10 Best Smallest Power Bank of 2026

Last updated on 04/05/2026
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Best Choice
1
9.7
Exceptional
Save 20%
Kuulaa Small Power Bank, Ultra-Compact 10000mAh 35W Fast Charging Portable Charger with Built-in USB-C Cable, Pocket-Size Travel Battery Pack for iPhone 17/16/15, Samsung Galaxy, iPad,Black
Kuulaa

Kuulaa Small Power Bank, Ultra-Compact 10000mAh 35W Fast Charging Portable Charger with Built-in USB-C Cable, Pocket-Size Travel Battery Pack for iPhone 17/16/15, Samsung Galaxy, iPad,Black

20% Off
Why we love it
  • Compact design for travel convenience.
  • Fast charging saves you time.
  • Durable built-in cable for longevity.
Main Highlights
  • 【Small & Ultra-Compact Portable Design】 Designed as a true small power bank measuring just 2.9 × 2.5 × 1.1 inches and weighing only 6 oz this ultra-compact charger is 30% smaller and 15% lighter than others with the same capacity fitting easily into pockets bags or small pouches for everyday carry and travel
  • 【35W PD Fast Charging Performance】 Delivers up to 35W high-speed PD charging nearly twice as fast as standard 18W chargers powering compatible smartphones and tablets quickly so you spend less time waiting and more time staying connected
  • 【10000mAh Capacity for Daily Essentials】 Provides reliable all-day power with up to 2 full charges for iPhone 15 around 2 charges for Samsung Galaxy S24 2 charges for iPhone 14 Pro and multiple recharges for wireless earbuds making it ideal for commuting travel and emergencies
  • 【Built-in USB-C Cable Built to Last】 Features an integrated 6.7-inch USB-C cable tested to withstand over 10000 bends offering dependable durability and instant charging without the need to carry extra cables
  • 【Wide Compatibility & Travel Ready】 Compatible with iPhone 17 16 15 Samsung Galaxy Google Pixel iPad and more includes KUULAA 35W small power bank with built-in USB-C cable user manual 12-month warranty and friendly customer support
9.7
Exceptional
Save 20%
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.6
Superb
Save 11%
INIU Pocket Size Portable Charger, Ultra Small 10000mAh 45W PD Power Bank, Fast Charging Battery Pack, Travel Essentials Powerbank for iPhone 17 16 Pro Air, Xiaomi 17 Pro Max 16 15 14, Samsung S24 etc
INIU

INIU Pocket Size Portable Charger, Ultra Small 10000mAh 45W PD Power Bank, Fast Charging Battery Pack, Travel Essentials Powerbank for iPhone 17 16 Pro Air, Xiaomi 17 Pro Max 16 15 14, Samsung S24 etc

11% Off
Why we love it
  • Safe fast charging.
  • TinyCell Pro 10000mAh.
  • Charges iPhone and MacBook.
Main Highlights
  • From INIU - the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3-Year INIU Care.
  • INIU Redefine Smallest 10000mAh: INIU’s latest 10,000mAh power bank, featuring the industry-first TinyCell Pro battery, redefines the industry standard for the smallest size. It's 45% smaller than the standard 10,000mAh—seeing is believing!
  • 45W Full-Speed Charging Newest iPhone 16 & Samsung S24 : With a maximum output of 45W, it supports PD, QC, and Samsung Super Fast Charging. Enjoy full-speed charging without compromising convenience or speed, whether it’s the latest iPhone 16 or Samsung S24.
  • MacBook Charging, Now in Mini: Truly small yet powerful—while traditional laptop power banks feel like carrying a brick, our ultra-mini 10,000mAh defies expectations. With 45W output, it can even charge a MacBook Air, delivering 42% charge in just 25 minutes—perfect for emergencies without the bulk.
  • Detachable Lanyard USB C Cable: INIU's power bank features a new detachable lanyard cable design for added convenience. This USB-C to C cable supports both charging and recharging and since it's removable, you can easily use it with other power banks or devices.
  • Power for Days 10000mAh: If you're looking for a power bank that covers daily use, short trips, and business travel, 10,000mAh is the perfect choice. It can charge your iPhone 16 twice, your Samsung S24 1.5 times, and your iPad mini 1.5 times.
9.6
Superb
Save 11%
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3
9.4
Superb
Save 22%
INIU 45W Portable Charger, Smallest 20000mAh Power Bank with Build in USB-C Cable, Fast Charging USB C in&Out Battery Pack, Travel Phone Charger for iPhone 17 16 15 Air Samsung S25 S24 Google iPad etc
INIU

