Best Slim Power Banks of 2025

Mike Davis Avatar
Mike Davis
Last Updated: Jan 17, 2025

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Slim power banks are a must-have for anyone who needs to stay connected on the go. These portable chargers are designed to be slim and lightweight, making them easy to carry around in a bag or pocket. They come in a variety of capacities, so you can choose the one that best fits your needs. With a slim power bank, you can charge your phone, tablet, or other devices anywhere, anytime. They are perfect for travelers, students, and anyone who needs to stay connected throughout the day. Plus, they make great gifts for friends and family members who are always on the go.

At a Glance: Our Top Picks

Charmast 26800mAh Portable Charger Cover #TOP 1
Charmast 26800mAh Portable Charger
ftb score rating icon 9.8
Charmast 10000mAh Portable Charger Cover #TOP 2
Charmast 10000mAh Portable Charger
ftb score rating icon 9.7
Anker MagGo 10,000mAh Power Bank Cover #TOP 3
Anker MagGo 10,000mAh Power Bank
ftb score rating icon 9.5

Top 10 Slim Power Banks

#TOP 1

Charmast 26800mAh Portable Charger

W2002C-Fortunate
Black
Charmast 26800mAh Portable Charger Cover
Charmast 26800mAh Slim Portable Charger Power Bank, 15W Fast Charging Battery Pack, Travel Essentials Compatible with iPhone 16/16 Pro/16 Pro Max, iPhone15/14/13/12 Series, iPad, Samsung etc

The Charmast 26800mAh Portable Charger is a high capacity, slim, and lightweight power bank that offers 25% faster charging than similar versions on the market. It features 3A high-speed charging, 4 smart USB outputs, and a versatile USB-C port for fast input and output. It also has UL 2056 certified built-in intelligent safeguards to protect your devices from excessive current, overheating, and overcharging. With its long-lasting battery and 24-month full refund warranty, this is an ideal power bank for your family and friends.

What We Like
Powerful charging capability
Multiple inputs and outputs
Durable and well-made
Long-lasting performance
Convenient size for travel
What We Don't Like
Long recharge time
A bit heavy

Charmast 10000mAh Portable Charger

W1148
White
Charmast 10000mAh Portable Charger Cover
Portable Charger with Built in Cables, Portable Charger with Cords Wires Slim 10000mAh Travel Battery Pack 6 Outputs 3 Inputs 3A Fast Charging Power Bank for Samsung Google Pixel LG Moto iPhone iPad

The Charmast Portable Charger is designed for convenience and efficiency. With built-in cables, you can charge multiple devices without the hassle of carrying extra cords. It features six outputs, allowing you to power up to six devices simultaneously, which is perfect for busy individuals or families. Additionally, the slim design makes it easy to carry, fitting comfortably in your bag or pocket. The digital display shows the exact battery percentage, helping you know when it’s time to recharge. This charger is compatible with a wide range of devices, making it a versatile companion for your tech needs.

What We Like
Multiple built-in charging cables
Compact and portable design
Fast charging capabilities
Digital display for battery life
Long-lasting charge retention
What We Don't Like
Slow to recharge itself
Short charging cables
#TOP 3

Anker MagGo 10,000mAh Power Bank

A1664
Black
10,000mAh
Anker MagGo 10,000mAh Power Bank Cover
Anker MagGo Power Bank, Ultra-Slim 10,000mAh Magnetic Battery Pack, Qi2 Certified 15W Ultra-Fast MagSafe Compatible Portable Charger, Ergonomic Design, for iPhone16/15/14/13/12 Series Only

The Anker MagGo Power Bank is designed for ultimate convenience and portability. Its ultra-slim profile makes it easy to carry, ensuring you can charge your devices anywhere. With 15W wireless charging, you can quickly power up your iPhone 15 Pro to 50% in just 51 minutes, keeping you connected on the go. The 10,000mAh capacity provides enough power for 1.8 full charges, perfect for daily use or travel. Additionally, its ergonomic design features a matte finish and metal frame, making it comfortable to hold and use, while aerogel insulation keeps it cool during charging.

