quite quickly, but it’s still better to use the Quick Charge port for faster charging. Another thing is that you can still charge larger devices that use USB-C such as MacBooks or Chromebooks with this power bank. Or you can use a USB-C to Lightning charging cable to charge the new iPhone X and the iPhone 8 for faster-charging speeds.

Recharging this power bank is another part that makes it best to use for the Galaxy S9. With the USB-C port being used as an input to recharge the power bank, so you can use the charging cable that you use to charge your S9 to recharge this power bank.

Read Review for Tronsmart Presto USB-C 10,400mAh Power Bank

Specs of the Tronsmart Presto 10,400mAh Power Bank:

  • Capacity:                 Advertised Capacity: 10,400mAh        Output Capacity: 8,400mAh
  • Output:

Quick Charge 3.0 Port: 5-6.5V/3.0A | 6.5V-9V/2A | 9V-12V/1.5A

USB-C Charging Port: 5V/3.0A

  • Input: 5V/3.0A
  • LED Power Indicators: 4 LED Indicators
  • Size: 6.5 x 3.4 x 1.1 inches
  • Weight: 10.4 Ounces

Anker PowerCore II Slim Portable Charger

One other 10,000mAh portable charger that we had to mention is from Anker. If you’ve read our many review and buyer guides then you’ve probably heard of Anker, as they’re a leading brand within the charging electronic space because they make some great products. This PowerCore II 10,000mAh portable charger is no different.

It, of course, has a 10,000mAh power capacity as you could have probably figured out by the name of this charger. So a perfect capacity for charging the Galaxy S9 to full power about two times. The charging with this PowerCore II Slim 10000 charger is also very good with its single output port that uses Quick Charge and it also has fast charging for Non-Compatible Quick Charge devices at the same time too.

Recharging this power bank through it Micro-USB input port is fast when you use a Quick Charge wall charger because it’s able to recharge at Quick Charge speeds.

One of the main reasons that we’re adding this to the guide is not only because of the powerful charging that it features but also because of its form factor. This power bank has a length of 5.4 inches and a thickness of 0.6 inches. So it’s very easy to slide right into a pocket, and it’s actually so slim that you can fit this power bank and your Galaxy S9 into a pocket and have it charging at the same time too.

Read Review for Anker PowerCore II Slim 10,000mAh Power Bank

Specs of the Anker PowerCore II Slim 10,000mAh Power Bank:

  • Capacity:            Advertised: 10,000mAh            Standard Output Capacity: 7,400mAh     Quick Charge Output: 6,400mAh
  • Output:  

Standard Speed: 5V/2.4A

Quick Charge Speed: 5-6V/3.0A | 6-9V/2.0A | 9-12V/1.5A

  • Input:    5V/2.0A | 9V/2.0A | 12V/1.5A Via Micro-USB Input
  • LED Power Indicators: 4 LED Power Capacity Indicators
  • Size: 5.4 x 2.6 x 0.6 inches
  • Weight: 7.4 Ounces

EasyAcc 16,750mAh MegaCharge Power Bank

EasyAcc is a brand that has a few power banks but the portable chargers that they do sell are some of the most innovative on the market. This MegaCharge Doubin portable charger is quite innovative.

It has a high mid-range power capacity of 16,750mAh and it’s with this power capacity, you’re able to charge the Galaxy S9 to its full power about four times. That said, those full charges are only applicable if you’re only charging the S9 with this power bank. This charger has two output ports. There are two USB-A ports, with one using Quick Charge and the other port has a charging speed of 5V/3.0A. If you’re charging a Non-Compatible Quick Charge device with the Quick Charge port then it’s also able to output 5V/3.0A.

The max output of this power bank is 6A, so you can use the max power of each of the ports at the same time.

Recharging for this EasyAcc portable charger is the best part and really what makes it a great charger to own. There are two input ports. With one input being a USB-C input and another one is a Mirco-USB input. The USB-C input has a recharge rate of 5V/3.0A and the Micro-USB input has a recharge rate of 5V/2.0A and the best part is that you can use them both at the same time. Using both of the input ports at the same time will result in a 5A recharge speed and that’s a full recharge of this power bank within 3.5 hours. Really fast.

That said, to make sure that you’re able to take advantage of this awesome recharging power, then we recommend owning a wall charger with Quick Charge and a standard port.

Read Review for EasyAcc MegaCharge 16,750mAh USB-C Power Bank

Specs of the EasyAcc MegaCharge 16,750mAh USB-C Power Bank:

  • Capacity:            Advertised: 16,750mAh            Output Capacity: 12,400mAh
  • Output:  

Smart Charge USB Port: 5V/3.0A

Quick Charge Port: 5V/3.0A – 5-6V / 3A, 6-9V / 2A, 9-12V / 1.5A

Max Output: 5V/6.0A

  • Input:

Type-C Input Port: 5V/3.0A

Micro-USB Input Port: 5V/2.0A

  • LED Power Indicators: 4 LED Dotted Power Capacity Indicators
  • Size: 5.3 x 3 x 0.9 inches
  • Weight: 10.9 Ounces

EasyAcc 20,000mAh MegaCharge D20 Portable Charger

Continuing with the EasyAcc power banks, EasyAcc has higher power capacity MegaCharge portable charger called the D20. This power bank packs even more charging power with its 20,000mAh power capacity that’s useful for charging not only the Galaxy S9 but also for charging many other devices to full power a few times over.

