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Top 10 Best Mini Power Banks in 2021 Reviews

When your phone or tablet is about to run out of juice, and you’re out of range of the mains, the best mini power bank is your ultimate friend in need. Owning a power bank is imperative if you want a happy plane ride, road trip, camping, and other outdoor experiences. But, we both understand that there’s a whole lot of power bank brands, sizes, capacities, and other attributes that make the selection process a bit difficult. That’s where this guide comes in.

We researched and tested various options to come up with a list of the top 10 best mini power banks in 2021. Read through the products and the buying guide that follow for unmatched choices that never fail you and your gadgets. You’re sure to bag the right power bank from the list for your help in the fields or office. So what’s your best choice among these? Let’s go.

List of 10 Best Mini Power Banks in 2021

Last update on 2021-06-13 / Affiliate links / Images from Amazon Product Advertising API

#10. Attom Tech (3000 mAh) Slim Ultra Thin Power Bank

Attom Tech (3000 mAh) Slim Ultra Thin Power Bank

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If you need some little juice to top up your small devices, the 3000 mAh Attom power bank serves you right. The compact device charges your phones and other small gadgets as immediately as you plug them in; no switching on. A highly portable size, shape, and design help make the bank more comfortable to travel with.

Two USB output ports will allow you to charge two power-hungry devices at a go. The ports appear on one side of the device, and the configuration makes it more convenient to use the device. Use the four battery power indicators to know the bank’s prevailing power level. Each of the indicators represents 25 percent of power.

Features
  • It has USB-C and USB-A types
  • Power output: 5V/1A
  • Certified by the FCC, CCC, and RoHS
  • Size: 0.35″ by 2.1″ x 3.3″
  • Battery capacity: 3000 mAh

#9. OYEALEX Mini Power Bank (10.6 ounces)

OYEALEX Mini Power Bank (10.6 ounces)

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No matter your mobile phone’s power input type, the OYEALEX mini power bank is here to charge it. The beautiful, less bulky, and highly powerful offers a juice of 20,000 mAh for more than one device. Carry it with you to the plane, camping ground, and other outdoor destinations to add more hours to your browsing and photo-taking events. The included USB cable has a multiple-output head with both the type-C and A outlets. Both can work simultaneously.

Keep an eye on the power bank’s LCD screen for accurate updates on the power levels. The built-in lighting function will help you maneuver dark areas without a hitch. Enjoy the QC2.0 fast charging technology that saves your valuable time. The power bank itself also recharges quite fast. For quality assurance, the power bank has verifiable certifications from RoHS, FCC, CE, and UL.

Features
  • Power output: 5V/2A
  • The multi-protect system guards your device against electrical disorders
  • It comes with a user manual
  • Comes with a built-in 3-in-1 charging cable and an extra USB output port
  • It features a sleep design and a compact size

#8. The Aibocn Portable Charger

The Aibocn Portable Charger

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The Aibocn power bank is fast, light, and highly powerful. With two USB output ports, you can share happiness with friends and family. Get more than one full charge with a capacity of 10,000 mAh and a fast-charging speed (output). The power bank also charges fast, given the 2A current input rate. Its Li-polymer battery identifies your device’s power needs and protects it from excess current.

Easily throw the power bank into your purse or large pocket whenever you need to take it with you to the plane, car, and other places. The power bank comes with one USB charger; your friends, therefore, need to carry theirs if they need a share of the juice. The user manual (free and included) is there to help you with easy usage and basic troubleshooting.

Features
  • The size: 2.5 × 3.8 × 0.9 inches
  • Weight: 6.5 pounds
  • Power output: 2.4A/5V
  • It recharges within four hours
  • It charges two devices at the same time
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#7. OYEALEX Portable Power Charger (6.3 ounces)

OYEALEX Portable Power Charger (6.3 ounces)

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Here’s another one from the famous OYEALEX quality manufacturer. It’s a lighter, faster, and sleeker one with two USB charging ports and a large LCD screen. The huge 20,000 mAh capacity allows you to charge two devices twice each for a better photo shooting experience. You can easily recharge both your USB and USB mini devices.

