Top 10 Best 20000mah Power Banks In 2020

The distress of the device’s battery getting low while outdoor is panic and you may have suffered from such hassles at some point in your life. Generally, it is not a recommended idea to let the phone’s battery drain so quickly when it is needed the most. Fortunately, there is an easy-to-use solution for such charging issues. The present market consists of high capacity power banks allowing you to charge your device on the go quickly.

Those who frequently go on holidays or weekend trips carry the best portable 20000mAh power bank in the travel bag. You will be amazed to see how efficiently and rapidly the best 20000mAh power bank charges your phone and other devices. Since there are many brands and different models of power banks available currently, it is necessary to make a wise buying decision. To make a smart choice, take a look at the below-discussed best portable 20000mAh power banks.

Here are what we found out about the Top 10 Best 20000mah Power Bank In 2019 on :

10. [Upgraded] POWERADD Pilot X7 20000mAh Power Bank:

The unique specialty of this 20000mAh power bank is it can quickly replenish your device. It suggests that you need not spend your precious time to charge your device through the 2.1A output quickly. So, this POWERADD power bank is capable of delivering the fastest charge speed to the user. Its 2A input design utilizes a 2.1A adapter for presenting the quick charging time which is double than 1A input.

This upgraded power bank comes with the safety guarantee to protect your device against overheating, overcharging, excessive current, and many more. The facility of dual USB ports allows you to charge two devices while outdoors simultaneously. Through the quick 2.1A charge, this Pilot X7 power bank presents the quickest charging speed to you.


  • The enormous capacity of this 20000mAh power bank adds eight solid charges to an iPhone 8. Alternatively, it presents approximately 4.5 charges to iPhone X.
  • Implementation of the Smart USB Charging Tech automatically detects any device to deliver the quickest possible charge speed through 3.4A (max) output.
  • There is the included Li-polymer battery cell, so it suggests that this advanced version is safe and lightweight.
  • Can charge two devices at the same time

9. Aduro 20,000mAh Battery Pack Power Bank:

Equipped with 2 USB outputs ports, this battery pack power bank enables you to charge two devices simultaneously. Besides, there is the provision of a universal micro USB input since a micro-USB cable contained in the pack. The facility of the LED power indicator lets you stay informed about the charging status and residual capacity. Hence, you can quickly know the instant when the power bank runs low and requires recharging.

This large capacity Aduro power bank presents in a premium thin & compact design, so it recommended for portability. It is capable of charge IOS and Android devices multiple times. It owns the potential to charge up to seven smartphones or tablets at 2.5 times through a single charge. Generally, this Aduro power bank is found compatible with USB enabled devices like iPhone X, plus, 8, Samsung Galaxy S9, Note 8, iPad pro…


  • Execution of the smart charge technology allows the USB charging ports to select the finest and quickest amperage rate for devices you use.
  • Fast charging is guaranteed while maintaining your device safe against overheating, overcharging, and more.
  • Excellent compatibility present through the dual output and universal input.
  • High-quality built, easy to carry around and also best for the traveler.

8. Tinkon 20000mAh Portable Power Bank Quick Charge 3.0:

Tinkon 20000mAh cames with the fast charging and USB output. This portable power bank is exceptionally safe to charge. With the help of built-in Intelligent power manage IC, your device stays protected against the surplus current, overcharging, and overheating. Inclusion of the dual type-C/USB input/output ports automatically recognizes connected devices and maintains output current and also auto stop when devices fully charge. This Tinkon power bank can seamlessly charge two smart devices simultaneously.

Due to its high 20000mah capacity, sufficient capacity is presented to make sure your device works without any hassles and to keep your device alive. There is a built-in LED flashlight equipped with adequate brightness to assist you in emergencies. Compared to other cheap quality portable power bank, this model of Tinkon 20000mAh power bank is more efficient and faster in operation. Hassles associated with low battery issues will not happen again.


  • It is easy to quickly charge output & input via the dual Type-C/USB ports. These ports are 5V-3A, 9V-2A, and 12V-1.5A. They facilitate simultaneous charging of your iPhone, iPad, Android, and many other devices at high speed.
  • In this portable power bank package, you get every essential accessory, i.e. a micro USB cable, a user Manual, and 12-month warranty and friendly customer service.
  • Execution of multi-project Technology presents enhanced safety. So, it supports over-discharged, over-charged, over-current, over-voltage, and short circuit protection.
  • Its operation automatically shuts down when a short circuit or overload output takes place while charging.
  • It can also charge multiple times.