INIU 45W Portable Charger, Smallest 20000mAh Power Bank with Build in USB-C Cable, Fast Charging USB C in&Out Battery Pack, Travel Phone Charger for iPhone 17 16 15 Air Samsung S25 S24 Google iPad etc

22% OffLimited time deal
Why we love it
  • Safe and reliable charging experience.
  • Fast charging for multiple devices.
  • Ultra-compact design for convenience.
Main Highlights
  • From INIU--the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3-Year INIU Care.
  • 45W Full-Speed Charging for iPhone 16 & Samsung S25: Delivering up to 45W output, this power bank supports PD, QC, and other fast-charging protocols. Charge your iPhone 16 to 70% in just 25 minutes, or your Samsung S25 Ultra to 80%.
  • New-Gen Ultra-Compact 20,000mAh: Powered by the industry-first high-density TinyCell battery, this compact power bank defies size limits. Enjoy high capacity without the bulk, perfect for on-the-go convenience.
  • Built-In USB-C Cable, Grab & Go: Never forget your cable again with the built-in USB-C cable—charge with ultimate convenience.
  • Recharge Once, Power for a Week: Ideal for travelers and outdoor enthusiasts, the 20,000mAh charges your iPhone 16 up to 4 times. Recharge once and power through the week!
  • Charge 3 Devices at Once: Low on battery? Charge up to 3 devices simultaneously—your phone, tablet, and more—all at once.
9.4
Superb
Save 22%
Limited time deal
Amazon Logo
4
9.3
Superb
Save 23%
INIU Mini Portable Charger, Small 45W PD Power Bank, 10000mAh USB C in&Out Fast Charging Pocket Size Battery Pack, Travel Essentials Powerbank for iPhone 17 16 15 14 Pro Air, Xiaomi, Samsung S24 etc
INIU

INIU Mini Portable Charger, Small 45W PD Power Bank, 10000mAh USB C in&Out Fast Charging Pocket Size Battery Pack, Travel Essentials Powerbank for iPhone 17 16 15 14 Pro Air, Xiaomi, Samsung S24 etc

23% OffLimited time deal
Why we love it
  • Safe and reliable charging experience.
  • Compact size redefines portability.
  • Fast charging for essential devices.
Main Highlights
  • From INIU - the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials, so we do have the confidence to provide an industry-leading 3-Year INIU Care.
  • INIU Redefine Smallest 10000mAh: INIU’s latest 10,000mAh power bank, featuring the industry-first TinyCell Pro battery, redefines the industry standard for the smallest size. It's 45% smaller than the standard 10,000mAh—seeing is believing!
  • 45W Full-Speed Charging Newest iPhone 16 & Samsung S24 : With a maximum output of 45W, it supports PD, QC, and Samsung Super Fast Charging. Enjoy full-speed charging without compromising convenience or speed, whether it’s the latest iPhone 16 or Samsung S24.
  • MacBook Charging, Now in Mini: Truly small yet powerful—while traditional laptop power banks feel like carrying a brick, our ultra-mini 10,000mAh defies expectations. With 45W output, it can even charge a MacBook Air, delivering 42% charge in just 25 minutes—perfect for emergencies without the bulk.
  • Detachable Lanyard USB C Cable: INIU's power bank features a new detachable lanyard cable design for added convenience. This USB-C to C cable supports both charging and recharging and since it's removable, you can easily use it with other power banks or devices.
  • Power for Days 10000mAh: If you're looking for a power bank that covers daily use, short trips, and business travel, 10,000mAh is the perfect choice. It can charge your iPhone 16 twice, your Samsung S24 1.5 times, and your iPad mini 1.5 times.
9.3
Superb
Save 23%
Limited time deal
Amazon Logo
5
9.2
Superb
Xuniktek 10000mAh Small Power Bank，Fast Charge Mini Portable Charger, USB C Input/Output with External Battery Pack, Smart LED Display，Suitable for iPhone, Samsung, iPad and Tablets.
Xuniktek

Xuniktek 10000mAh Small Power Bank，Fast Charge Mini Portable Charger, USB C Input/Output with External Battery Pack, Smart LED Display，Suitable for iPhone, Samsung, iPad and Tablets.