With the micro-density polymer battery and other sophisticated technologies, the power bank’s size is way smaller than most others of the same size. Take advantage of this size to easily carry the charging device to any location of your choice. Its 37 Wh is safe for use on the plane.

Features
  • Its current output of 2.1A is ultra-fast
  • It has a built-in led flashlight for moving through darker areas
  • Small weight and size
  • It’s highly compatible with most smartphones
  • It adopts the QC2.0.fast charging technology

#6. The Attom Tech Mini Power Bank (5000 mAh)

The Attom Tech Mini Power Bank (5000 mAh)

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Enjoy the services of this power backup device at a very low price. It’s the second one on our list from Attom, and that passes a message to you that the brand is trustworthy. The power bank charges most smartphones once when on a full charge itself. It has a large capacity of 5,000 mAh and a power output rate of 5V/2A. With two USB outlets, the device can charge two phones at the same time.

Certifications from the FCC, CE, RoHS, and CCC make the power bank more reliable for power and protection against excess current and other electrical harm. You have a full twelve-month warranty when you purchase the original type of power bank. Get 100% of your money back if you aren’t satisfied with the quality of the product.

Features
  • Weight: 3.6 Oz
  • Size: 0.5″ by 2.5″ by 3.7″
  • It features a large LCD screen that displays the power level in numbers
  • It comes with one 2A-rated USB cable
  • Usable with iPhones
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#5. Outxe Mini Power Bank

Outxe Mini Power Bank

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The Outxe power bank comes with a protective silicone case that presents anti-slip, anti-scratch, and durable properties. Get 10,000 mAh charging capacity from the beautifully designed product that comes in the size of a credit card for easy portability. You’re free to choose from its multiple colors that range from blue to yellow, black, and others.

On one side of the external battery, there is a USB-A outlet port, and on the other, a USB-C outlet for your iPhones. It charges via a fast USB-C port that inputs power at a maximum rate of 5V/2.1A. The airport-friendly device also has a multi-protection system that keeps excess voltage and current at bay. It also protects your smartphones, tablets, and other devices from short-circuiting.

Features
  • Has a small weight of 7.23 Oz
  • It features a carabiner to help you with hands-free portability and easy storage
  • Maximum output: 5V/2.4A
  • It comes with power level LED indicators
  • Size: 3.4″ x 2.8″ x 1.1″

#4. iWALK Mini Portable Charger

iWALK Mini Portable Charger

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If you’re an iPod or iPhone owner, here’s your ideal power bank type. The 3500 mAh battery charger adopts a wireless, fast-charging technology with a compact design to improve its looks while giving you an easy time during usage. The pass-through enabled power bank makes it possible to charge it while in use. Therefore, it’ll never run out of power easily.

While not in use, the power bank will turn off after 30 seconds. Otherwise, you needn’t press a button after plugging in your device to charge from the power bank; it’ll turn on automatically. Use the power level indicators to determine whether or not the device is functional, needs some recharging, or more.

Features
  • Weight: 78 grams
  • It comes with an input USB-C cable and a user manual
  • It uses a compact Lithium-polymer battery
  • Capacity: 3500 mAh
  • It’s highly compact
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#3. The Charmast Quick Charge Portable Charger

The Charmast Quick Charge Portable Charger

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With its latest QC 3.0 charging technology, the Charmast mini charging device is an excellent option for travelers, campers, and other outdoor enthusiasts. The power bank has a safe air travel rating and other safety certificates from various regulatory bodies. It protects your phones and tablets from excess voltages, current, and other potentially unsafe electrical parameters.

The power bank has three output ports. Two of them are USB-A types, while the remaining one is a USB-C port for your iPhones and other compatible devices. All three adopt the QC technology. Likewise, there are two input ports, where one is the USB-C type and the other, USB-A.

Features
  • It has a small weight of 6.6 Oz
  • The power bank’s capacity is 10,000 mAh
  • Size: 3.56 by 2.44 by 0.87 inches
  • All the input ports adopt the QC 3.0 charging system
  • It features three output and two input ports

#2. The Anker PowerCore+ Mini Power Bank

The Anker PowerCore+ Mini Power Bank

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This lipstick-sized Anker power bank has a special technology that protects your devices from damage while undercharging. It uses the powerIQ technology to determine your device’s power needs and deliver it at the maximum speed it can take. The convenient LED indicators show you the amount of juice left and whether the device is charging or not.