7. US 20000mAh Car Jump Starter Battery Charger:

The high-quality battery charger comes up with USB output and presents excellent battery charge time and quick charging mechanism. It comes with a battery charge time of 5-7 hours. It is possible to utilize the AC charger or car charger to charge this US 20000mAh Car Jump Starter Battery Charger. According to your need, this US 20000mAh charger can charge at your home and car.


  • The output power from this jump starter is 5V -12V-19V/0.5A -2A-3.5A.
  • Once fully charged, this car battery charger can start a vehicle for about 10-20 times.
  • Its superior quality LED Torch can deliver lighting for approximately 40 hours.
  • It comes with the over-charge short circuit, and over-heat protection.

6. RAVPower Power Bank 20100mAh External Battery Pack :

Intended to present accessibility, this PAV portable charger would keep you informed about the battery level. It would conveniently start the flashlight just by pressing the power button once. Glancing at its appearance, this battery pack stays intact and retains new look due to the matte finish. Its body is fingerprint proof and light-scratch proof. Huge 16750mAh of power presented in spite of being compact in design.

Its slim silhouette with high charging capacity functions to recharge your Galaxy S8 for 3.3 times, iPhone 7 for 5.5 times, or an iPad Air 1. It can fully charge in less than 9-10 hours for use on the go. Moreover, the included flashlight helps a lot in emergencies or whenever a light is required.


  • The facility of dual charging can flawlessly energize up to 2 smartphones/tablets simultaneously. Its total output current is 4.5A.
  • Its structure includes a functional A+ Lithium-ion battery to sustain more than 500 charge cycles for extended service life.
  • It comes with the over discharge and voltage surge protection. Furthermore, it would automatically shut down its operation if a charging error takes place.
  • In the RAVPower battery pack, you would get this deluxe series 16750mAh charger, two micro USB charging cables, a carry pouch, a user guide, and 18-months warranty.

5. Portable Charger 20000mAh, (Ultra-High Capacity) Ainope External Battery Pack:

Two devices can simultaneously charge at full speed through the Ainope 20000mAh power bank. This power bank comes up with USB output and built-in with high quality, you’ll feel by your own when hands on it. This ultra-high capacity battery pack would instantly power your devices when you connect it with the bank battery through the USB cable. It can seamlessly charge and discharge simultaneously to add to the convenience.

Generally, this Ainope portable 20000mAh power bank is suitable for vacation, overseas business trip, camping and airplane trip. It found that this ultra-high capacity power bank can charge iPhone 8 over 6.5 times, iPad Air2 over 1.5 times and Galaxy S8 over 4.8 times.


  • Execution of the cutting-edge LCD Intelligent Identification Technology allows to you get details of power left. You can quickly know the extra power at any time you wish.
  • Due to the high-speed charging, this portable Ainope power bank offers quick charge for your devices. It can charge your iPhone Xsmax in 90 minutes and Galaxy Note9 in 100 minutes.
  • Battery last long, charge faster and also multiple times charging. And also support quick charge 3.0.
  • The charging compatibility can charge up to 2 devices at the same time and also fast charging.

4. Youtiankai Xiaomi Mi Power Bank 20000mAh:

Excellent charging efficiency offers through USB smart-control and the flawless charging/discharging chips from Texas Instruments. This gives layers of circuit chip protection to enhance the charging efficiency. The included chips are safe and also dedicated to improving the charging conversion rate. This Xiomi Mi power bank can stabilize discharging voltage through the cutting-edge resistance-capacitance sensors for optimizing efficiency and durability.

This 20000mAh battery pack power bank encloses in an environment-friendly PC + ABS plastic case. This case is specially designed to enhance comfort while using. The included plastic utilizes anti-slip pattern to present excellent grip and resistant against scratch.


