Portable power bank with graphene battery technology, 4000mAh capacity, slim design measuring 140x72x4mm, compatible with Apple and Android devices via 5V/1A output, available in silver colour for mobile phone charging on the go
Portable power bank with graphene battery technology, 4000mAh capacity, slim design measuring 140x72x4mm, compatible with Apple and Android devices via 5V/1A output, available in silver colour for mobile phone charging on the go
Portable graphene battery power bank with 4000mAh capacity and slim 4mm profile for mobile charging
This portable power bank offers practical charging solutions for smartphones when mains power is unavailable. Using graphene battery technology, it provides reliable power delivery in a compact format weighing 154g with dimensions of 140x72x4mm. The 4000mAh capacity supplies useful charging for modern mobile devices during daily commutes, travel, or extended periods away from power outlets. Compatibility with both Apple and Android interfaces through standard 5V/1A output makes it suitable for most smartphones without requiring proprietary cables.
Features and Construction
The power bank incorporates several design elements focused on portability and compatibility. Its slim profile and moderate capacity balance charging needs with pocket-friendly dimensions.
Material and Build
Graphene battery technology forms the core power storage component, providing consistent electrical output. The external casing features a silver finish, though specific casing materials are not detailed in the source specifications. The construction maintains a slim 4mm thickness while housing the battery cells and necessary circuitry.
Size and Practical Fit
Measuring 140x72x4mm with a weight of 154g, the power bank maintains dimensions suitable for pocket or small bag carry. The rectangular shape with 4mm thickness creates a flat profile that minimises bulk while offering practical charging capacity. This balance makes it suitable for daily transport alongside smartphones and other essentials.
Uses and Placement
The power bank addresses common mobile charging scenarios where mains power access is limited or unavailable. Its specifications suit regular commuting, travel, and daily mobility requirements.
Event or Professional Use
During conferences, outdoor events, or fieldwork where power outlets may be scarce, the 4000mAh capacity provides emergency charging to maintain device functionality. The compatibility with both Apple and Android interfaces ensures it works with most colleagues' or participants' devices without requiring multiple charger types.
Everyday Home Use
Around the home, the power bank offers convenient charging without being tethered to wall sockets. Its slim design allows easy storage in drawers or on shelves when not in use. The approximately three-hour charging time from empty makes it practical for overnight recharging between daily uses.
Benefits and Buying Value
The product provides specific advantages through its combination of graphene technology, slim design, and cross-platform compatibility. These elements create practical value for mobile device users.
Reuse and Low Maintenance
Graphene battery technology supports repeated charging cycles with consistent performance. The power bank requires minimal maintenance beyond standard charging practices and storage in appropriate conditions. No specialist care instructions are specified beyond avoiding extreme temperature exposure.
Why Choose This Product
The combination of 4000mAh capacity in a 4mm-thick design creates a balance of power and portability not always available in standard power banks. Graphene battery technology offers potential advantages in power delivery consistency compared to some conventional battery types. Compatibility with both major mobile platforms through standard 5V/1A output ensures broad device support without proprietary limitations.
