Best Akkubank Test 2026

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Last Updated - 03.02.2026

Best Choice

01

INIU

INIU 45 W Power Bank, 20000 mAh Small Power Bank with Integrated USB-C Cable, Mini Size External Mobile Phone Batteries, USB-C In & Out, Small But Strong for iPhone 17 16 15 14 13 Laptop Samsung

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Once charging, one week power: perfect for travellers and outdoor fans, the 20,000 mAh power bank charges your iPhone 17 up to 4 times. Charge once and have power all week!
New-Gen Ultra-Compact 20,000mAh: Thanks to the industry-leading TinyCell battery technology, this power bank is particularly compact. Enjoy high capacity without the extra weight - ideal for on the go.
From INIU - The Safe Fast Charge Pro: Over 38 million users worldwide trust INIU for the safest charging. Using only the highest quality materials, we confidently offer an industry-leading 3-year INIU warranty.
Charge 3 devices at the same time: battery almost empty? Charge up to 3 devices simultaneously—your phone, tablet, and more—all at once.
Built-in USB-C cable, easy to carry: Never forget your cable again thanks to the built-in USB-C cable - for easy charging on the go.
45W full speed charging for iPhone 17 & Samsung S25: with up to 45W output, this power bank delivers PD, QC and other fast charging protocols. Charge your iPhone 17 to 70% in just 25 minutes and your Samsung S25 Ultra to an impressive 80%.

28,48 €
Value for Money

02

INIU

INIU Power Bank, 20000 mAh Mini Power Bank, 22.5 W Fast Charging Small External Mobile Phone Batteries, USB C Power Bank, External Battery Pack for iPhone 17 16 15 Pro Samsung S25 S24 Airpods iPad

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

What you get: INIU 20000mAh portable charger1, cable1, user manual1, INIU industry-leading 3-year iNiu Care and lifetime technical support.
POCKET SIZE FOR TRAVEL This power bank easily fits in your pocket, chest pocket and other small pockets and is also airworthy, great for travel.
Markt's smallest, Mega Power: The smallest 20,000 mAh power bank, only 1.94 inches diagonal, but strong enough to charge your iPhone 17 four times and Galaxy S24 three times.
CHARGE ALL YOUR DEVICES Equipped with 2 USB-C input/outputs and 1 USB-A output, it can power outdoor gear from smartphones to GPS, camping lights, etc. Supports low current charging mode.
22.5W fast charging: get 75% power in just 25 minutes. No need to hold the power bank constantly, live on at your fast pace!

28,14 €
03

INIU

INIU Power Bank, 20,000 mAh, Fast Charging, USB-C Input & Output, 22.5 W External Mobile Phone Batteries, PD 3.0 QC 4.0, Small, Strong, for iPhone 15/14/13/12 Pro, Samsung Galaxy S23, etc.

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

INIU: The safe professional for fast charging: Experience the safest charging with over 38 million users worldwide. At INIU we use only the highest quality materials.
Charge your phone up to 61% in 30 minutes: With the improved 22.5 W power and the PD3.0 & QC4.0 fast charging technology, your phone can be charged to 61% in just 30 minutes
Charge your iPad Pro up to 34% in 30 minutes: Most power banks on the market cannot charge iPad or charge it at a snail’s pace. However, INIU, with a 22.5 W high speed output, can charge all existing iPads, even the latest, at full speed.
Charge three devices at the same time: With one USB-C port and two built-in USB ports, up to three devices can be charged at the same time. Thanks to the three-port design, you can share this portable power bank with family and friends.
2024 version USB-C input & output: Unlike most chargers that only have one USB-C input, INIU MegaPower 20 W has a USB-C input & output that fits perfectly with your new iPhones, iPad and all upcoming USB-C devices

19,29 €
04

PAIDASHU

Power Bank External Mobile Phone Battery Quick Charging LCD Display Power Bank with USB-C Cable USB C Outputs & Inputs Portable Charger for Smartphone Tablets and Meh X03

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Power bank

14,99 €
05

LGXS

Power Bank 13800 mAh, 22.5 W Power Bank, External Mobile Phone Battery, Quick Charging, USB C Input & Output with LED Display, PD3.0 QC4.0 Portable Charger Compatible with iPhone 16 15 14 13 12 Pro

