Best external battery in 2026

external battery
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Finding a reliable external battery for your smartphone is no longer just about capacity. Today's market is flooded with fast-charging standards like PD 3.0 and QC 4.0, which can be the difference between a quick top-up and hours of waiting. Our selection focuses on balancing power density, charging speed, and portability, ensuring you have a reliable backup source that doesn't weigh down your bag or compromise your device's battery health.
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10
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10-32€
Price Range

Interactive Comparison

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Our Quick Picks

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Best Overall
Power Bank 27000mAh 22.5W PD3.0 QC3.0, Fast Charging Portable Charger with 6 Outputs & 2 Inputs, External Battery Pack USB-C In/Out, Compatible with iPhone 17/16/15/14/13/12 and More

Power Bank 27000mAh 22.5W PD3.0 QC3.0, Fast Chargi...

31.99GBP
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Best Choice
HELLEE - Power Bank 27000mAh 22.5W PD3.0 QC3.0, Fast Charging Portable Charger with 6 Outputs & 2 Inputs, External Battery Pack USB-C In/Out, Compatible with iPhone 17/16/15/14/13/12 and More
#1
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  • 【All-in-One Portable Charger with Built-in Cables】Comes with integrated USB-A/Type-C/iOS/Micro-USB cables, compatible with iPhone 17-12, Samsung Galaxy, Google Pixel, iPad, earbuds, smartwatches, etc. No extra cords/adapters neededβ€”one compact power bank meets all your charging needs. Perfect for travel, work, outdoor use to stay powered anywhere.
  • 【22.5W Ultra-Fast Charging】Delivers 22.5W super fast charging, 70% faster than standard portable chargers. Supports smart adaptive charging: auto-detects devices to match voltage, protects battery health. Minutes of charging gives a noticeable boost, cutting wait time at airports/cafes/commutes.
Β£31.99 44.25 GBP
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IGGPBB - Power Bank, 26800mAh Portable Charger Battery Pack, External Battery with 2 Port & 2 Cables, Fast Charging Powerbank Compatible for iPhone 16 15 14 13 12, Android Phone and More
#2
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  • FAST CHARGING POWER BANK​​: With a massive 26800mAh capacity, this portable charger is designed for all-day power. It features advanced fast-charging technology capable of refilling supported devices like the iPhone from 0% to 50% in just 30 minutes* when using the correct cable. Carry this single power bank to stay powered up all day and eliminate battery anxiety
  • CHARGE UP TO 4 DEVICES SIMULTANEOUSLY: The fast charging power bank features 1 Type-C input/output port, 1 built-in Type-C input/output cable, 1 USB-A output port, and a built-in Lightning output cable, allowing you to charge up to 4 devices at the same time. Perfect for travel, commutes, or the coffee shop, it effortlessly charges a combination of phones, tablets, headphones, and more. It’s the ultimate solution for staying connected and sharing power with friends, family, or colleagues. (Adapter NOT included)
Β£21.84
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HELLEE - Power Bank Fast Charging 10000mAh,22.5W Portable Charger(USB-C Input & Output), PD 3.0 QC 3.0 External Mobile Phone Batteries,6 Output & 2 Input, Compatible with iPhone 17 16 15 14 13 12
#3
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  • All-in-One Portable Charger with Built-in Cables: This power bank features integrated USB-A / Type-C / iOS / Micro-USB, making it compatible with all your devices. Widely compatible with iPhone 17/16/15/14/13/12, Samsung Galaxy, Google Pixel, iPad, headphones, smartwatches, and more - with just one compact power bank! No extra cords or adapters needed, Perfect for travel, work & outdoor adventures,stay powered anywhere, anytime
  • 22.5W Ultra-Fast Charging: Industry-leading speed, experience 22.5W super fast charging that juices up your devices 70% faster than standard portable charger! our power bank supports smart adaptive charging, auto-detects your device and delivers the perfect voltage, protects battery health with intelligent power regulation charges.For fast-charging devices, just a few minutes can provide a noticeable power boost, dramatically reduces waiting time at airports/cafes/commutes,revents slow-charge frustration with consistent high-speed output
Β£15.99 29.49 GBP
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INIU - INIU Power Bank, Portable Charger 10000mAh Slimmest & Lightest High-Speed USB C Input & Output, PowerBank Triple 3A Phone Battery Pack, Travel Charger for iPhone 17 16 15 14 Plus Pro Samsung iPad etc
#4
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  • 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, so we do have the confidence to provide an industry-leading 3-Year iNiu Care.
  • Market's Thinnest 10000mAh: The thinnest 0.5-inch body breaks the limit of 10,000mAh power banks. Lighten travel lovers’ pockets extremely, yet mighty for a whole weekend getaway.
