Best 20000mAh Power Banks in 2019 Reviews

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Presently, you can find smartphones having more than 5000mAh battery which could power up for two days. Usually, the battery life is not a major concern on smartphones. But what to do if you want to go out for three days for travelling or trekking and fail to get a power input? You may become helpless if you are on a trip and suddenly your smartphone discharges with no option left to charge. In this digital world, there is always the need of power supply. The power bank behaves as a lifesaver in such types of situations. A power bank is a portable charger for the smartphone which could provide USB power with the help of stored energy within its built-in batteries. Let’s look at the list of  the best 20000mAh power banks in 2019:

List of The Best 20000mah Power Banks in 2019 Reviews

18. Portable Charger, Mi Power Bank 20000mAh:

 Portable Charger, Mi Power Bank 20000mAh 2C Charger

  Get it now on Amazon.com

The 20000mAh power bank model from Mi works at 3.7V and delivers efficient charging mechanism. One of the unique traits of this Mi power bank is it adjusts the output power automatically to fulfil different devices’ charging requirements. Moreover, it does not consume extra power and delivers all the output to your device to make sure there is no energy loss. The battery type used is Li-polymer battery which is well-known for years to deliver effective power output.

Features:

  • Output from this portable power bank charger is 2 x DC 5.1V / 2.0A, 12V /2.4A, 9V / 1.5A, MAX 18W.
  • The range of the service temperature is extensive i.e. 0℃ to 40℃.
  • It just weighs 358g, so it is lightweight to carry for outdoor use.
  • It supports DC 5V / 2A, 9V / 2A, 12V / 1.5A quick recharging Moreover, it just requires 7 hours to deliver full charging.
  • There is the availability of the four bright LED indicator lights to depict the battery level.
  • To guarantee safe operation, it comes with the 9S circuit protection from Texas Instruments.

17. 20000mAh 3A Type C Power Bank by DYW Portable Power Banks:

 20000mAh 3A Type C Power Bank

  Get it now on Amazon.com

Presented in a reasonable size, the DYW Power Banks took enough care to simplify the portability related hassles. It is extremely simple to carry and use on the go. Its overall appearance resembles a well-designed unit with the simplicity of use.

Features:

  • This Type C power bank comes with the 2.4A fast charging in order to fully charge your device in less time.
  • High efficient output is presented through the inclusion of the 18650 lithium battery.

16. VINSIC 20000mAh Power Bank, Dual USB Port External Battery Pack:

 VINSIC 20000mAh Power Bank

  Get it now on Amazon.com

Another efficient power bank from Vinsic in this list, this 20000mAh power bank device presents 10 times charging for iPhone. Due to the inclusion of the high capacity battery, this portable charger offers powerful and balanced power supply for every port. To save time while outdoors, users can quickly charge two digital devices simultaneously through the use of the dual USB ports.

Features:

  • This 5V 4.8A portable charger comes with the universal fits for iPhone 6 5S/5/4S/4, iPod, iPad, Samsung devices (excluding Samsung S5), tablet PCs, HTC phones, game consoles, digital cameras, and MP3/MP4 players, etc.
  • It provides many different types of protection like over-charged, over-discharged, over-current, over-voltage, and short circuit protection.

15. ZizoCharge Power Bank 20,000 MAH Fast Charge Portable Charger:

 ZizoCharge Power Bank 20,000 MAH Fast Charge

  Get it now on Amazon.com

To fulfill the charging needs for your phone, ZizoCharge presented this portable charger equipped with excellent charging efficiency. This 20000mAh easy-to-use portable charger offers approximately 7.5 times the charging speed than that of the iPhone X charges or 6 Galaxy Note 8 charges.

Features:

  • In order to provide the charging speed up to 2.0 Amps, there is the implementation of the ZizoBoost technology in this portable charger.
  • Use of the ShockIQ technology avoids issues of over-charging, over-discharging, over-current and short circuit.

14. Youtiankai Xiaomi Mi Power Bank 20000mAh:

 Youtiankai Xiaomi Mi Power Bank 20000mAh 2C Charger QC3.0 Dual USB Output Battery Bank

  Get it now on Amazon.com

With a view to enhancing the durability, the Mi 20000mAh power bank unit comes with the award-winning aluminum alloy based unibody surface. Beautiful and creative style is conveyed to present a unique look. The metal band and the silver gloss finish uniquely compliment the appearance of your iPhone or several other devices. It comes with the improved conversion efficiency which suggests that it completely justifies your investment.

Features:

  • This Youtiankai Xiaomi power bank comes with excellent compatibility to allow it to function with all the leading smartphones and tab- Works with all major smartphone and tablet models.
  • For maintaining the sleek look, there is a total of four invisible LED status indicator lights.
  • Its input interface is micro USB whereas the output interface is dual USB.
  • To guarantee safe use, the construction utilizes Samsung original Grade A 10400mAh high capacity cells as well as superior quality microchips.