Why we love it
  • Super light and portable design.
  • Mini size fits in pocket.
  • Fast charging for all devices.
Main Highlights
  • 【Super light] This is one of the lightest 10000mAh mobile charging bank, it weighs only 0.4 pounds. You won't like a battery bank that looks like a brick. We have developed the smallest external battery, only 40% of the size of a regular phone, which can be easily carried in a pocket.
  • 【Super Mini] This is the smallest of the 10000 mAh mobile power bank, its size is only 2.7*2.75*0.9inch. The appearance of the full arc design, the design without edges and corners makes your feel and vision more comfortable, and the perfect shape makes the mobile treasure look like a piece of art.
  • 【10000mAh Charging Bank】When your device can't start because it's running out of power, our mobile charging bank can solve your problem, our portable charger provides 3 charges for the iPhone 14, 2.2 charges for the Galaxy S23, and 1.5 charges for the ipad mini.
  • 【 Fast Charge 】 We use QC 3.0 fast charging technology, with a total output of up to 3A, you can fill your phone in 30 minutes. Can support 1 USB-A output and 1 USB-C output at the same time.
  • 【 Safety protection】: Our mobile power supply uses the best quality polymer battery and the most advanced intelligent protection chip to prevent overcurrent, overvoltage, short circuit, high temperature, to provide all-round protection for you and your equipment.
9.2
Superb
Amazon Logo
6
9.2
Superb
Save 17%
INIU Portable Charger, Smallest 22.5W 20000mAh USB C in & Out Power Bank Fast Charging, PD 3.0+QC 4.0 LED Display Phone Battery Pack Compatible with iPhone 17 16 15 14 Pro Samsung S24 Google iPad etc
INIU

INIU Portable Charger, Smallest 22.5W 20000mAh USB C in & Out Power Bank Fast Charging, PD 3.0+QC 4.0 LED Display Phone Battery Pack Compatible with iPhone 17 16 15 14 Pro Samsung S24 Google iPad etc

17% Off
Why we love it
  • Safe charging for over 38 million.
  • Fast charges phone in 30 minutes.
  • Triple ports for sharing power.
Main Highlights
  • From INIU--the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-quality materials, and Industry-Leading 3-Year INIU Care, plus Lifetime Technical Support.
  • Charge Your Phone up to 75% in 30 Mins: With the upgraded 22.5W output plus the latest PD3.0 & QC4+ fast-charge technologies, your phone can be charged at 75% in just 30 minutes.
  • Charge Your iPad Pro up to 34% in 30 Mins: Most power banks in the market cannot charge your iPad or charge at a snail’s pace. However, INIU with 22.5W high-speed output can charge all the existing iPad even the newest one at FULL speed.
  • 2024 Version USB C Input & Output: Unlike most chargers featuring a USB C input only, INIU MegaPower 22.5W has a USB-C In & Out port to perfectly fit your new iPhones, iPad and all upcoming USB-C devices.
  • Charge THREE at Once: With one USB-C port and two USB ports built-in, it can juice up THREE devices simultaneously. Triple-port design allows you to share portable power with families and friends.
9.2
Superb
Save 17%
Amazon Logo
7
9.1
Superb
Save 18%
SIXTHGU Portable Charger, 5000mAh Mini Power Bank, S03 2-Pack Pocket Size Fast Charging USB-C (in&Out), PowerNano T2, Compatible with iPhone Series, Android Phone and More
SIXTHGU

SIXTHGU Portable Charger, 5000mAh Mini Power Bank, S03 2-Pack Pocket Size Fast Charging USB-C (in&Out), PowerNano T2, Compatible with iPhone Series, Android Phone and More

