20000mAh Capacity Power Bank with Black Rice Customisation and 18650 Lithium-Ion Battery

This portable power bank provides substantial backup energy with its 20000mAh capacity lithium-ion battery, designed for charging electronic devices when mains electricity isn't available. The unit incorporates standard 18650 cylindrical aluminium shell battery cells operating at an 80% conversion rate for efficient power transfer. With dimensions measuring 135mm in length, 60mm in width, and 20mm in thickness, the plastic-cased power bank offers portable convenience for travel, work, or emergency situations requiring supplementary power.

Features and Construction

The power bank's technical specifications and physical construction determine its charging capabilities and practical application scenarios. The combination of battery type, conversion efficiency, and casing materials contributes to the unit's functionality.

Material and Build

Internally, the power bank utilises liquid lithium-ion battery cells of the 18650 cylindrical aluminium shell type, a standardised battery format known for balanced energy density and reliability. The external casing consists of plastic material, providing lightweight protection for the internal components while maintaining portability. This construction approach focuses on housing the substantial 20000mAh capacity battery within manageable dimensions.

Size and Practical Fit

Measuring precisely 135mm x 60mm x 20mm, the power bank maintains dimensions suitable for transport in bags, backpacks, or larger pockets. The rectangular form factor with 20mm thickness allows for stable placement on surfaces during use. These measurements create a balance between battery capacity and practical portability for users requiring extended charging capability without excessive bulk.

Uses and Placement

The general-purpose designation and technical specifications support various charging scenarios across different environments. The power bank's capabilities address common situations where supplementary power enhances device usability.

Event or Professional Use

For professional settings or event scenarios, the 20000mAh capacity provides multiple charging cycles for smartphones, tablets, or other compatible devices throughout extended periods away from power outlets. The 80% conversion rate indicates efficient power transfer during these applications. The black rice customisation element allows for branding or personalisation opportunities in corporate or promotional contexts.

Everyday Home Use

In domestic environments, the power bank serves as a reliable backup power source during mains electricity interruptions or for charging devices in rooms without convenient power outlets. The portable dimensions enable movement between rooms while maintaining charging capability. The included charging cable facilitates connection to various compatible devices without requiring additional accessories.

Benefits and Buying Value

The power bank's specifications create practical advantages through capacity, efficiency, and construction elements that support extended usage scenarios without complex maintenance requirements.

Reuse and Low Maintenance

The lithium-ion battery technology supports numerous charging cycles throughout the power bank's usable lifespan. The 80% conversion rate indicates efficient energy transfer that maximises available power from the 20000mAh capacity. Standard battery technology minimises specialised maintenance needs beyond basic care for lithium-ion cells.

Why Choose This Product

This power bank combines substantial 20000mAh capacity with practical 135mm x 60mm x 20mm dimensions, creating a balance between extended charging capability and portable convenience. The 18650 cylindrical aluminium shell battery construction employs standardised components for reliable performance. The 80% conversion efficiency ensures effective power utilisation from the available battery capacity.