What We Like
Strong MagSafe connection
High capacity (10,000 mAh)
Compact and slim design
Fast charging capability
Durable build quality
What We Don't Like
Slightly heavier than expected
Can get warm during use

Anker PowerCore 10K Power Bank

A1229
Black
1 pack
Anker PowerCore 10K Power Bank Cover
Anker Power Bank(PowerCore 10K),Compact Travel-Ready 10,000mAh Battery Pack with PowerIQ Charging Technology,5V/3A High-Speed Charging for iPhone,iPad,and More (USB-C Input and Output(Black),1pack)

The Anker PowerCore 10K is designed for those who need reliable power on the go. Its slim and lightweight design makes it easy to carry, fitting comfortably in your bag without weighing you down. With the ability to charge your iPhone 15 twice, Galaxy S23 nearly twice, and iPad mini 6 once, you won’t have to worry about running out of battery during your day. The durable construction ensures it can withstand drops, while the two-way USB-C charging feature simplifies the process of recharging the power bank and your devices efficiently.

What We Like
Compact and lightweight design
High capacity (10,000mAh)
Fast and efficient charging
Durable build quality
Excellent customer service
What We Don't Like
No fast charging for all devices
Micro USB input only
#TOP 5

LISEN 0.3'' Ultra Slim MagSafe Charger

2E421
Glacier Gray
0.3‘’
LISEN 0.3'' Ultra Slim MagSafe Charger Cover
LISEN 0.3‘’ Ultra Slim MagSafe Portable Charger iPhone,Alloy 5,000mAh Magnetic Wireless Card Power Bank,MagSafe Battery Pack for iPhone 16/15/14/13/12,Valentines Day Gifts for Men Women,Glacier Gray

The LISEN MagSafe Charger is designed for those who are always on the go. Its ultra-slim profile makes it easy to carry without adding bulk, ensuring you stay mobile while keeping your devices charged. With fast charging capabilities, you can power your phone up to 100% in just two hours, saving you precious time. The built-in safety features provide peace of mind, protecting your phone from overcharging and overheating. Plus, its strong magnets ensure a secure connection, preventing slips and drops as you use your device throughout the day.

What We Like
Lightweight and slim design
Effective wireless charging
Good for moderate battery boost
Compatible with multiple devices
Responsive customer service
What We Don't Like
Charging speed may vary
Can get warm during use

BONAI 10000mAh Slim Power Bank

4GS-C
Black
BONAI 10000mAh Slim Power Bank Cover
Portable Charger 10000mAh Slim Power Bank BONAI, 5V/3A USB-C In&Output High-Speed Charging Battery Pack, External Phone Battery Bank for iPhone Galaxy Android iPad Apple Watch AirPods and more - Black

The BONAI Slim Power Bank is an incredibly lightweight and compact charger, making it perfect for your busy lifestyle. With a slim design and weighing only 8.08 ounces, it easily fits into your bag, so you can carry it anywhere. It provides powerful charging capabilities, allowing you to recharge your iPhone 15 up to 2.5 times or your Galaxy S22 up to 2.3 times. Plus, its USB-C port enables fast charging, fully recharging the power bank in just 3.5 hours. Safety is a priority, as it includes technology to prevent overcharging and overloading, ensuring your devices stay protected.

What We Like
Compact and powerful
Fast charging capability
Wide compatibility
Sleek design
Great for travel
What We Don't Like
Short charging cable
Charging display lacks detail
#TOP 7

Charmast 10000mAh Portable Charger

W1148
C-Blue
Charmast 10000mAh Portable Charger Cover
Portable Charger with Built in Cables, Portable Charger with Cords Wires Slim 10000mAh Travel Essentials Battery Pack 6 Outputs 3A High Speed Power Bank for iPhone Samsung Pixel LG Moto iPad

The Charmast Portable Charger is designed for ultimate convenience, featuring built-in cables that eliminate the need for multiple chargers. With three output cables, you can charge various devices, including iPhones and Androids, all at once. It supports six devices simultaneously, making it perfect for those with multiple gadgets. The slim design and lightweight build ensure it fits easily in your bag, while the digital display lets you monitor battery life accurately. This charger is universally compatible, so you can use it with nearly any device you own.