18% Off
Why we love it
  • Ultra portable and compact.
  • Two-pack for sharing power.
  • USB-C in and out.
Main Highlights
  • Ultra-Portable Handy Design: Measuring just 4.2 inches long and 1.0 inch wide, this cylindrical power bank is expertly designed to slip into pockets, small purses, or travel kits. It is the perfect, lightweight companion for daily commutes, flights, and "on-the-go" lifestyles.
  • Double the Power (2-Pack): This value pack includes two 5000mAh mini power banks. Keep one yourself, share one with a friend so you’re both always powered up and ready to go.
  • Advanced USB-C In & Out: Featuring A USB-C port that works as both an input and an output. This simplifies your life by allowing you to charge your devices and recharge the power bank using the same modern cable.
  • Universal Compatibility for All Your Gear: Optimized to handle more than just smartphones. It provides reliable 15W/3A power for Meta VR headsets, PS5 controllers, Raspberry Pi, Arduino projects, iPad mini (Padmini), and even legacy MP3 players.
  • Reliable 5000mAh Capacity: Don't let the "mini" size fool you. Each PowerNano unit packs enough juice to provide a significant boost to your smartphone, ensuring you stay connected for those extra hours when it matters most.
9.1
Superb
Save 18%
Amazon Logo
8
9.0
Superb
Anker iPhone 17 Portable Charger, Nano Power Bank with Built-in USB C Connector, 5,000mAh Portable Charger 22.5W, for iPhone 17/16/15 Series, Samsung S22/23 Series, iPad Pro/Air, AirPods, and More
Anker

Anker iPhone 17 Portable Charger, Nano Power Bank with Built-in USB C Connector, 5,000mAh Portable Charger 22.5W, for iPhone 17/16/15 Series, Samsung S22/23 Series, iPad Pro/Air, AirPods, and More

Why we love it
  • Rapid charging for your iPhone.
  • Tangle-free design for convenience.
  • Compact size fits your lifestyle.
Main Highlights
  • Power Up Your iPhone 15 Swiftly: Enjoy rapid device charging with dual USB-C ports featuring PowerIQ 3.0 technology and a robust 22.5W output, ensuring your iPhone 15 is ready to go when you are.
  • Tangle-Free, Hassle-Free: Experience the convenience of a foldable USB-C connector design that keeps your iPhone 15 charging cable neat and organized, perfect for those who value efficiency and order.
  • iPhone 15 Energy On The Move: With a 5,000mAh battery capacity, stay powered throughout your day, making it ideal for travel and extended periods away from power outlets.
  • Sleek Portability: Slide this iPhone 15 portable charger into your pocket or purse with its compact and stylish design, blending seamlessly with your on-the-go lifestyle and fashion sense.
  • What You Get: Anker Nano Power Bank (22.5W, Built-In USB-C Connector), 2 ft / 0.6 m USB-C to USB-C cable, welcome guide, user manual, 24-month worry-free warranty, and our friendly customer service.
9.0
Superb
Amazon Logo
9
8.9
Excellent
Save 17%
INIU Portable Charger, Ultra Slim 45W Fast Charging with Attached USB C Cable, Flight-Safe 10000mAh PD Power Bank Battery Pack, Travel Essential Phone Powerbank for iPhone 17 16 Samsung S25 Google etc
INIU

INIU Portable Charger, Ultra Slim 45W Fast Charging with Attached USB C Cable, Flight-Safe 10000mAh PD Power Bank Battery Pack, Travel Essential Phone Powerbank for iPhone 17 16 Samsung S25 Google etc

17% OffLimited time deal
Why we love it
  • Safe charging you can trust.
  • Compact size, lightweight design.
  • Quick charging for multiple devices.
Main Highlights
  • From INIU--the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials.
  • Industry First-Seen High-Density TinyCell: INIU's latest 10,000mAh power bank features the market's first high-density cell, making it 30% smaller and 15% lighter than others with the same capacity.
  • Charge iPhone 16 to 60% in 25 Mins: Equipped with a powerful integrated 45W chip. It charges an iPhone 15 to 60% in just 25 mins.
  • Only 5% Got USB-C IN & OUT: INIU stands out with its unique dual USB-C ports, both for input and output. Unlike others only recharge via USB-C port, INIU can charge all devices with your USB-C cables directly.
  • Charge 3 Devices Together: Unlike most devices on the market, our power bank features 2 USB-C ports and 1 USB-A port, allowing charge 3 devices at once in emergencies.
  • What You Get: INIU 10000mAh portable charger*1, 0.12M/0.4ft Lanyard USB-C to USB-C Cable*1, user manual*1, and Industry-Leading 3-Year INIU Care, plus Lifetime Technical Support.
8.9
Excellent
Save 17%
Limited time deal
Amazon Logo
10
8.9
Excellent
INIU Portable Charger, Ultra Slim 10000mAh 45W PD Power Bank, Fast Charging Mini Battery Pack, Travel Trip Family Essentials Powerbank for College Students Travelers Teen Boys Girls, Red
INIU

