I. Core Product Information
Product Name: Power Bank with Built-in Four-Cable Digital Display
Rated Capacity: 20000mAh
Cell Type: High-density lithium polymer cell (safe, stable, long cycle life)
Color: Matte Black
Core Positioning: Multi-device compatible, portable, cable-free high-capacity power bank
II. Core Functions and Highlights
1. Built-in Four-Cable Design, One Cable for All Devices
Eliminate the hassle of carrying separate data cables. The device comes with an integrated four-in-one charging cable, supporting all mainstream interfaces:
USB Male: Used to charge the power bank itself, compatible with most mobile phone chargers and computer USB ports.
Micro-USB: Compatible with older Android devices, Bluetooth headsets, smart bracelets, etc.
Type-C: Compatible with mainstream Android phones, tablets, Switch, etc., and supports bidirectional fast charging.
Lightning: Compatible with Apple devices such as iPhone, iPad, and AirPods, stable and without pop-up ads.
2. 20000mAh Large Capacity, Long-lasting Battery Life
Sufficient for multiple charges of multiple devices:
iPhone 14: Approximately 4 One full charge
Android flagship models: Approximately 3-4 full charges
Supports simultaneous charging and discharging, capable of powering multiple devices simultaneously, meeting the power needs of business trips, outdoor travel, and long commutes
3. LED digital power display for accurate remaining battery level
The top high-definition digital display shows 25%/50%/75%/100% battery level as a percentage, eliminating the vague estimation of traditional indicator lights. Remaining battery level is clearly displayed, allowing for convenient planning of charging times.
4. Enhanced Safety Protection System for Peace of Mind
Built-in multiple safety protection chips cover all usage risks:
Overcharge Protection: Automatically cuts off power when fully charged to prevent battery damage from overcharging.
Over-Discharge Protection: Automatically stops output when battery is low to protect the device's battery.
Overcurrent/Short Circuit Protection: Automatically cuts off current in case of device malfunction to prevent damage.
Over-Temperature Protection: Automatically reduces power when charging/discharging temperature is too high to prevent overheating risks.
5. Slim and Portable Design for Effortless Use
The rectangular, rounded-corner body design fits comfortably in the hand. The matte black shell is fingerprint-resistant. With a built-in cable management system, it can be easily placed in a pocket, backpack, or handbag, taking up minimal space. Suitable for daily commutes and business trips.
III. Specifications
Table Item Parameter Details
Rated Capacity 20000mAh
Battery Type Lithium Polymer Cell
Input Interface USB Male (with included cable)
Output Interface Micro-USB, Type-C, Lightning (with included cable)
Battery Power Display LED Digital Percentage Display
Product Color Matte Black
Suitable Scenarios Daily commuting, business travel, outdoor camping, student dormitory use
IV. Instructions for Use
Charging the power bank: Connect the included USB male connector to a mobile phone charger/computer USB port to charge. The digital display shows the real-time battery progress.
Charging devices: Select the corresponding included cable connector according to the device's interface and connect the device for automatic power supply. For simultaneous charging of multiple devices, use an additional interface.
Precautions:
Please use a qualified charger to charge the power bank. Avoid using inferior power supplies.
Avoid placing the power bank in high-temperature, humid, or direct sunlight environments.
If not used for a long period, it is recommended to recharge it every 3 months to maintain the activity of the battery cells.
Do not disassemble, drop, or squeeze the power bank to avoid damaging the battery cells.
V. Product Advantages Summary
This four-cable power bank, with a large 20000mAh capacity, solves the core pain points of "forgetting to bring cables when going out" and "inconvenience of charging multiple devices." It also features a precise digital display and multiple safety protections, making it a practical, portable, and safe power assistant. It is compatible with most mainstream digital devices, meeting the power needs of daily life and travel.
What's in the box
1 x Four-Wire 20000mAh Power Bank with Digital Display and Large Capacity
