Skip to product information
Keeping your smartphone or tablet powered throughout a busy day, a long commute, or a weekend away can be a challenge. The 4U Fast Charging Power Bank addresses this with a substantial 20000mAh battery capacity, housed in a case measuring just 145mm by 68mm by 22mm. This combination provides a significant power reserve without being cumbersome, ensuring you have backup power when you need it most. The inclusion of a 2.1A output port means your devices can charge more quickly than with basic power banks, getting you back up and running faster.
This section details the specific technical specifications, construction materials, and design elements that contribute to the power bank's performance and durability. We'll look at the internal battery technology, the robust external casing, and the practical aspects of its size and weight.
Investing in a reliable power bank offers more than just convenience; it provides security for your digital life. This section breaks down the tangible benefits, from cost savings over disposable chargers to the satisfaction of reliable performance that supports your daily routine without fail.



4U Fast Charging Power Bank with 20000mAh Capacity for Extended Mobile Phone and Tablet Use, Featuring a 2.1A Output Port and Five Colour Options
£31.98
Sale price
£31.98
Regular price
4U Fast Charging Power Bank: A 20000mAh Portable Battery for Reliable Phone and Tablet Charging

Features and Build Quality of the Portable Charger

Compact and Portable Design
With dimensions of 145mm in length, 68mm in width, and a 22mm depth, this power bank is designed for portability. It is comparable in size to many modern smartphones, albeit slightly thicker, allowing it to be carried comfortably in a trouser or jacket pocket, or neatly in a bag's dedicated compartment. The weight of 275 grams gives it a substantial, quality feel without being overly heavy, striking a balance between capacity and everyday carry convenience.High-Capacity Battery Performance
The core component is a 20000mAh lithium-polymer battery. In practical terms, this capacity can provide approximately four to five full charges for a smartphone with a 4000mAh battery, or one to two full charges for a larger tablet. The output is managed through a single port rated at 2.1A, which supports faster charging protocols for compatible devices compared to standard 1A ports, potentially cutting charging times significantly.Durable Construction and Finish
Practical Applications for Your Power Bank A power bank's value is realised in its use. Here we explore specific scenarios where the 4U Fast Charging Power Bank proves particularly useful, from professional settings requiring constant connectivity to leisure activities and travel where access to mains power is limited or unavailable.Professional and Commuter Use
Everyday and Leisure Use The solid feel of the 275-gram unit in your hand provides reassurance of its quality, while the smooth, rounded edges make it comfortable to hold when using your phone while it charges. For students moving between lectures, festival-goers capturing memories all weekend, or hikers using their phone for GPS, the peace of mind comes from knowing the 20000mAh reserve can handle heavy usage. The array of colours, from a vibrant yellow to a classic black, lets you choose one that fits your personal kit.Travel and Versatility
When travelling, especially on long-haul flights or train journeys where power outlets are scarce or incompatible, this power bank becomes an essential item. Its capacity is sufficient to keep a phone, tablet, or pair of wireless headphones powered for the duration of most journeys. The 1.5A input allows for efficient recharging overnight at your hotel, ready for the next day's adventures. It serves as a universal backup for all your USB-charged gadgets.Key Benefits and Long-Term Value

Cost-Effective Power Solution
Compared to repeatedly purchasing disposable emergency chargers or relying on paid charging stations in airports and cafes, a high-capacity reusable power bank like this one offers significant long-term value. The 20000mAh capacity ensures it remains useful for years, offsetting its initial cost many times over. The robust ABS plastic construction is designed to withstand the rigours of daily carry, reducing the likelihood of needing a premature replacement.User Satisfaction and Reliability
Make the Practical Choice for On-the-Go Power If you need a no-nonsense power bank that delivers on its promise of extended battery life without gimmicks, the 4U Fast Charging model is a straightforward choice. Its 20000mAh capacity, practical size, and faster 2.1A charging capability are measurable benefits that address the core need for portable power. Choose your preferred colour from the five available and ensure your essential devices stay powered wherever your day takes you.