INIU Portable Charger, Ultra Slim 10000mAh 45W PD Power Bank, Fast Charging Mini Battery Pack, Travel Trip Family Essentials Powerbank for College Students Travelers Teen Boys Girls, Red

Why we love it
  • Safe and fast charging experience.
  • Compact and lightweight design.
  • Charge multiple devices simultaneously.
Main Highlights
  • From INIU--the SAFE Fast Charge Pro: Experience the safest charging with over 38 million global users. At INIU, we use only the highest-grade materials.
  • Industry First-Seen High-Density TinyCell: INIU's latest 10,000mAh power bank features the market's first high-density cell, making it 30% smaller and 15% lighter than others with the same capacity.
  • Charge iPhone 16 to 60% in 25 Mins: Equipped with a powerful integrated 45W chip. It charges an iPhone 15 to 60% in just 25 mins.
  • Only 5% Got USB-C IN & OUT: INIU stands out with its unique dual USB-C ports, both for input and output. Unlike others only recharge via USB-C port, INIU can charge all devices with your USB-C cables directly.
  • Charge 3 Devices Together: Unlike most devices on the market, our power bank features 2 USB-C ports and 1 USB-A port, allowing charge 3 devices at once in emergencies.
  • What You Get: INIU 10000mAh portable charger*1, 0.12M/0.4ft Lanyard USB-C to USB-C Cable*1, user manual*1, and Industry-Leading 3-Year INIU Care, plus Lifetime Technical Support.
8.9
Excellent
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Related Deals You Might Like for Smallest Power Bank

📊We scanned 573 products
🔍
We reviewed the most relevant Smallest Power Bank offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Kuulaa, INIU, Xuniktek, SIXTHGU, Anker, known for dependable quality and smart design.
⭐
To determine today's best Smallest Power Bank, we analyzed 2866 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
Kuulaa Small Power Bank, Ultra-Compact 10000mAh 35W Fast Charging Portable Charger with Built-in USB-C Cable, Pocket-Size Travel Battery Pack for iPhone 17/16/15, Samsung Galaxy, iPad,Black

Our overall winner is Kuulaa Small Power Bank, Ultra-Compact 10000mAh 35W Fast Charging Portable Charger with Built-in USB-C Cable, Pocket-Size Travel Battery Pack for iPhone 17/16/15, Samsung Galaxy, iPad,Black by Kuulaa. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Compact design for travel convenience.
✓Fast charging saves you time.
✓Durable built-in cable for longevity.
💎 Best Value
INIU Pocket Size Portable Charger, Ultra Small 10000mAh 45W PD Power Bank, Fast Charging Battery Pack, Travel Essentials Powerbank for iPhone 17 16 Pro Air, Xiaomi 17 Pro Max 16 15 14, Samsung S24 etc

The best value for most shoppers is INIU Pocket Size Portable Charger, Ultra Small 10000mAh 45W PD Power Bank, Fast Charging Battery Pack, Travel Essentials Powerbank for iPhone 17 16 Pro Air, Xiaomi 17 Pro Max 16 15 14, Samsung S24 etc by INIU, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
INIU Mini Portable Charger, Small 45W PD Power Bank, 10000mAh USB C in&Out Fast Charging Pocket Size Battery Pack, Travel Essentials Powerbank for iPhone 17 16 15 14 Pro Air, Xiaomi, Samsung S24 etc

The strongest deal right now for Smallest Power Bank is INIU Mini Portable Charger, Small 45W PD Power Bank, 10000mAh USB C in&Out Fast Charging Pocket Size Battery Pack, Travel Essentials Powerbank for iPhone 17 16 15 14 Pro Air, Xiaomi, Samsung S24 etc at INIU, currently at 23% off.

🔄Our Smallest Power Bank ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.