What We Like
Compact and lightweight design
Fast charging capabilities
High capacity (20,000mAh)
Multiple charging ports
Built-in cables available
What We Don't Like
Slow to recharge itself
Occasional lack of USB adapter
#TOP 8

JONKUU 10000mAh Portable Charger

Black
JONKUU 10000mAh Portable Charger Cover
Portable Charger 10000mAh, Power Bank 22.5W Fast Charge, Slim Battery Backup with USB C in/Out, LCD Display External Battery Pack Compatible with iPhone 16 15 14 13 12, Samsung, Google, Android etc

The JONKUU Portable Power Bank is designed for convenience and speed. With 22.5W fast charging capability, you can quickly power up your devices, getting your iPhone 14 from 0 to 60% in just 30 minutes. Its compact size makes it easy to carry, fitting comfortably in your bag or pocket without adding weight. Additionally, the power bank features three output ports, allowing you to charge multiple devices at once. The LCD display keeps you informed about the remaining battery life, so you’ll always know when it’s time to recharge.

What We Like
Portable and lightweight
Fast charging capability
Multiple device charging
Clear LCD display
Affordable price
What We Don't Like
May not hold full capacity

INIU Portable Charger, 22.5W 10500mAh

BI-B6
Black2
Classic Size
INIU Portable Charger, 22.5W 10500mAh Cover
INIU Portable Charger, Slimmest Fast Charging 10000mAh USB C in/Out Power Bank, 22.5W PD3.0 QC4+ Battery Pack, Portable Phone Charger for iPhone 16 15 14 13 12 Pro Samsung S22 S21 Google AirPods iPad

The INIU Portable Charger is a slim and powerful power bank with a 10500mAh capacity. It features advanced PD 3.0 & QC4+ fast charging technologies, allowing it to charge your new iPhone from 0 to 65% in just 30 minutes. The charger is stored in an incredibly slim body that is 36% thinner, 15% smaller, and 28% lighter than its counterparts. It has a USB C In & Out port to perfectly fit your new iPhones, iPad and all upcoming USB C devices. The charger can provide Samsung S8 with 2.3 charges, iPhone 8 with 3.6 charges, AirPods Pro with 13.2 charges and iPad with 1.2 charges. Plus, it comes with a travel pouch, user manual, and INIU industry-leading 3 years warranty and lifetime technical support.

What We Like
Lightweight and compact design
Fast charging capability
Multiple device compatibility
Battery indicator display
Good value for the price
What We Don't Like
Slide-out tab could be improved

TORRAS MiniMag Power Bank

MS19
Glacier Gray
5,000mAh
TORRAS MiniMag Power Bank Cover
TORRAS MiniMag Power Bank, Ultra Slim 5,000mAh Wireless Portable Charger with USB-C Cable, Fast Charging Magnetic Battery Pack, Magsafe-Compatible Charger for iPhone 16/15/14/13/12, Glacier Gray

The TORRAS MiniMag Charger is an ultra-slim and lightweight power bank that fits seamlessly into your daily routine. Its compact design makes it easy to carry, allowing you to charge your phone on the go without the bulk. With super-fast charging capabilities, you can power your device up to 100% in just two hours, saving you valuable time. The magnetic charging feature adds convenience, letting you attach it to your phone without fumbling with cables. Plus, its durable battery ensures long-lasting performance, as it can be recharged over 500 times without aging, so you can rely on it for years to come.