This MegaCharge D20 charger has a total of four output ports. With there being three USB-A ports, with one using Quick Charge and the other two using a standard charging rate of 5V/2.4A. The fourth output port is the USB-C port that can be used with a USB-C to USB-C cable to charge USB-C compatible devices. The changing speed of the USB-C port is 5V/3.0A.

Recharging this power bank is the same as the EasyAcc MegaCharge portable charger that we mentioned before. With it using a USB-C input that has a recharge rate of 5V/3.0A and the Micro-USB input with a recharging speed of 5V/2.0A. Both can be used at the same time to recharge the power bank at a 5A speed. Also, something to know is that there are two completely separate USB-C ports, one for output and one for input recharging.

Read Review for EasyAcc MegaCharge D20 20,000mAh Power Bank Doubin 5A Input

Specs of the EasyAcc MegaCharge D20 20,000mAh Power Bank Doubin 5A Input:

  • Capacity:

Initial Capacity: 20,000mAh

Output Capacity: 15,000mAh

  • Output:

Quick Charge Port: 18W and also standard 5V/3.0A charging rate for Non-Compatible Quick Charge devices

Standard USB-A Ports: 5V/3.0A

USB-C Port: 5V/3.0A

Max Output: 33W (6.6A)

  • Input:

Micro-USB Input: 5V/2.0A

USB-C Input: 5V/3.0A

Max Input: 5A

  • LED Power Indicator: 4 White LED Power Capacity Indicators
  • Size: 5.9 x 2.9 x 0.9 inches
  • Weight: 13 Ounces

RAVPower 20,100mAh Portable Charger with Quick Charge and USB-Cpic-12

This RAVPower portable charger is all about versatility with its use of different charging outputs and recharging options too.

It has 20,100mAh power capacity that useful for charging the Galaxy S9 to its full power a few times over. The power capacity is also very useful for charging other devices to full power too. Charging is really the best part of this charger with there being a total of three output ports.

There are two USB-A ports, with one of the ports featuring Quick Charge 3.0 and the other one has a charging rate of 5V/2.4A. The third output port with this power bank is the USB-C port which has a charging speed of 5V/3.0A. You’re going to want to use your Galaxy S9 with the Quick Charge port, of course, but the USB-C port on this power bank is still great for charging other USB-C compatible devices such as other smartphones, tablets, and laptops that use USB-C. You can also charge it with a USB-C to Lightning cable for charging the iPhone X or the iPhone 8 at faster-charging speeds.

Recharging this power bank is also a great experience with there being two input ports. One is the USB-C port that can also be used as an input for charging. The USB-C input has a recharge speed of 5V/3.0A. The Micro-USB port on this power bank is Quick Charge compatible and is actually faster for recharging than the USB-C input port. Both of the inputs cannot be used at the same time.

Read Review for RAVPower 20,100mAh Power Bank with Quick Charge 3.0

Specs of the RAVPower 20,100mAh Power Bank with Quick Charge 3.0:

  • Capacity:            Advertised: 20,100mAh            Output Capacity: 17,100mAh
  • Output:  

iSmart Port: 5V/2.4A

Quick Charge port: 5V/2.4A | 6.5V-9V/1.5A | 9V-12V/1.2A

USB-C: 5V/3.0A

  • Input:

5V/2.0A Via Micro-USB Input

5V/3.0A Via USB-C Input

  • LED Power Indicators: 4 LED Dotted Power Capacity Indicators
  • Size: 6.8 x 3.1 x 0.8 inches
  • Weight: 13 Ounces

Puridea 20,000mAh Power bank with two Quick Charge 3.0 Ports

A power bank with just a single Quick Charge port is vital to own for charging your Galaxy S9 with, but what if you want to make sure that you can charge two Quick Charge compatible devices at their max chargings speed?

Well, there’s this Puridea 20,000mAh portable charger. It has a good amount of power capacity that very useful for charging your Galaxy S9 a few times over and for charging other devices. The main part that makes this power bank so great is its output charging power.

This power bank doesn’t have just one Quick Charge port, there are actually two USB-A ports that feature Quick Charge 3.0. So you can charge two Quick Charge compatible devices at their max charging speed, at the same time. Of course, Non-Compatible Quick Charge devices can charge at a 2.4A charging speed with either of the USB-A ports.

There’s a third output port with this power, and that would be a USB-C port that has a charging rate of 5V/3.0A

Recharging this power Puridea power bank can be done through one of two ports, with either the USB-C port or the Micro-USB input that uses Quick Charge to recharge.