13. XT Power XT-20000 Power Bank 75Wh 20000mAh:

 XT Power XT-20000 Power Bank

  Get it now on Amazon.com

The 20000mAh rechargeable capacity of this 75Wh power bank makes sure there are no concerns of a dead battery or low charging. This XTPower device delivers the required power to all your mobile devices. For the purpose of charging, there is the inclusion of USB ports and a rechargeable battery. Generally, it is found that the XTPower XT-20000 conveniently fits into your pocket, bag or purse.

Features:

  • Facility of a quick charge USB port (5v / 2a) and a USB-c port provide simultaneous charging of devices like Android, iPhone, iPad, and other compatible devices.
  • The included LED lights inform the residual battery power.
  • Its compact design is extremely portable and convenient to hold.
  • To present excellent safety, the battery pack would automatically shut down once a short circuit or the overload output takes place during charging.
  • The built-in premium Lithium-ion battery comes with more than 500 battery charge cycles

12. 20000mah Double USB Ultra Thin Portable External Battery Charger:

 20000mah Double USB Ultra Thin Portable External Battery Charger Power Bank

  Get it now on Amazon.com

You would be surprised to know how your smartphone charges up to 10 times through the use of this portable battery charger.  In addition to being efficient and equipped with a high capacity of 20000mAh, this portable charger is convenient for travel. It can effortlessly slip inside your pocket and so it is easy to carry along with you.

Features:

  • Use of aluminum casing presents high durability.
  • Inclusion of the dual USB ports enables the user to charge two devices simultaneously.
  • During an emergency or nighttime use, the built-in flashlight helps a lot.
  • One of its ports come with an output of 2A allowing the user to charge huge devices like the tablet. On the other hand, the remaining port is perfect for smartphones.

11. Taoxiwave Solar Charger Solar Power Bank 20000mAh:

 Taoxiwave Solar Charger Solar Power Bank 20000mAh

  Get it now on Amazon.com

What makes this Taoxiwave power bank device special is its water-proof functionality. Basically, this high capacity power charger is solar powered, so there are no doubts regarding its efficiency.  For different activities like camping, hiking, or other outdoor activities, this solar charger is just perfect.

Features:

  • It is quite simple to charge two smartphones simultaneously with the assistance of dual USB ports.
  • Its powerful LED flashlight precisely indicates the charging status.
  • There is a total of five pilot indicators to display the status of the battery This solar power bank’s green light is activated while charging by solar, whereas the blue light is activated on while charging is through USB.

10. Power Bank 20000mah Portable Charger by Easy Style:

 Power Bank 20000mah Portable Charger Dual USB Output External Cell Phone Battery Pack-20000mah Power Banks

  Get it now on Amazon.com

This device supplies a perfect portable charger for your smartphones and tablets, plenty of power required for charging your devices. The brand Easy Style made this 20000mAh portable charger keeping in mind ultra-high capacity and portability. For high-speed, optimum charging, there is the facility of the dual USB output. Generally, this Easy Style portable charger is found compatible with iPhone, iPad, iPad Mini, Samsung Galaxy S8, S7, Google Nexus 7, Android, LG, and Sony devices.

Features:

  • The included LED status lights inform the residual capacity.
  • Included two USB ports facilitate easy charging of two devices in a simultaneous manner.
  • Built-in flashlight is helpful for use in dark environments or during an emergency.

9. LQM 20000mAh Battery Backup Power Bank

 LQM 20000mAh Dual USB External Battery Backup Power Bank for Apple iPhone 6

  Get it now on Amazon.com

This 20000mAh capacity power bank from LQM is capable to swiftly charge smartphones from iPhone and Google Nexus in order to keep the devices running all the time. Different smartphones from most of the leading brands can be easily charged with this device.

Features:

  • This high capacity power bank can charges two devices simultaneously.
  • It comes with excellent charging capacity for majority of smartphone models from Apple, Samsung, Google Nexus, LG, Motorola, etc.
  • The power bank’s slim and ergonomic design makes it easily portable.
  • The device is easy to hold in the hands and can be conveniently placed anywhere.
  • A Micro Usb cable provides convenient charging facilities.

8. Anker PowerCore II 20000

 Anker PowerCore II 20000, 20100mAh Portable Charger

  Get it now on Amazon.com

The leading technology from Anker is incorporated in this power bank that comes with the ultra-high capacity portable charger along with upgraded compatibility.

Features:

  • Quick and safe charging is implemented with the advanced technology
  • The 20000mAh pure power is sufficient to let an iPhone 8 running for around a week. This is because it can power the iPhone 8 by more than 6.5 times.
  • You can do rapid recharge because you can top up the battery in as low as 5 hours with the help of its quick charge charger.