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

What you get: 1 x 13800 mAh power bank, 1 x USB C cable, 1 x user manual (English language not guaranteed), 1 x CPE bag. The most active customer service team and the strongest technical team at your service.
Super fast QC charging 4.5 A 22.5 W: the power bank has two USB QC 5 V/4.5 A max 22.5 W outputs, fully compliant with the Huawei SCP superfast charging protocol, it is able to provide the fastest possible charge for any device. In addition to the capacity of 13,800 mAh, it can charge the iPhone 16 Pro 2.6 times, the Galaxy S23 2.3 times and the iPhone 8 4.5 times, so you can travel without worrying about your phone running out of power.
Safe charging for external mobile phone battery: the 13800 mAh external mobile phone battery corresponds to flight safety, can be carried on board. Power bank adopts high-quality lithium polymer battery and intelligent chip, monitors current output and temperature in real time for overcurrent and short circuit, avoid the risk of overheating and battery damage to your devices. Ensuring the safety of your devices and extending the life of the battery.
Power bank 20 W fast input: the portable charger with type C inputs, including the type C port, which supports a 20 W fast input, it can be fully charged in just 2 hours and 56 minutes when you use the 20 W charger to charge the battery, compared to other external PD batteries without quick charging function, it saves more than half the time.
Fast charging 13800 mAh power bank: ultra-thin, lightweight and compact power bank, the portable charger is only 16 mm thick and weighs only 223 g, (about the same weight as your average mobile phone) fits easily in bags, handbags or wallets; the minimalist and slim design provides a good grip; ideal for all ages and genders, powerful for a whole weekend trip.
Charge 3 devices at once: the power bank powers 3 devices simultaneously via the PD USB C port (max 20 W) and 2 USB QC outputs (max 22.5 W), identifies the connected device and optimises its charging speed, providing the fastest possible and safest solution. The portable charger that is perfect for sharing with family and friends! The intelligent LED indicators are fantastic and display remaining battery status and the fast charging icon.
20 W PD3.0 type C input and output: the external battery is equipped with a two-sided type C port, which is compatible with the 20 W PD3.0 fast charging protocol, you can charge your iPhone 16 Pro incredibly quickly from 0 to 62% in 30 minutes, adapts perfectly to your iPhone and all upcoming USB-C devices.

9,34 €
06

INIU

INIU Powerbank, Klein Aber Stark 22.5W 10000mAh PD3.0 QC4.0 Tragbares Schnellladegerät, Externer Akku mit Handyhalterung für iPhone 13 12 Pro Samsung S21 S20 Huawei Xiaomi LG iPad Tablet Airpods usw

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

PRODUCT SPECIFICATIONS This power bank measures 4.1×2.6×0.9 inches and delivers an actual usable power of approx. 65% (Industry Standard Efficiency) For optimal fast charging, pay attention to compatibility with adapter and device. Note: This product does not support magnetic attachment.
Half the size of your iPhone: you won't find another power bank with this capacity that is so thin, light and small. As it is only half the size of your iPhone, you can easily put it in any trouser or purse.
From INIU - The safe professional for fast charging: Experience the safest charging with over 38 million users worldwide. At INIU we use only the highest quality materials. Therefore, we are confident to provide an industry-leading 3-year service. If you have any quality problems, we will send you a new replacement!
60% CHARGED IN 30 MINUTES - Supports all popular fast charging protocols to ensure all devices are fully charged in no time. All devices are fully charged in no time.
2025 Version USB C Input & Output: Unlike most chargers with just one USB C input, the INIU PD 10000 features a USB-C In & Out port to perfectly fit your new iPhones, iPads, and all upcoming USB-C devices.

18,36 €
07

A ADDTOP

A ADDTOP Power Bank 26800 mAh - 22.5 W Fast Charging Function Power Bank with 4 Outputs and LED Display, External Mobile Phone Batteries USB-C On/Off, Battery Pack Compatible with iPhone, Galaxy

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ultra-fast charging. Equipped with 22.5 W PD and QC fast charging, this power bank charges your smartphone from 0% to 65% in just 25 minutes - 3 x faster than standard chargers. A premium feature that is rarely found on normal power banks.
Enormous 26,800 mAh capacity provides up to 7 full charges for most smartphones. Ideal for travel, camping, business trips or emergencies - no more battery stress.
Compact & Intelligent Display Lightweight and portable - about as heavy as a smartphone. The integrated LED digital display shows the remaining power at a glance with high accuracy.
Box contents: 1 × 26800 mAh portable power bank, 1 × USB cable, 1 × user manual (English language not guaranteed). Reliable energy and safety - always by your side.
3 x faster charging time. Charge the power bank in just 5 hours with a 20 W USB-C charger (not included). The integrated protection system protects your devices from overcharging, overheating and short circuits.