This round power bank has an ultra-compact design that makes it easy to throw it into your handbag, pocket, or any other place for easy transportation. It’s rated safe for air travel by various regulatory bodies. When you purchase it, the power bank will come wrapped with a welcome guide, micro USB cable, and a travel bag.

Features
  • Capacity: 3350 mAh
  • The frame is made of fall-tested aluminum that lasts long
  • Power output: 5V1A
  • Weight: 3 Oz
  • The size: 3.7″ × 0.9″ × 0.9″

#1. The Clutch Mini Power Bank

The Clutch Mini Power Bank

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Clutch made the best mini power bank with both iPhone and Android users in mind. The small, fast-charging, and long-lasting power bank is ideal for all situations, including traveling on a plane. Its small power capacity serves your phone with basic power so that it doesn’t go off when you need it. Its ultra-small size and thin configuration fit your pocket or small travel bag for easy travel.

Never worry about your devices getting overcharged, short-circuited, or receiving excess electric current. Clutch protects them from all these using an intelligent internal system. The power bank has approval from various bodies that include the FCC, RoHS, CCC, and the CE. Its metallic encasing will ensure that the internal contents are well-protected and that the device’s shape is intact.

Features
  • Capacity: 2300 mAh
  • It weighs only 1.76 pounds
  • It comes with an attached charging cable
  • Size: 3.5 by 2.5 by 0.15 inches
  • Maximum output: 5V/2A
  • It features LED power indicators

Mini Power Bank – Buyer’s Guide

The Capacity: The best favor you’ll do to yourself is giving the first priority to your mini power bank’s capacity. The right capacity ensures that your device gets enough juice whenever it needs some, and vice versa. To get it right, it helps to consider the period within which you’re going to be away from the mains, your battery’s capacity, and usage. A frequent user with more battery capacity will no doubt need a more powerful power bank.  Power bank capacity is measured in mAh (milliamp-hours). A 3000 mAh power bank will precisely recharge a 3000 mAh device battery fully. To be on the safe side, go for more capacity than your device’s battery.

Charging Speed: A fast-charging power bank saves your time, and it’s best to have one that also has a fast power input when taken to the mains. You won’t love missing out on taking the video or photo of a crucial event over long-lasting charging periods, yet there are fast-chargers in the market. All the ten power banks on the list above have fast charging (input and output) configurations, so you’ll get to play your favorite music, watch a movie, and do all time-sensitive activities with your device without a hitch. Some of them even have the pass-through feature that allows you to charge them and your phone at the same time. The choice is yours.

Size and Weight: Finding the balance between the size, weight, and capacity of the best power bank of your choice is vital to its performance and your convenience. A powerful, compact, but lightweight power bank is what you need for an unrivaled experience. While more powerful ones tend to be larger and weightier, finding a line of balance between these attributes is vital to getting a godsend piece.

Number (and Types) of Output Ports: If you have more items to charge, you should equally have more output ports on the power bank. Likewise, having more outputs is vital to having a variety of charging speeds that conform to the configuration of your gadgets. The USB-A port is often common, but with the emergence of USB-C, more power banks are including both ports. Find both of them on the ones that we’ve listed above.

The Brand and Other Considerations: Besides paying attention to its brand name, you should also consider taking home the power bank with the right color, shape, texture, and other factors like the ease of operation, et cetera. A brand name famous for top-quality products is what you need, and that’s what we have for you. Some brand names clinched two spots on our list for their state-of-the-art technologies and qualities. Also, ensure that the price of the device rhymes with your budget.

Conclusion

Leaving home without packing your power bank is unfortunate, but failing to own one is more unfortunate. We’ve reduced the headache that comes with combing the market for the best power bank, and the ones that won a spot here are what you should consider purchasing. Our best choice is the Clutch, but all the ones on the list are failproof. So, choose your budget, color, capacity, brand, size, weight, and speed, among other factors, before settling on one of them. Meanwhile, happy shopping!

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