7. Tinkon 20000mAh Power Bank with Flashlight

 20000mAh Power Bank

  Get it now on Amazon.com

Equipped with a flashlight, this power bank from Tinkon is capable to support over-discharged, over-charged, over-current, over-voltage, and short circuit protection.

Features:

  • It comes with a feature of automatic shutdown whenever a short circuit or overload output happens when the unit is charging.
  • The power bank is ultra-portable because of the slick design suits seamlessly in your hand.
  • It has a built-in LED flashlight with excellent brightness to assist you in emergency situations.
  • The device is safe to charge because it has a built-in intelligent power manage IC that protects your devices against the extreme current, overcharging, and overheating.

6. AUKEY 20000mAh Power Bank

 AUKEY 20000mAh Power Bank

  Get it now on Amazon.com

The power bank from AUKEY can be recharged with the help of micro USB cable or lightning cable. You can suitably use the same cable for charging your phone as well as external battery.

Features:

  • You can keep your smartphones charged on the go using the dual USB charging ports.
  • It can seamlessly work with every leading USB powered devices, ranging from iPhones to Android smartphones, photography gear, tablets, headphones, Bluetooth speakers, and more.
  • There are built-in safeguards that secure your devices against the extreme current, overcharging, and overheating.

5. Tundras 20,000mAh high speed Power Bank

 20,000mAh HIgh Speed Digital Power Bank FAST CHARGER Portable Ultra High Capacity

  Get it now on Amazon.com

The use of high capacity durable Lithium battery in these power banks from Tundras offers twelve hours of charging. Its dual USB Port design supports 3.4A output and 5V input.

Features:

  • There is a digital LED display that depicts the percentage of available charging capacity.
  • It comes with a micro USB cable which can be utilized to charge the battery as well as the micro USB devices
  • The appealing feature is the built-in intelligent chip design which detects the finest charging mode feasible for your device. Based on that, it provides the appropriate charge.
  • The use of precise electronic board works to avoid leaks, overcharging, and short circuits. Moreover, it provides high-temperature resistance.

4. EMIGVELA 20000mAh Fast Portable Charger

 20000mAh Fast Portable Charger

  Get it now on Amazon.com

You can find the power bank to be extensively used in a laptop and cell phone portable charger while The convenience of USB ports makes this power bank a unique one among the competitors.

Features:

  • Not only cell phones, but this portable power bank is capable to charge the high voltage devices like camera, laptops, and more.
  • It comes with a USB A port and a USB Type C port. Therefore, it can support every USB A to micro USB cord, USB A to USB C cord, apple lightning cord, USB C to USB C cord and many more.
  • When compared with other common power banks, this device can save 25% to 60% charging time to charge your devices at the full capacity.

3. KUPPET 20000mAh Power Bank

 KUPPET 20000mAh Power

  Get it now on Amazon.com

If you are looking to get the swift charge speed then this power bank from KUPPET is the best one that make you no need to concern about power dies when you are traveling. Also, there is no worry regarding power off during hurricane days.

Features:

  • The power bank is comparatively lighter than other similar models.
  • It makes use of the Polymer Battery which is 30% the weight and 20% the size of a typical lithium battery.
  • You gain access to efficient, safe, and high-quality portable charger.
  • When used, you can check the available capacity with the help of an LED display.

2. POWERADD Pilot X7 20000mAh Power Bank

 POWERADD Pilot X7 20000mAh Power Bank Dual USB Port External Battery Pack

  Get it now on Amazon.com

Recognized as the latest version of POWERADD i.e., Pilot X7 is made up from Li-polymer, which is safe and light in weight.

Features:

  • The device is capable to automatically discover the relevant output current of the devices you wish to charge.
  • There is flexibility to charge two devices simultaneously.
  • You can conveniently charge your devices at their full speed.
  • Your device stays protected against the extreme current, overcharging, overheating, and more.

1. F.DORLA Solar Charger 20000mAh Power Bank

 Solar Charger 20000mAh Power Bank-20000mah power banks

  Get it now on Amazon.com

Whenever you are looking for a portable charger packed with super powerful function then this one is for you. You can directly charge it under sunlight.

Features:

  • It comes with built-in lithium polymer battery cells, so you are assured about the overcurrent and short-circuit protection.
  • The power bank comes with great durability because it is made up of ABS+PC+Silicone type of material. Moreover, it also comes with a solar powered bank along with compass and carabiner.
  • Its design is done keeping in mind shock-resistant, water-resistant, as well as dust features.

Concluding Note:

Power banks are the perfect companions while you are away from your house for many hours. You can conveniently charge your devices with full charging capacity using these discussed power bank devices.

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