Large black or red 40000mAh power bank showing LCD display with plastic case.

Large-capacity power bank with 40000 mAh polymer lithium-ion battery, featuring an LCD display for remaining charge, housed in a plastic shell and available in Chinese red or black colour options, measuring 156 x 82 x 41 mm for portable high-power backup.

Black 2000mah
£54.98
Skip to product information
Large black or red 40000mAh power bank showing LCD display with plastic case.

Large-capacity power bank with 40000 mAh polymer lithium-ion battery, featuring an LCD display for remaining charge, housed in a plastic shell and available in Chinese red or black colour options, measuring 156 x 82 x 41 mm for portable high-power backup.

£54.98
Color

40000 mAh Power Bank with LCD Display for High-Capacity Portable Charging

Large black or red 40000mAh power bank showing LCD display with plastic case.

This 40000 mAh power bank delivers a significant reserve of portable power, ideal for situations where you need to charge phones, tablets, or other USB-powered devices multiple times without access to a wall outlet. Its integrated LCD screen provides a clear, numerical readout of the remaining battery percentage, removing uncertainty about how much charge is left. Built around a polymer lithium-ion soft bag battery cell and encased in a durable plastic shell, it balances high capacity with a portable form factor. Available in a choice of Chinese red or classic black, this unit is designed for general-purpose use, offering a practical solution for travellers, commuters, and professionals who rely on their devices throughout the day.

Features and Construction

Large black or red 40000mAh power bank showing LCD display with plastic case.

The power bank's design prioritises clear information and reliable power delivery. The core specifications provide a foundation for its high-capacity performance and user-friendly operation.

Material and Build

The device utilises a polymer lithium-ion soft bag battery cell, a common technology for high-capacity power banks that allows for efficient energy storage within its dimensions. The external housing is made from plastic, which forms a lightweight yet protective shell for the internal components. This material choice contributes to the product's overall portability and durability for everyday carrying.

Size and Practical Fit

With dimensions of 156 mm in length, 82 mm in width, and 41 mm in depth, the power bank has a compact profile relative to its substantial 40000 mAh capacity. This size makes it suitable for placing in a backpack, laptop bag, or carry-on luggage, providing a substantial power reserve without occupying excessive space. The physical design supports its role as a portable power source for use on the go.

Uses and Placement

Large black or red 40000mAh power bank showing LCD display with plastic case.

This power bank is suited for a variety of scenarios where access to mains power is limited or unavailable. Its high capacity and functional features make it a versatile tool for both personal and occasional professional use.

Event or Professional Use

For events, trade shows, or outdoor work where charging points are scarce, this unit can serve as a reliable power station for multiple devices. The LCD display is particularly useful in these settings, allowing you to manage the shared power resource efficiently by knowing exactly how much charge remains. Its general type classification means it is compatible with a wide range of standard USB-charged smartphones, tablets, and accessories.

Everyday Home Use

In daily life, it acts as a convenient backup during power outages or simply as a central charging hub in a room without a convenient socket. You can use it to charge devices overnight or keep it packed in a bag as a ready-to-go power source for the day. The choice of Chinese red or black colour allows it to blend with personal style or existing tech accessories.

Benefits and Buying Value

Large black or red 40000mAh power bank showing LCD display with plastic case.

The value of this power bank lies in its combination of high capacity, informative display, and practical design. It addresses the core need for reliable, portable power without unnecessary complexity.

Reuse and Low Maintenance

As a rechargeable device, it is designed for repeated use over time, reducing reliance on disposable batteries for certain equipment. The simple construction and material choices suggest straightforward care: keeping the unit clean, avoiding extreme temperatures, and following standard lithium-ion battery handling practices will support its functional lifespan.

Why Choose This Product

This power bank stands out for its clearly stated 40000 mAh capacity and the inclusion of an LCD display—a concrete feature that provides a tangible user benefit over models without a charge indicator. The stated 85% conversion rate indicates the efficiency of power transfer from the bank to your device. When considering a purchase, these specific, measurable specifications allow for a direct comparison based on capacity, features, and physical size.

Large black or red 40000mAh power bank showing LCD display with plastic case.

You may also like