10 Best High Capacity Power Banks in The UK

Last updated on 15/08/2025

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Anker Laptop Power Bank, 25,000mAh Portable Charger with Triple 100W USB-C Ports for Multi-Device Charging, Built-In and Retractable Cables, For iPhone 16/15 Series, Samsung, and More

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Why We Love It

Efficient 165W dual charging.
25,000mAh for long-haul power.
Charge 4 devices simultaneously.

Main Highlights

Triple 100W USB-C Ports for Multi-Device: Designed for multitaskers, featuring three USB-C ports each delivering up to 100W, allowing you to power a MacBook and other devices simultaneously without losing charging speed.
25,000mAh for Long-Haul Power: Set off on extended journeys with a huge 25,000mAh capacity that supports your devices through multiple uses, complete with 100W ultra-fast recharging that fuels the power bank to 30% in just 22 minutes. (Note: This 90Wh power bank complies with airline carry-on regulations for batteries under 100Wh and must be placed in carry-on baggage.)
Dual Built-In Cables for On-the-Go Use: Equipped with two USB-C cables, one extendable up to 2.3 ft for over 20,000 retractions, and another at 0.98 ft that acts as a durable carrying strap capable of enduring more than 20,000 bends.
Charge 4 Devices at Once: Never run out of power, whether you're charging smartphones, tablets, or other USB-enabled devices. Connect up to four at once thanks to dual USB-C Cables, a USB-A port, and a USB-C port.
What You Get: Anker Power Bank (25K, 165W, Built-In and Retractable Cables), travel pouch, user manual, 18-month warranty, and our friendly customer service.

Anker Power Bank, 325 Portable Charger, 20,000mAh Battery Pack with PowerIQ Tech, USB-C Input and Output Ports for iPhone 16/15 Series, Samsung Galaxy, AirPods, and More (PowerCore Essential 20K)

Why We Love It

Massive 20,000mAh battery capacity.
USB-C bi-directional charging port.
PowerlQ fast, safe charging technology.

Main Highlights

Ultra-High Capacity: The massive 20,000mAh capacity provides 3.6 charges for iPhone 15 and 2.9 charges for Samsung Galaxy S23 Ultra.
Bi-Directional USB-C Charging: The USB-C port supports two-way charging with a 15W power for both input and output, allowing you to charge two devices simultaneously.
PowerIQ and VoltageBoost Technology: Experience fast and safe charging for all devices with Anker's leading technology, including a trickle-charging mode for low-power accessories.
Multiple Recharge Options: Choose between USB-C or Micro USB ports to recharge the power bank. Achieve a full charge in just 9 hours with a 15W or higher charger.
What You Get: Anker 325 Power Bank (PowerCore 20K), USB-C cable, welcome guide, our worry-free 18-month warranty, and friendly customer service.

Anker Power Bank, PowerCore 26800mAh Portable Charger with Dual Input Port and Double-Speed Recharging, 3 USB Ports External Battery for iPhone 16/15/14/13 Series, iPad, Galaxy, Android and More

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Why We Love It

Unrivaled charging speed and capacity.
Recharge device twice as fast.
Assured 18-month worry-free warranty.

Main Highlights

The Anker Advantage: Join the 50 million+ powered by our leading technology.
Colossal Cell Capacity: With 26,800mAh of power, this charger can fuel most phones over 6 times, tablets at least 2 times, and other USB devices multiple times. Note: Requires a USB-C cable for use, as this product does not include a USB-C port.
High-Speed Charging: 3 USB output ports equipped with Anker's PowerIQ and VoltageBoost technology ensure high-speed charging for three devices—simultaneously (max output 6A, single-port max output 3A).
Recharge 2X Faster: Dual Micro USB (20W) input offers recharge speeds up to twice as fast as standard power banks—a full recharge takes just over 6 hours while using both input ports (wall charger not included).
What You Get: PowerCore 26800mAh Power Bank, 2X Micro USB Cable, Welcome Guide, our worry-free 18-month warranty and friendly customer service. USB-C cable and Lightning cable for iPhone / iPad sold separately.

INIU 100W Power Bank for Laptop & Phone, Portable Charger with PD QC Fast Charging (USB-C In/Out) - High Capacity Electronics Battery Pack for iPad, Samsung, Travel, Camping, Hiking

22% OffFree Shipping

Why We Love It

Safe and fast charging experience.
Convenient for various devices.
Ideal for travel expeditions.

