Alloy portable power bank with 22.5W Super Fast Charging, 20000mAh capacity, dual-direction fast charging, polymer lithium ion battery, 85% conversion rate, LED torch and LCD display, available in black, green, red or blue
Alloy Portable Power Bank with 22.5W Super Fast Charging and 20000mAh Capacity

This portable power bank delivers 22.5W Super Fast Charging capability, allowing you to rapidly replenish smartphones, tablets, and other USB-powered devices while away from mains power. With a substantial 20000mAh capacity, it provides enough power for multiple full charges of modern mobile devices. The unit utilises Power Delivery (PD) technology for bi-directional fast charging, meaning it can both charge your devices quickly and be recharged itself rapidly via a compatible PD charger. An integrated LCD display shows remaining battery percentage at a glance, while the built-in LED torch adds practical utility for low-light situations. Available in four distinct colour options—black, green, red, and blue—this model balances high-performance charging with portable convenience.
Technical Specifications and Construction

This power bank is built around precise technical specifications that determine its charging performance, physical form, and operational efficiency. The core components and measurements are designed for reliable portable power delivery.
Battery and Power Technology
The power bank uses a polymer lithium ion battery in a soft-case configuration, which helps maintain a compact overall size while providing the 20000mAh capacity. It achieves an 85% conversion rate, meaning that 85% of the energy stored in the battery is successfully delivered to your connected device, with the remainder lost as heat during the conversion process. The 22.5W Super Fast Charging output provides substantially faster charging than standard 5W or 10W adapters, while the PD (Power Delivery) fast charging protocol supports bi-directional 18W charging. This allows the power bank to both charge devices quickly and accept rapid recharging from compatible PD wall chargers.
Physical Dimensions and Options
The specific 22.5W Super Fast Charge model with 20000mAh capacity measures 140mm in length, 66.5mm in width, and 27.5mm in thickness, creating a portable rectangular form factor that fits comfortably in bags and pockets. For users requiring even greater capacity, a 30000mAh version is available with identical length and width but increased 39mm thickness. The alloy shell provides a rigid protective exterior around the internal components. Four colour finishes—black, green, red, and blue—offer visual choice, while the LCD display mounted on the housing shows precise remaining battery percentage rather than vague indicator lights.
Alternative Configuration Options
Alongside the featured 22.5W Super Fast Charging models, this product line includes alternative configurations for different needs and budgets. A 2A Fast Charge version is available in both 20000mAh and 30000mAh capacities, providing standard-speed charging rather than the 22.5W Super Fast Charging. The 2A Fast Charge 20000mAh model shares the same 140mm x 66.5mm x 27.5mm dimensions as the equivalent Super Fast Charge version, while the 30000mAh 2A Fast Charge model matches the larger 39mm thickness. All variants maintain the alloy shell construction, LED torch, and LCD display features regardless of their charging speed specification.
Practical Applications and Usage

This power bank serves multiple practical applications where mobile device power is essential but mains electricity is unavailable or inconvenient. Its combination of high capacity and rapid charging makes it suitable for various daily scenarios.
Travel and Commuting Power
For travellers and commuters, this power bank provides reliable backup power throughout the day. The 20000mAh capacity can typically deliver four to six full smartphone charges depending on device model and battery size, making it suitable for extended journeys where charging opportunities are limited. The 22.5W Super Fast Charging capability means shorter charging stops when time is constrained, while the alloy construction withstands the rigours of daily transport in bags and cases. The LED torch proves particularly useful in travel situations for finding items in dimly lit luggage compartments, hotel rooms, or during power outages.
Work and Professional Environments
In professional environments where device reliability is crucial, this power bank serves as an emergency power source for smartphones, tablets, and other USB-powered work tools. The LCD display allows precise monitoring of remaining capacity before important meetings or client visits, ensuring you never run unexpectedly low. The bi-directional PD fast charging enables rapid top-ups during short breaks between appointments, while the multiple colour options allow coordination with professional accessories or corporate colours. The alloy shell resists scratches and minor impacts that might occur in busy work environments.
Outdoor and Leisure Activities
During outdoor activities, camping trips, festivals, or sporting events where mains power is unavailable, this power bank keeps entertainment, navigation, and communication devices operational. The substantial capacity supports multiple devices simultaneously or extended use of power-hungry applications like GPS navigation or video streaming. The integrated LED torch provides illumination for reading maps, setting up tents, or finding items after dark without draining your phone's battery. The portable dimensions fit easily into daypacks or picnic bags alongside other essentials.
Performance Advantages and Selection Criteria

When selecting a portable power bank, understanding the performance characteristics and practical advantages helps identify the most suitable option for your specific requirements.
Charging Speed Comparison
The 22.5W Super Fast Charging capability represents a significant speed advantage over standard 5W (10W maximum) charging commonly found in basic power banks. This faster charging becomes particularly noticeable with larger devices like tablets or smartphones with substantial battery capacities that would otherwise require many hours to recharge fully. The Power Delivery (PD) protocol ensures compatibility with an increasing range of modern devices that support fast charging standards, while maintaining backward compatibility with older USB-powered devices at standard charging speeds. The 85% conversion rate represents efficient energy transfer compared to many budget power banks with lower efficiency ratings.
Capacity Selection Guidance
The choice between 20000mAh and 30000mAh capacities involves balancing portability against extended runtime. The 20000mAh version provides ample power for most daily uses and multi-day trips while maintaining the slimmer 27.5mm profile that fits more comfortably in smaller bags and pockets. The 30000mAh option offers approximately 50% more capacity for situations where charging opportunities will be extremely limited over extended periods, though it increases thickness to 39mm. Both capacities are available with either the 22.5W Super Fast Charging or the more economical 2A Fast Charging technology, allowing further refinement based on your charging speed priorities versus budget considerations.
Durability and Feature Considerations
The alloy shell construction provides superior protection compared to plastic-bodied alternatives, particularly against accidental impacts or compression in crowded bags. The LCD display offers more precise remaining power information than the typical four-light indicator system, allowing better planning for when you'll need to recharge the power bank itself. The integrated LED torch, while seemingly minor, proves repeatedly useful in practical situations without requiring a separate torch or draining your phone's battery. The four colour options allow personalisation or colour-coding if multiple household members own similar power banks.