Read Review for Puridea 20,000mAh USB-C Portable Charger with Quick Charge 3.0

Specs of the Puridea 20,000mAh USB-C Portable Charger with Quick Charge 3.0:

  • Capacity:            Advertised: 20,000mAh            Output Capacity: 14,800mAh
  • Output:  

Standard Speed of USB-A Ports: 5V/2.4A

Quick Charge Speed: 5V/2.4A | 6.5V-9V/1.5A | 9V-12V/1.2A

USB-C: 5V/2.4A

  • Input:

5-12V/2.0A Via Micro-USB Input

5V/3.0A Via USB-C Input

  • LED Power Indicators: Digital Power Capacity Indicators
  • Size: 7.2 x 4.5 x 1.3 inches
  • Weight: 1 Pound

Anker PowerCore+ 26,800mAh Portable Charger

Going into the very high power capacity ranges, there’s this Anker PowerCore+ 26800 portable charger. So it has a 26,800mAh power capacity, quite a lot higher than the 20,000mAh that we mentioned before and so this charger is more than able to charge the Galaxy S9 to its full power about 8 full times. Charging other devices to full power with this power bank is also something that you’re going to want to do if you get this power bank and that’s because it has so much power capacity and three USB-A ports.

There’s a single USB-A port that features Quick Charge 3.0 which is used for charging the Galaxy S9 at its max charging speed. The two other USB-A ports have a charging speed of 5V/2.4A. The max output of this power bank is also quite high at 6A.

Unlike the regular PowerCore 26800, this PowerCore+ model has just a single Micro-USB input port that uses Quick Charge 3.0. So you can use a Quick Charge wall charger to charge this massive capacity portable charger at a faster speed. Anker even sells the PowerCore+ 26800 with a Quick Charge wall charger to make sure that it recharges at its max speed.

Read Review for Anker PowerCore 26800

Specs for Anker PowerCore+ 26800 with Quick Charge:

  • Capacity:   26,800mAh
  • Output:

Quick Charge 3.0 Port Charging Speeds: 3.6V-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A

Standard USB-A Port: 5V/2.4A

Max Output: 6A

  • Input: 

Micro-USB Input Port: 3.6V-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A

  • LED Power Indicators: 10 White LED Power Capacity Indicators
  • Size: 7.1 x 3.1 x 0.9 inches
  • Weight: 1.3 Pounds

Aukey 30,000mAh Power Bank with Quick Charge and USB-C

Then there’s a power bank with an even higher power capacity from Aukey, and it has a 30,000mAh power capacity that can charge the Galaxy S9 to its full power about 10 times. If you’re using the majority of the capacity for charging the S9, though.

This Aukey charger has three output ports. With there being two USB-A output ports, with one being Quick Charge 3.0 and the other having a charging rate of 5V/2.4A. The third output is the USB-C port.

Recharging this high capacity portable charger can be done through either the Micro-USB input port or the USB-C port which can also be used as an input. Or you can use them both at the same time and have a recharge rate of 4A with both of them combined.

Read Review for AUKEY 30,000mAh Portable Charger with Quick Charge 3.0

Specs for Aukey 30,000mAh Portable Charger with Quick Charge 3.0:

  • Capacity:            Advertised: 30,000mAh             Output Capacity: 27,000mAh
  • Output:

Quick Charge 3.0 Port Charging Speeds: 3.6V-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A

AiPower Port Charging Speed: 5V/2.4A

USB Type-C Output Port: 5V/3.0A

  • Input:

USB Type-C Input Port: 5V/2.0A     Individual Usage: 5V/3.0A

Micro-USB Input Port: 5V/2.0A       Individual Usage: 5V/2.4A

  • LED Power Indicators: Power Button Indicates 3 Colors
  • Size: 5.9 x 3.3 x 1.1 inches
  • Weight: 1.4 Pounds

Vinsic 20,000mAh Portable Charger with Quick Charge 3.0pic-1

The final portable charger that’s best for the Galaxy S9 is this Vinsic 20,000mAh power bank. So we did go lower on the power capacity, but overall, this portable charger is just as powerful. With a power capacity that’s long-lasting and ready to provide a full charge for smartphones and tablets alike.

There are a total of three output ports, with two USB-A ports and a single USB-C port. One USB-A port uses Quick Charge 3.0 and the other one has a fast standard charging rate of 5V/2.4A. The USB-C port being used as a output has a charging rate of 5V/3.0A.

There are two input ports, with a Micro-USB input port that can use Quick Charge to recharge, or you can use the USB-C as the input to recharge this power bank but it has a slower recharging of 5V/2.0A. One of the most notable parts of this power bank is that it uses a digital power capacity display to better tell you how much power is still left to use.

Read Review for Vinsic Slim 20,000mAh Power Bank

Specs of the Vinsic 20,000mAh Power Bank:

  • Capacity:            Advertised: 20,000mAh             Output Capacity: 16,000mAh
  • Output:   Max Output:

QC USB Output: DC 3.6-6.5V/3A | 6.5-9V/2A | 9-12V/1.5A

Standard USB Output: DC 5V 2.4A

Type-C Output: DC 5V 3A

  • Input:

Micro USB Input: 5V/2.4A | 9V/2A

Type-C Input: 5V/2A

  • LED Power Indicators: LCD Power Capacity Display
  • Size: 6.1 x 3.6 x 0.8 inches
  • Weight: 14.9 Ounces

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