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.
Flagship Laptop Charging at 100W: Elevate your charging experience with our cutting-edge power bank. It's optimized to deliver a whopping 100W of power, ensuring lightning-fast charging for flagship laptops, enabling you to stay productive without being tethered to an outlet.
USB-C In & Out Convenience: The USB-C IN&OUT port not only efficiently powers your devices via 100W output but also fast recharges the power bank itself with 65W high-speed input power, streamlining your charging setup.
Dual USB-C Outputs for Versatility: Adapt to various charging needs seamlessly with dual USB-C output ports. From the latest smartphones and tablets to laptops and other USB-C devices, this power bank covers them all, making it a versatile companion for both work and leisure.
Full-Speed Charging for Steam Deck: Take your gaming sessions to the next level with the power to charge your Steam Deck gaming console at its maximum speed. Whether you're on a road trip or at a friend's place, keep your gaming adventures going without compromise.
Air Travel Ready: 25,000mAh Capacity: Stay powered up during your travels with a substantial 25,000mAh battery capacity. It offers multiple device charges and is airplane-friendly for on-the-go power, making long flights and layovers a breeze.
What You Get: INIU 100W battery bank*1, 0.3m/1ft USB C to USB C cable*1, user manual*1, travel pouch*1, lifetime technical support.

PDBEST PowerBank 60000mAh Fast Charging, Battery Pack 22.5W Power Bank with USB C, Portable Charger LED Display, 4 Outputs and 3 Inputs Compatible with iPad Tablets iPhone etc.

32% Off

Why We Love It

Long-lasting power for devices.
Fast charging technology support.
Multiple device charging capability.

Main Highlights

Power bank 60000mAh fast cahrging battery pack support over 15 charges for iphone 15 14 times for Samsung S24 portable charger long-lasting can keep the power of your devices over a week.power bank perfect suitable for travel, camping hiking vocation and other ourdoor activities.
The USB-C power bank fast charging features a built-in 22.5W USB-C output and supports the latest PD 4.0 and QC 4.0 fast charging technology power bank 60000mAh can be quickly charged and discharged.
Battery pack allowing it to charge 4 devices simultaneously. power bank 3 input ports (Micro Lightning and USB Type C) can quickly charge most devices. portable charger 3 ports are compatible with different types of mobile devices.
Portable charger 60000mAh built-in LED digital display that will show the exact percentage of the remaining power of the power bank. You don't need to guess the remaining power of the battery pack.
Power bank 60000mAh is equipped with three input ports for recharging: Micro Lightning and USB Type-C. You can charge the portable charger using different types of charging cables.

Power Bank 27000mAh Powerbank Fast Charging 22.5W QC 4.0 Portable Charger with Outputs Inputs Flashlight USB C Battery Pack, Ultra-High Capacity Compatible for iPhone Samsung Huawei

26% OffFree Shipping

Why We Love It

High-capacity for all-day power.
Supports multiple devices simultaneously.
Includes handy emergency flashlight.

Main Highlights

【One Week of Worry-free Portable Charger】JIGA power bank is a high-quality battery pack, with all-day power. It is enough to top up iPhone 3- 5 times, Samsung 3-4 times, the perfect partner for gamers, camping and business trips.
【Power Bank with 2 Inputs & 3 Outputs】2-inputs are Micro-USB and Type-C, providing high convenience charging of this battery pack. 3-outputs can allow you to charge your phone and tablet simultaneously or enjoy power-sharing with your friends and family.
【LED Indicator & Handy Flashlight】The 2024 newly designed 4+1 segment LED indicator, you can always know when the battery is exhausted or fully charged; Long press the power button to turn on/off the super bright flashlight, this is very helpful in emergency lighting situations such as reading and power outages.
【Safest Fast Intelligent Charging】Powerbank Built-in smart chip and Quick Charge 4.0 fast charging 22.5W technology. Adjusting the optimal charging settings to cut the phone's charging time by half protects the device from overvoltage and overcurrent accidents and provides a safer charge.
【What You Get】You will receive 1x JIGA power bank, 1x USB-C Cable, 1x user manual and 24-hours friendly customer service. If you have any questions, please get in touch with us via Amazon E-mail.