What We Like
Ultra slim and lightweight
Strong magnetic connection
Fast charging capability
Great size for portability
What We Don't Like
No passthrough charging
Warm during use
Buying Guide Image

Everything You Need to Know About Slim Power Banks

How to Choose the Best Slim Power Banks

As technology continues to advance, our reliance on mobile devices has increased dramatically. From smartphones to tablets and laptops, we use these devices for everything from communication to entertainment and work. However, all these devices have one thing in common: they need power to function. This is where slim power banks come in.

Slim power banks are handy, portable devices that can quickly charge your mobile devices when you're on the go. They are sleek, lightweight, and easy to carry in your pocket or bag. However, with so many options available on the market, it can be challenging to choose the right one. In this article, we'll guide you through some key factors to consider when selecting the best slim power bank for your needs.

Capacity

Capacity is one of the most critical factors to consider when choosing a slim power bank. It determines how many times you can charge your device with the power bank. The capacity of a slim power bank is measured in mAh (milliampere-hours). Generally, the higher the mAh rating, the more power the power bank can store.

When choosing a slim power bank, consider the capacity of your device's battery. For instance, if your smartphone battery has a capacity of 3000mAh, a power bank with a capacity of 5000mAh can charge your device at least once. If you plan to charge multiple devices or use your device heavily, you may need a power bank with a higher capacity.

Portability

Portability is another crucial factor to consider when selecting a slim power bank. The whole point of a slim power bank is to have a device that is easy to carry around. Therefore, you should choose a power bank that is lightweight, compact, and easy to fit in your pocket or bag.

When choosing a slim power bank, consider the physical dimensions and weight. A slim power bank that is too bulky or heavy defeats the purpose of being slim and portable.

Charging Speed

Charging speed is also an important consideration when selecting a slim power bank. Some power banks may charge devices more slowly than others. Therefore, you should choose a power bank with a fast charging speed to ensure that your device charges quickly.

When choosing a slim power bank, look for one with a high output current. The output current is measured in amps (A). The higher the output current, the faster the charging speed.

Safety Features

Safety is paramount when it comes to charging your devices. Therefore, you should choose a slim power bank that has safety features to protect your devices from power surges, short circuits, and overheating.

When choosing a slim power bank, look for one with built-in protection features such as overvoltage protection, overcurrent protection, and temperature control. These features will ensure that your devices are safe while charging.

Conclusion

In conclusion, choosing the best slim power bank can be a daunting task. However, by considering the factors discussed in this article, you can make an informed decision. Remember to consider the capacity, portability, charging speed, and safety features when selecting a slim power bank. With the right slim power bank, you can keep your devices charged on the go.

Frequently Asked Questions (FAQs)

1. What is the smallest and lightest portable power bank?

The T-Core Ultra-Compact High-Speed Power Bank is considered the smallest and lightest portable power bank in the market. It is about half the size of a bank card and fits perfectly in the palm of your hand.

2. What is the smallest but most powerful power bank?

The Nimble Champ is recognized as the smallest yet most powerful power bank available. It manages to pack an impressive 10,000 mAh capacity into a package approximately the size of a credit card.

3. What is the lightest and compact power bank?

The Mophie Powerstation Mini Universal Battery is a great option for a lightweight and compact power bank. With a capacity of 5,000mAh, it is suitable for daily use and allows charging multiple devices simultaneously through its USB-C and USB-A ports.

4. Are power banks getting smaller?

Yes, power banks are indeed getting smaller in physical size despite phones getting bigger. Technological advancements have enabled increased power output without the need for larger physical dimensions.

5. Are cheap power banks worth it?

While cheap power banks may provide basic charging capabilities, the difference in capacity (mAh) between cheap and high-quality power banks is noticeable. High-quality power banks tend to last longer and offer a more reliable charging experience, making them worth the investment.

6. Is it OK to use cheap power banks?

Using cheap power banks may come with risks, as some unknown manufacturers may use poor-quality materials that could pose safety hazards. It is advisable to purchase power banks from trusted brands with safety certifications to ensure reliability and avoid potential issues like explosions.

