20000mAh capacity polymer lithium ion mobile power bank with fast charging capability, 80% conversion rate, alloy shell construction, LED flashlight function, available in black, red or blue colour options, measures 166 x 81 x 23mm
20000mAh capacity mobile power bank with polymer lithium ion cells and 80% conversion rate

This mobile power bank offers substantial 20000mAh power capacity in a compact alloy-shell design measuring 166mm by 81mm by 23mm. Built around polymer lithium ion cell technology, it delivers fast charging capability to compatible devices while maintaining an 80% conversion efficiency rate. The inclusion of an LED flashlight provides additional utility beyond simple power delivery. Available in three distinct colour options – black, red, and blue – the power bank maintains general type compatibility with most standard USB-powered devices, making it a versatile portable power solution for travel, work, or everyday use.
Features and Construction

The power bank combines functional design with practical features suitable for daily charging needs. Its construction balances capacity with portability while including useful additional functions beyond basic power delivery.
Material and Build
Constructed with an alloy shell, this power bank offers structural integrity and durability for regular handling. The soft bag battery design allows for some flexibility within the protective alloy casing. The polymer lithium ion cells provide the 20000mAh capacity while supporting fast charging protocols. The external dimensions of 166mm length, 81mm width, and 23mm thickness create a rectangular profile that fits comfortably in bags or pockets.
Size and Practical Fit
Measuring 166mm in length, 81mm in width, and 23mm in thickness, the power bank maintains a portable form factor despite its substantial 20000mAh capacity. The dimensions allow it to fit in most standard bag compartments or larger pockets. The rectangular shape with right-angled corners provides stable placement on flat surfaces when charging devices. The weight distribution across the alloy shell ensures comfortable handling during use or transport.
Uses and Placement

With general type compatibility and substantial power reserves, this power bank serves multiple charging scenarios. Its features support both planned charging sessions and emergency power situations.
Event or Professional Use
The 20000mAh capacity provides sufficient power for professional settings where multiple device charges might be needed throughout a workday or event. Conference attendees, photographers, or field workers can utilise the fast charging capability to quickly replenish device batteries between sessions. The LED flashlight function offers practical illumination in low-light environments, whether navigating venues, inspecting equipment, or reading documents in dim conditions. The alloy shell construction withstands the handling demands of frequent transport.
Everyday Home Use
For daily household use, the power bank serves as a convenient charging solution away from wall outlets. Family members can charge smartphones, tablets, or other USB-powered devices in any room or while moving around the home. The three colour options – black, red, and blue – allow for personal preference matching with other personal items or home decor. The 80% conversion rate means less energy waste during charging cycles compared to less efficient units.
Benefits and Buying Value

This power bank offers practical advantages through its combination of capacity, features, and construction. The value proposition centres on reliable power delivery with additional utility.
Reuse and Low Maintenance
The polymer lithium ion cell technology supports repeated charging cycles with consistent performance. The alloy shell construction requires minimal maintenance beyond occasional cleaning of surfaces and ports. General type compatibility ensures the power bank remains useful as device technology evolves, working with most standard USB-powered electronics. The LED flashlight provides ongoing utility separate from the charging function.
Why Choose This Product
Select this power bank for its balanced combination of 20000mAh capacity, fast charging support, and practical LED flashlight function. The 80% conversion rate represents efficient power transfer from unit to device, while the alloy shell offers durable construction. The three colour options provide personalisation choice, and the general type compatibility ensures broad device support. The dimensions create a portable yet substantial form factor suitable for various carrying methods.