56800mAh 65w Huge Capacity Solar Power Bank Portable Charger, Fast Charging Phone Charger, 5 Charging ports, Digital Display& Bright Flashlight, for iPhone,Tablets

3% OffFree Shipping

Why We Love It

Large capacity for extended use.
Durable design for extreme conditions.
Dual outputs for versatile charging.

Main Highlights

【large Capacity Power Bank】56800mAh capacity battery equipped with a high-performance solar panel, anti-explosion, lightweight and reliable，which could charge the battery even under sunlight, eco-friendly and ideal for outdoor use. With the super battery life you don't need worry about device power exhaustion anytime anywhere.perfect for a business trip or on the go. Power bank with LED display shows the remaining battery, and the low power remind will let you know when need be recharged.
【Super Fast Recharging】The solar power bank uses strong professional ABS material, chemical resistant, heat resistant, excellent surface hardness, high elasticity and toughness. IP67 waterproof, dropproof and dustproof, so you no longer have to worry about water/drop damage, it can work in extreme environments. With more than 1600 charge life cycles, it is very reliable and durable.
【Dual Output Ports & Solar Charging 2-in-1 Solar Power Bank】There are two output ports and one Micro USB input port, the solar power bank can be fully charged in 12-15 hours. (Please note: Solar charging is for emergency use only, do not use solar energy as the primary charging source. It is highly recommended to fully charge the device via a wall charger on first use.)
【3 Level Solar Panel Fully Powered for Outdoors】IP67 rainproof, dustproof, shockproof and splashproof. This portable solar charger built-in LED lamp on the bottom and has hooks on the corner. The flashlight is a good choice for camping, hiking, climbing, fishing and etc. It can be used as an emergency solution. With the carabiner, it can hang from the gear like backpack. A MUST-HAVE tool for our door and urgent situations. Never fear the dark again.
【What You Get】1 * Power Bank, 1 * USB Cable, 1 *User Manual, and lifetime friendly customer service, 1 *Mountaineering Buckle. After purchasing our products, if you have any questions, please feel free to contact us and we will definitely offer you the most satisfactory solution.

PDBEST PowerBank 50000mAh Fast Charging, Battery Pack 22.5W Huge Capacity Portable Charger Fast Charging USB-C 3 Outputs & 2 Inputs LED Display Power Bank Compatible with iPhone Android etc

15% Off

Why We Love It

Powerful 50000mAh capacity.
Fast charging capabilities.
Compact and portable design.

Main Highlights

Power bank 50000mAh fast charging 3 USB output and dual input your phone can be charged up to 10 times, portable charger suitable for most electronic devices and various scenario
Battery pack 50000mAh fast charging significantly shortens the charging time of the device, battery pack equiped with 22.5W USB-C to charge iPhone X from 20% to 60% in 30 minutes
Powerbank 50000mAh applicable to most devices, portable cahrger fast charging can support iPhone 14 10 times charges 10 times for Samsung 23 Suitable for camping hiking vacation travel and more
Battery pack 50000mAh works with an intelligent integrated circuit to prevent the power bank from overcharging overvoltage overcurrent and short circuit
Portable charger 50000mAh fast charging with digital display can show the real-time battery level,power bank is a delicate frosted texture with a fine texture which is not only scratch-resistant but also provides a comfortable touch

50000mAh Power Bank：22.5W Fast Charging External Battery with Large Capacity and 5 Outputs & 3 Inputs

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Why We Love It

Long-lasting 50000mAh capacity.
Powers up to 5 devices.
Fast charging saves time.