  • This Xiaomi Mi power bank comes with Micro USB input interface and dual USB output interface.
  • It comes with a 318 mm long, high-quality charging cable. Its flat cable design avoids tangles and encloses in a durable case.
  • Use of the non-toxic TPE material avoids cable damage.
  • The facility of the mirror polishing on the external surface lets you clean this power bank unit easily.
  • For charging compatibility, it can charge android device more than three times. And also come up with incredible charging speed.

3. Portable Charger 20000mAh Quick Charge 3.0 by Alongza:

When you use this 20000mAh portable charger from Alongza, safe charging is guaranteed. How many charges is 20000mah? It can charge IOS device like iPhone XS Max more than 4 times. The quick charge 3.0 charger prevents your device from over-charging, over-discharging, over-current, over-voltage, and short circuit issues. Your devices would stay protected in terms of short circuit protection, surge protection, and more cutting-edge safety features.

This portable quick charge Alongza charger is suitable for a business trip, camping, and other outdoor activities. Outstanding high capacity presented through the use of high-quality Li-ion battery. This battery is intended to enhance the life cycle time by more than 500 times. This quick charge 3.0 could charge iPhone 7 for seven times, Galaxy S6 for five times, and iPad Mini for three times.


  • Execution of the Intelligent Safety Protection automatically shuts the operation whenever the overloaded output or short circuit occurs.
  • The 2-port phone charge QC3.0 18W & 5V/2A output enables the portable power bank to charge Android and Apple smartphones, tablets and several other USB-charged devices.
  • The included LED flashlight could be turned on/off through the double click of the power button.
  • Contains USB output and micro USB input.
  • It’s support quick charge 3.0 and for the power output it comes up with micro USB cable.

2. Oddbox 20000mAh Portable Power Bank:

In this Oddbox portable power bank, the dual USB ports, i.e. 5V2.1A and 5V1A USB type-A outputs, guarantee excellent compatibility. So, it can work seamlessly with a broad range of devices irrespective of current requirements. It looks pretty and very slim. Simultaneous charging of two devices facilitates without any concerns. The built-in numeric LCD screen informs you about the residual battery level.


  • The built-in Intelligently designed circuit protects your devices from overheating, voltage spikes, and overdrawing current.
  • Its package contains a USB charging cable, and a felt carry case and user manuals.
  • It can seamlessly charge an iPad Air/Pro for approximately 2.5 times, Nexus 7 for about 5 times, iPhone 6/6S for about 7 times, HTC M9 for nearly seven times, Galaxy S6 for around 7 times, and several portable devices.
  • The charging compatibility can charge an iPhone XS Max more than three times.

1. Anker PowerCore 20100 – Ultra High Capacity Power Bank :

What sets this Anker power core 20100 power bank unique is its ultra-high capacity. This Anker Power Core power bank unit is found to be lightweight, and it can still charge different powerful devices. These include the iPhone 8, the Galaxy S8, Galaxy S8+, the iPad mini 4. iPhone X series, Xiaomi series, Oneplus Series, and more.

The multi-project safety system from Anker and the superior quality LG battery cells guarantee comprehensive protection for you and your devices. Famous for its portable charging, the PowerCore 20100 presents an excellent size to capacity ratio with the superior charging speeds. During its construction process, premium materials are used to retain charging in your devices.


  • Fast charging facilitates with the combination of PowerIQ and voltage boost. This combination presents the quickest possible charge.
  • In less than 10 hours, this ultra-high capacity power bank can be through a 2 amp charger.
  • In the package, all the necessary accessories included like micro USB cable, welcome guide, travel pouch, and 18-month warranty.
  • Multiple times of charging devices and it can charge your phone more than three times.
  • With this capacity portability, it can charge two phones at the same time. When it fully charges, it can last more than two weeks.

Which is the best brand for power banks? The very best power bank, in our view and the very first on our list, is that the Anker PowerCore 20100 – Ultra High Capacity Power Bank. With its massive capacity, high-quality built-in, quick charging, superb price, and can charge your device multiple times, but most importantly, it can charge two of your devices at the same time. It is essentially a no-brainer unless you’re searching for something particular from a power lender.

For quick charging on the go, the discussed 20000mAh power bank delivers excellent charging power. Now you need not suffer from charging concerns for different outdoor use with the informed choice of the power banks.

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Top 10 Best 20000mah Power Banks In 2020
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