Β£13.96 18.99 GBP
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charmast - Charmast 26800mAh Power Bank USB C Battery Pack Portable Charger USB C Slim Type C Battery Bank with 3 Input & 4 iSmart Output compatible with Smartphones Tablets and More (Black)
#5
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  • πŸ”‹βš‘πŸ”‹γ€Massive 26800 Capacity】Made by High Quality Battery Pack, Perfect battery backup phones, tablets,and more.Fast charging iPhone 7/6/6s 8.5 times,7/6Plus 5 times, Galaxy S8/S7 5 times and S6 6.5 times.
  • πŸ”‹βš‘πŸ”‹γ€USB Type-C Input &Output】The Bidirectional USB Type-C Port both supports Fast in and out. Use your Original Type-C to Type-C cable to charge your USB C devices. Up to 2.6A/3A input and output with USB Type-C port, fully recharge the power bank at around 9Hrs.
Β£19.54 24.99 GBP
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LKOUY - Power Bank Fast Charging 10000mAh, 22.5W Portable Charger(USB-C Input & Output), PD 3.0 QC 3.0 External Mobile Phone Battery with LED Display, Compatible with iPhone 17 16 15 14 13 12 Pro Max and More
#6
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  • 22.5W Ultra-Fast Charging: Equipped with 22.5W PD fast-charging technology, this power bank delivers charging speeds 3X faster than conventional chargers. Replenish your device to 50% in just 30 minutes, Whether you're rushing out the door or embarking on a long journey, experience instant energy replenishment on the go.
  • Ultra Slim Compact Design: Effortless Portability, Featuring aerospace-grade ultra-thin design, this compact portable charger weighs a mere 162g. With dimensions of 10.6 x 6.86 x 1.6 cm, it fits comfortably in your palm and is perfect for travel. You can easily store them in your bag without taking up much space or weight. making it the ideal companion for business trips and outdoor adventures.
Β£12.99
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Anker - Anker Zolo Power Bank, 10,000mAh 30W High-Speed Portable Charger with Built-In USB-C Cable, Fast Charging Battery Pack for iPhone 17/17 Air/17 Pro/17 Pro Max/16/15 Series, Galaxy, iPad, and More
#7
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  • Speedy 30W Charging: Experience the cutting-edge speed of 30W fast charging technology that propels your iPhone 15 from 0 to 57% battery in just 30 minutes.
  • Ready for Endless Use: Crafted for durability, the 5.4-inch built-in USB-C cable is tested to endure over 10,000 bends, ensuring it stands up to the rigors of everyday use.
Β£13.98 19.99 GBP
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YOBON - Power Bank 10000mAh Portable Charger Slim External Battery Pack with 2 USB 2.4A Outputs and USB C in/Out Compatible with Huawei iPhone 15 14 13 12 iPads Samsung S20 Android Tablet (Black, Large)
#8
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  • 【Confidence from YOBON:】 YOBON is a manufacturer with 15 years of experience. Providing quality devices at unbeatable prices is our main advantage. We use only the highest quality materials, so we offer an industry-leading warranty of 3 years confidence.
  • 【Dual 2.4 A outputs + micro and Type-C input】 Dual USB output and input speed reach up to 2.4 A, provides amazingly fast charging. can charge any combination of devices at full speed.
Β£9.99
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OHOVIV - Power Bank Fast Charging 26800mAh, Portable Charger PD22.5W, PD3.0 QC4.0 USB-C/USB-A Output, Phone Battery Pack for iPhone 16 15 14 13 Plus Pro Max Mini, Glaxy
#9
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  • 【PD 22.5W Fast Charging Power Bank】Our 26800mAh power bank charges your iPhone at lightning speed, charging it from 0% to 50% in just 30 minutes - 3 times faster than traditional chargers.Ldeal as a portable charger for iPhone 17/17 Air/17 Pro/17 Pro Max,iPhone 16/16 Plus/16 Pro/16 Pro Max, iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone 14/13/12/11, as well as Samsung Galaxy and Google Pixel smartphones.
  • 【2 Ways for Recharging】OHOVIV portable charger features USB-C and micro input ports, allowing you to recharge your power bank in 2 ways. Remember that you use an adapter with QC 18W and above and the original charging cable for fast charging this mobile phone battery pack
Β£17.75 30.99 GBP
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Coblob - Coblob Power Bank 27000mah, Powerbank Fast Charging with Usb C, External Battery Pack, Mobile Phone Portable Charger with LED Display, PD 3.0 QC 4.0 Charging Bank with 3 Outputs & 2 Inputs (Black)
#10
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  • 【PD 30W Fast Charging Power Bank】Our 27000mAh power bank charges your iPhone at QC4.0 speed, charging it from 0% to 61% in just 30 minutes - 3 times faster than traditional chargers, best for travel camping essential
  • 【2 Ways for Recharging】 Coblob portable charger features USB-C and micro input ports, allowing you to recharge your powerbank in 2 ways. Remember that you use a 9V/2A adapter and the original charging cable for fast charging this mobile phone battery pack
Β£18.99
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Our Expert Verdict: external battery