Main Highlights

𝐑𝐞𝐥𝐢𝐞𝐯𝐞 𝐋𝐨𝐰 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐀𝐧𝐱𝐢𝐞𝐭𝐲🔋 50000mAh Power Bank-Keeps your devices energized at all times, with a full charge lasting up to 15 days.
𝐑𝐞𝐣𝐞𝐜𝐭𝐢𝐧𝐠 𝐅𝐚𝐥𝐬𝐞𝐡𝐨𝐨𝐝𝐬👍 We are a manufacturer specialized in producing high-capacity batteries, guaranteeing absolute real capacity. Customers' evaluations are welcome.
𝐒𝐡𝐚𝐫𝐞 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐚𝐧𝐝 𝐉𝐨𝐲👨‍👩‍👦‍👦 No more worries about low battery on your family members' or friends' devices. One power bank can simultaneously supply power to up to 5 devices.
𝐂𝐡𝐚𝐫𝐠𝐞 𝐅𝐚𝐬𝐭𝐞𝐫, 𝐂𝐨𝐧𝐪𝐮𝐞𝐫 𝐌𝐨𝐫𝐞🔌 Our charger can charge up to 60% in just 30 minutes with a maximum output of 22.5W and a standard output of 18W. Say goodbye to long waiting times and worrying about low battery levels.
𝐒𝐰𝐢𝐟𝐭 𝐑𝐞𝐜𝐡𝐚𝐫𝐠𝐞, 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐆𝐨🛌 It takes 10 hours for a full charge with 18W input and 22 hours for 10W. One night's sleep, the rechargeable battery is ready again.
𝐄𝐱𝐜𝐞𝐩𝐭𝐢𝐨𝐧𝐚𝐥 𝐀𝐟𝐭𝐞𝐫-𝐬𝐚𝐥𝐞𝐬 𝐒𝐮𝐩𝐩𝐨𝐫𝐭💬 For any inquiries or issues, our customer service team is committed to providing you with a satisfactory response within 12 hours. We strive to ensure you have the best shopping experience possible.
𝐒𝐭𝐫𝐢𝐧𝐠𝐞𝐧𝐭 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐂𝐨𝐧𝐭𝐫𝐨𝐥☎️ Should you encounter any quality issues with our product, we are dedicated to promptly addressing and resolving them for you. You will also be reimbursed accordingly.

Power Bank 27,000mAh, QC 4.0 USB C 22.5W Fast Charging PD 20W Portable Charger, Mobile Phone Battery Pack 3 Outputs & 2 Inputs High Capacity Compatible for Smartphones

39% OffFree Shipping

Why We Love It

Super fast 22.5W charging.
High capacity for multiple charges.
Smart safety protection included.

Main Highlights

【Super fast charging】Experience the power of 22.5W ultra-fast charging with this power bank, allowing you to recharge your phone by over 61% in just 30 minutes. The fast charging function of the portable power bank significantly reduces the charging time of the device
【3 Output and 2 Input】The output ports can intelligently detect your device and provide high-speed charging, 2 x 22.5W USB-A and 1x 20W TYPE-C outputs, it can charge 3 devices simultaneously. The 2 input ports include micro and USB-C input ports, which can meet your different needs
【Ultra-High Capacity】Portable high capacity 27000mAh power bank. The power bank can charge your phone at least 3-5 times. Suitable for business, travel, going out, you don't have to worry about the low battery level of your phone
【LED Digital Display】 The newest fashion mirror design. LED display shows the remaining power (0%-100%), so you can more clearly grasp the remaining power and control the charging time. Bextoo mobile power supply is suitable for almost all USB-powered devices
【Smart Safe Protection】Upgraded chips with smart safer protection technology protect your devices against over-current, over-voltage and over-charge, It is FCC, RoHS, and CE certified as well, which is safer to use. Compatible with most smart devices, like Android phones, and more.

8.7

Excellent

Save 39%

We scanned 817 products

We reviewed these offers relevant to the High Capacity Power Banks within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Anker, INIU, PDBEST, JIGA, MDIOUM, Smileader, Bextoo, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best High Capacity Power Banks in the market, we considered we took a deep dive into 4086 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Anker Laptop Power Bank, 25,000mAh Portable Charger with Triple 100W USB-C Ports for Multi-Device Charging, Built-In and Retractable Cables, For iPhone 16/15 Series, Samsung, and More. We love many things about this product by Anker. What sets it apart from the competition is Efficient 165W dual charging. , 25,000mAh for long-haul power. , Charge 4 devices simultaneously.
The best value product for most shoppers and where user satisfaction is continuously the highest is Anker Power Bank, 325 Portable Charger, 20,000mAh Battery Pack with PowerIQ Tech, USB-C Input and Output Ports for iPhone 16/15 Series, Samsung Galaxy, AirPods, and More (PowerCore Essential 20K) by Anker based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for High Capacity Power Banks and the best cost-to-value ratio is Power Bank 27,000mAh, QC 4.0 USB C 22.5W Fast Charging PD 20W Portable Charger, Mobile Phone Battery Pack 3 Outputs & 2 Inputs High Capacity Compatible for Smartphonesat Bextoo with a 39% discount.
Our list of the best High Capacity Power Banks is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best High Capacity Power Banks in The UK

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We scanned 817 products

We concluded that: