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Best Powerbank 20000 - Holiday Sale

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Last Updated - 16.12.2025

Best Choice

01

INIU

INIU 45 W Power Bank, Ultra Small 20000 mAh Power Bank with Integrated USB-C Cable, Quick Charging External Mobile Phone Batteries, USB-C In & Out, Small But Strong for iPhone 17 16 15 Pro, Samsung S22, Xiaomi, iPad etc

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9.8

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.
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

VARTA

VARTA Power Bank, 20000 mAh, Power Bank, Power on Demand with 4 Ports, 1x Micro USB, 2x USB A, 1x USB C, Compatible with Tablets and Smartphones, in Environmentally Friendly Packaging

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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

Stylish and textured premium design with VARTA brand elements.
Powerful power bank with 4 ports (1 x micro USB input, 2 x USB A output, 1 x bi-directional USB type C) port for simultaneous charging of up to 3 devices
Latest technology: USB type C 5 V/3.0 A input and output for fast charging with up to 15 W.
Developed with VARTA's Advanced Safety Technology, which has been awarded the EU Product Safety Award in Gold
Contents: 1 x VARTA Power on Demand Power Bank, 20000 mAh, frustration-free packaging

27,83 €
03

Intenso

Intenso 7313550 Powerbank XS 20000, Portable Charger, 20000 mAh, Suitable for Smartphone/Tablet PC/Digital Camera, Black

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9.6

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

Various charging options: One USB-A and one USB-C port allow you to charge two devices simultaneously. Input: 5. 0 V, 2. 1 A. Output: 5. 0 V, 3. 1 A. Fast charging is possible via USB-C in/out.
Universal compatibility: The XS20000 power bank is compatible with virtually all USB-rechargeable devices, such as iPhones, Huawei devices, Samsung Galaxy devices, iPad Air/Mini, different smartphones and tablets, Nintendo Switch, action cams, GoPro devices, cameras, sat navs and much more.
Safe and reliable: Blue LED power indicator, surge protection, discharge protection, overcharge protection, short circuit protection.
Gigantic energy reserves: The power bank is equipped with a 20000 mAh capacity, making it ideal for business meetings, festivals and long journeys.
Contents: Intenso XS20000 power bank, USB-A to USB-C charging cable, instruction manual (English language not guaranteed).

14,96 €
04

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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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

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 €
05

UGREEN

UGREEN Power Bank, 20000 mAh 45 W Fast Charging with Integrated USB-C Cable & Bi-Directional 45 W PD, External Mobile Phone Batteries Compatible with Galaxy S25 Ultra/S25+, iPhone 17/16 Series, iPad, Laptop and More

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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

Smart 22.5W compatibility: automatically adjusts the power for devices such as the P20 up to 22.5W and ensures optimal compatibility and safety through a range of protections.
Charge 3 devices in parallel: combine the integrated USB-C cable with 2 USB-C and 1 USB-A ports to charge mobile phone in parallel.
45W fast charge is compatible with most Android devices: charge your Galaxy S25+/S25 Ultra to 61% in less than 30 minutes or charge compatible PD iPhones at high speed.
45 W turbo self-charging (4 hours vs. 6h at 20W): The power bank charges itself with 45W in just 4 hours via USB-C - 2 hours faster than typical 20W power banks.
20000 mAh high capacity: supplies your MacBook Air 13 inch with 1.3 full charges or charges smartphones multiple times. Perfect for long trips and working days.

23,99 €
06

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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9.3

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

26,99 €
07

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, Compatible with iPhone 16 Pro Max 15 14 Galaxy S25 Edge

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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

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).

19,99 €
08

TUXINSUN

Power Bank 20000mAh 22.5W PD3.0 QC4.0 External Mobile Phone Battery PD20W Fast Charging Power Bank with LCD Display USB-C Outputs and Inputs Portable Charger with Smartphones

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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: 20000mAh portable power bank, USB C cable, user manual, 12 months warranty and friendly customer service.
Small and exquisite exterior design with a unique full screen design: let people fall in love with its small and refined at a glance. 20000mAh with high storage capacity. It is a good companion for your office, business trip and travel
PD22.5W Fast Charging Power Bank: the TUXINSUN 20000mAh portable charger is able to charge your iPhone from 0% to 50% in just 30 minutes, 3 times faster than other traditional chargers, keep your device fully charged on the day. Don't worry about your phone being without power.
Intelligent Integrated Circuit The portable power bank works with intelligent integrated circuit, which prevents overcharging, over-voltage, over-current and short circuit in the power bank. It ensures the safety of product quality.
ACCURATE LCD DISPLAY By using the built-in intelligent digital display technology, the accuracy of the energy display is up to 100%, which guarantees that you know the remaining energy clearly and never lose the charging process in time.
3 Outputs & 2 Inputs This charger can charge 3 devices at the same time with its 3 outputs and supports 2 kinds of input ports, allowing you to use any of these cables to charge the power bank.

7,99 €
09

LKOUY

Power Bank 20000 mAh, 22.5 W Mini PowerBank USB-C Input & Output, PD 3.0 QC 3.0 External Mobile Phone Batteries with LED Display, Compatible with iPhone 17 16 15 14 13

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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

Ultra-slim compact design: our power bank is not only ultra-flat and compact, but also feather-light, weighing only 162g. With dimensions of 10.65 x 6.86 x 1.6 cm, it fits comfortably in the palm of your hand and is perfect for travelling. You can easily store them in your bag without taking up much space or weight. You can charge your phone quickly at any time!
Stylish LED display: Stay informed with the intelligent LCD display of our power bank. Simply monitor the current battery level and input/output status, eliminate the guesswork and always know when it's time to recharge
Safe and Protected Our power bank is equipped with a high quality Li-polymer battery, which protects your phone from overcharging, over-current, over-voltage, short circuit and over-discharge. By supporting PD3.0/QC3.0/AFC/FCP protocols, it is specially tailored to various electronic devices and ensures maximum safety and product quality
Charge 3 devices at the same time: This power bank has 1 USB port and 2 Type-C ports, making it perfect for sharing with family and friends. Whether you want to charge your mobile phones, headphones or tablets, this power bank is powerful and versatile, so you always stay connected
22.5W super fast charging: Experience unparalleled speed with our power bank thanks to the 22.5W PD fast charging technology. The charging speed is three times as fast as conventional chargers. Charge your device from 0% to 50% in just 30 minutes and stay ready to use anytime and anywhere in no time

21,84 €
10

Anker

Anker 325 Powerbank, 20000mAh external battery PowerIQ technology USB-C port, huge energy density, compatible with iPhone, Samsung Galaxy, iPad and more

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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

WHAT YOU GET: An Anker 325 powerbank, micro USB cable, user manual, 18-month warranty and friendly customer service. (USB-C cable, Lightning cable and power adapter sold separately).
MULTIPLE CHARGING OPPORTUNITIES: You can recharge your Anker 325 Powerbank flexibly via USB-C or Micro-USB. It takes about 10 hours to charge your powerbank with a 10W power adapter and about 20 hours with a 5W power adapter.
FAST CHARGING: Anker's proprietary PowerIQ technology combined with powerful VoltageBoost technology delivers the fastest and, thanks to the convenient trickle charge, the safest charge for almost any device.
ENORMOUS CAPACITY: The massive power of 20,000 mAh will give your iPhone XS over 5 charges, your Galaxy S10 almost 5 full charges, over 4 charges for your iPhone 11, and over 2.5 charges for your iPad mini 5!
DOUBLE THE STRENGTH: Two USB ports guarantee you top-speed charging for two devices at the same time. (The USB-C port is not designed to charge other devices).

19,99 €