AI
For most users, a 10,000mAh unit with PD support is the ideal sweet spot for portability and power. High-capacity units are better suited for tablets or multi-day trips.

Market Overview: external battery

AI
The market is shifting toward higher wattage outputs and integrated cables, reducing the need to carry extra wires while increasing efficiency for modern smartphones.

Buying Guide: external battery

AI
When shopping for an external battery, look beyond the capacity number. Prioritize USB-C PD support, actual output wattage, and the physical size of the unit for your specific use case.

Selection Criteria

Products were selected based on a combination of user ratings, verified purchase reviews, and a balance of price-to-performance ratio, specifically focusing on fast-charging standards.

Budget Advice

AI
Entry-level models are typically slim and lower capacity, while mid-range options offer a balance of speed and power. Premium units usually feature higher wattage and more ports.

Conclusion: external battery

AI
Choosing the right power bank depends on whether you prioritise speed or raw capacity. Explore our full list of the top 10 external batteries to find the perfect match for your daily commute or next big adventure.

Frequently Asked Questions

AI
mAh (milliampere-hours) refers to the capacityβ€”how much total energy the battery pack can hold. Wattage (W) refers to the speed at which that energy is delivered to your phone, which is the most critical factor for fast-charging capabilities.
Most airlines allow power banks under 100Wh (roughly 27,000mAh) in carry-on luggage. However, always check with your specific airline's regulations as batteries are prohibited in checked luggage for safety reasons.
To achieve the fastest speeds, use a USB-C to USB-C cable if both your device and the power bank support it. This is the latest standard for Power Delivery (PD) and is most efficient.

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Why Trust This List?

Data-Driven Selection

Analysis of 0 verified customer reviews

Regularly Updated

Last updated 1 ΠΌΡ–ΡΡΡ†ΡŒ Ρ‚ΠΎΠΌΡƒ

Independent Analysis

Objective criteria: rating, price, popularity

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Power Bank 27000mAh 22.5W PD3.0 QC3.0, Fast Charging Portable Charger with 6 Outputs & 2 Inputs, External Battery Pack USB-C In/Out, Compatible with iPhone 17/16/15/14/13/12 and More
πŸ₯‡ #1

Power Bank 27000mAh 22.5W PD3.0 QC3.0, F...

31.99 GBP
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