Black Rice Power Bank 20000mAh Portable Charger with 80% Conversion Rate, General Purpose Battery Bank with Plastic Shell and 135x60x20mm Compact Size, Includes Charging Cable
Black Rice 20000mAh Power Bank with 80% Conversion Rate and Plastic Shell

This Black Rice branded power bank delivers 20000mAh of portable charging capacity in a compact format measuring 135mm by 60mm by 20mm. Using liquid lithium ion battery technology with cylindrical aluminum shell cells (18650 type), it's designed as a general purpose battery bank suitable for charging various electronic devices. The product features an 80% conversion rate and comes complete with a charging cable, providing a practical power solution for mobile use.
Features and Construction

The power bank combines substantial capacity with practical construction details that define its functionality and physical characteristics.
Material and Build
The outer shell is constructed from plastic, housing the internal battery components. Inside, the power bank uses cylindrical aluminum shell batteries of the 18650 type, which are liquid lithium ion batteries. This combination of materials provides the structural framework for the 20000mAh capacity power storage system.
Size and Practical Fit
With dimensions of 135mm in length, 60mm in width, and 20mm in thickness, this power bank maintains a compact form factor relative to its 20000mAh capacity. The size allows for practical portability while offering substantial charging capability for general purpose use with various electronic devices.
Uses and Placement

The power bank's specifications support specific charging scenarios and placement considerations based on its technical characteristics.
Event or Professional Use
With 20000mAh capacity, this power bank can provide extended charging capability during events, travel, or professional situations where access to mains power is limited. The general purpose designation makes it compatible with a range of devices that require portable power supplementation throughout extended periods away from electrical outlets.
Everyday Home Use
For daily use, the compact 135x60x20mm size makes the power bank easy to store in bags, drawers, or on desks. The included charging cable allows for immediate setup without requiring additional purchases. The 80% conversion rate indicates the efficiency of power transfer from the bank to connected devices during routine charging scenarios.
Benefits and Buying Value

The power bank offers specific advantages based on its documented specifications and included components.
Reuse and Low Maintenance
The product comes complete with charging cable, allowing for immediate use without needing to source compatible accessories separately. The plastic shell construction requires minimal maintenance beyond keeping the unit clean and storing it appropriately when not in use.
Why Choose This Product
This power bank provides 20000mAh capacity with an 80% conversion rate in a compact 135x60x20mm plastic housing. The inclusion of a charging cable adds practical value, while the general purpose designation ensures compatibility with various devices. The cylindrical aluminum shell batteries (18650 type) represent established battery technology within the portable power category.