14,44 €
08

YILANS

Power Bank, 20000 mAh Power Bank, Quick Charge Function, 22.5 W USB-C PD3.0 & QC4.0, Portable External Mobile Phone Batteries with LED Display/Torch, Compatible with iPhone 16 Pro Max 15 14 13 Samsung

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Multi-device charging: this power bank supports all standard fast charging protocols such as PD3.0, QC2.0, QC3.0, DCP and FCP, so your devices are always charged at maximum speed. Compatible with a variety of devices such as iPhone 16/16 Plus/16 Pro/16 Pro Max/15/15 Plus/15 Pro/15 Pro Max/14/13. 12/12 11, Samsung Galaxy S25/S24/S23, Google Pixel and many other USB-C devices.
LED display and torch: the integrated LED display shows the battery level precisely in percent, so you always keep an overview. In addition, the power bank has a bright torch - convenient for camping, travelling or in emergency situations. With IPX4 splash protection and shockproof design, the power bank remains reliable even in extreme conditions (-20°C to 60°C).
Fast charging and high capacity: this 20000 mAh power bank delivers ultra-fast 22.5 W charging thanks to PD3.0 and QC4.0 technology. Ideal for iPhone 17 / iPhone 17 Pro / iPhone17 Pro Max / iPhone 17 Air / iPhone 16 / iPhone 16 Pro / iPhone 16 Pro Max / iPhone 16 Plus, iPhone 15 / iPhone 15 Pro / iPhone 15 Pro Max / iPhone 15 Plus, iPhone 14 / 14 Plus / 14 Pro / 14 Pro Max, iPhone 13/13. 13 Pro/ 13 Pro Max, iPhone 12/ 12 Mini/ 12Pro/ 12 Pro Max and Samsung S25/S24, charges devices up to 3x faster than standard power banks. Charge iPhone 14 from 0% to 61% in just 30 minutes and stay ready to use anytime and anywhere in no time
Compact and lightweight: With only 1.6 cm thickness and 270 g weight, this power bank is hardly larger and heavier than a smartphone. The sleek, matte design provides a high-quality feel, while the flat design fits in any pocket. So you always have a powerful, yet ultra-portable charging option with you – perfect for on the go.
Box contents: 1 x 20000 mAh power bank, 1 x USB-A to USB-C cable, 1 x user manual (English language not guaranteed). Enjoy a 12-month warranty as well as 24/7 customer service. Tip: For the fastest charging of the power bank, please use a charger from 18 W and a cable that supports fast charging - so the power bank is only approx. 4 hours fully charged (Lab Test: YILANS).

16,99 €
09

Anker

Anker Zolo Powerbank (2025 Upgrade), 20000 mAh, 30 W High-Speed Charger with Integrated USB-C Cable, Battery Pack for iPhone 17/16/15 Series, Galaxy and More

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safety upgrade, tested quality: now with upgraded, CB certified battery cells for international safety standards. Charge worry-free and with complete confidence.
Robust and durable: the power bank has a 15 cm long, integrated USB-C cable. This is not only practical, but also robust and can withstand over 10,000 bends without breaking.
Power bank with 20,000 mAh: fully charge your iPhone 16 up to 4 times or your Samsung S24 up to 3.79 times - perfect for travel and long days.
Advanced safety: ActiveShield 2.0 technology measures the temperature 3 million times a day and adjusts the power output to ensure safe charging.
30 W two-way fast charging: charge your devices quickly with 30 W power and recharge the power bank just as quickly with 20 W - so your devices are always ready to use. Charge an iPhone 16 from 0 to 58% in just 30 minutes.

21,99 €
10

BONAI

Power Bank 10000 mAh, BONAI Powerbank Ultra Slim Lightweight USB-C Input & Output 3A Fast Outputs External Mobile Phone Batteries Small But Strong, Compatible with iPhone, Samsung, Xiaomi, Huawei,

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

You will receive: 1 x 10000 mAh power bank, 1 x USB-A to USB-C cable (5V/3A, 21 cm), 1 x user manual (English language not guaranteed). If you have any questions, please feel free to contact us.
Universal compatibility: compatible with all mobile phones and tablets, it is also suitable for smaller devices such as Bluetooth headsets, fitness trackers, smartwatches etc., and is large and powerful enough to be easily carried on board an aircraft.
Ultra slim 10000mAh: with a weight of 229 g and a thickness of only 15 mm, it fits easily in your bag when you are out and about, and the LED light shows the remaining battery level, so you can charge it in time without worrying when travelling.
Three outputs: the power bank has 2 USB-A and 1 USB-C outputs that allow you to quickly charge 3 devices at the same time. USB-C allows bi-directional fast charging, supports high-speed input and output function (both 5V/3A) and brings you great convenience in your work life.
Safety and reliability: This external mobile phone battery has been rigorously tested and tested from design to manufacturing, and the built-in intelligent circuit ensures overcharge and short circuit protection, which better protects your devices while charging.

12,99 €