Editor's Notes

During our slim power bank research, we found 24 slim power bank products and shortlisted 10 quality products. We collected and analyzed 564,324 customer reviews through our big data system to write the slim power banks list. We found that most customers choose slim power banks with an average price of $23.78.

The slim power banks are available for purchase. We have researched hundreds of brands and picked the top brands of slim power banks, including Charmast, Anker, LISEN, BONAI, JONKUU. The seller of top 1 product has received honest feedback from 2,514 consumers with an average rating of 4.9.

Written by
Mike Davis Avatar

Mike Davis is a professionally trained electrician with six years of working experience in the electronics industry. He has written an array of web and mobile-based articles for e-magazines and blogs. He loves trying out some novel and popular gadgets and his expertise is in the areas of electronics and computers which is built over many years of working and personal experiences.

Slim Power Banks Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Charmast Charmast Anker Anker LISEN BONAI Charmast JONKUU INIU TORRAS
Battery Capacity 26800 Milliamp Hours 10000 Milliamp Hours 10000 Milliamp Hours 10000 Milliamp Hours 5000 Amp Hours 10000 Milliamp Hours 10000 Milliamp Hours 10000 Milliamp Hours 10500 Milliamp Hours 5000 Milliamp Hours
Color Black White Black Black Glacier Gray Black C-Blue Black Black2 Glacier Gray
Connector Type Lightning, Micro USB, USB Type A, USB Type C For iPhone, Android USB Type C USB-C*1+USB-A*1 USB Type C USB Type C, USB Type A USB Type C - USB Type C, USB Type A USB Type C
Special Feature 4 Outputs, Huge capacity, travel essentials, Slim, Fast Charging Built In Cable Wireless Charging Fast Charging - Lightweight, Slim, Over Charging Protection, Fast Charging, Built In Cable Digital Display, Lightweight, Slim, Built In Cable, Pocket Size Universal Compatibility, Large LCD Digital Display, Over Charging Protection, Portable Charger Fast Charging 22.5W, Slim, Pocket Size, Sleek Design, USB C Input&Output, Portable, Digital Display, Slim, Flashlight, Fast Charging Heat Dissipation System, Slim, Fast Charging, Pocket Size, Wireless Charging
Item Weight - 8.8 ounces 7 ounces 8.5 ounces 5.6 ounces 8.1 ounces 8.5 ounces 5.3 ounces 7.4 ounces 4 ounces
Other display features - Wireless Wireless Wireless Wireless Wireless Wireless Wireless Personal Computer Wireless
Batteries - 2 Lithium Polymer batteries required. (included) 1 Lithium Polymer batteries required. (included) 1 Lithium Polymer batteries required. (included) - 1 Lithium Polymer batteries required. (included) 2 Lithium Polymer batteries required. (included) 2 Lithium Polymer batteries required. (included) 1 Lithium Polymer batteries required. (included) 1 Lithium Ion batteries required. (included)
Special features - Built In Cable Wireless Charging Fast Charging - Lightweight, Slim, Over Charging Protection, Fast Charging, Built In Cable Digital Display, Lightweight, Slim, Built In Cable, Pocket Size Universal Compatibility, Large LCD Digital Display, Over Charging Protection, Portable Charger Fast Charging 22.5W, Slim, Pocket Size, Sleek Design, USB C Input&Output, Portable, Digital Display, Slim, Flashlight, Fast Charging Heat Dissipation System, Slim, Fast Charging, Pocket Size, Wireless Charging
FTB Score
ftb score rating icon 9.8
ftb score rating icon 9.7
ftb score rating icon 9.5
ftb score rating icon 9.3
ftb score rating icon 9.2
ftb score rating icon 9.1
ftb score rating icon 9.1
ftb score rating icon 9.0
ftb score rating icon 8.8
ftb score rating icon 8.6
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