1. Introduction
Thank you for choosing the miisso 6000mAh Ultra Slim Power Bank. This device is designed to provide convenient and reliable portable charging for your electronic devices. Its compact size and built-in cables make it an ideal companion for daily use and travel. Please read this manual thoroughly to ensure proper use and maintenance of your power bank.

Figure 1: miisso 6000mAh Ultra Slim Power Bank with built-in cables.
2. Safety Information
To ensure safe operation and prolong the lifespan of your power bank, please observe the following safety guidelines:
- Do not expose the power bank to extreme temperatures (above 60°C/140°F or below 0°C/32°F), direct sunlight, or high humidity.
- Avoid dropping, hitting, or disassembling the device. This may cause damage or malfunction.
- Keep the power bank away from water, liquids, and flammable materials.
- Do not use the power bank if it is visibly damaged, swollen, or leaking.
- Keep out of reach of children.
- Dispose of the power bank responsibly according to local regulations. Do not dispose of it in household waste.
3. Product Overview
The miisso 6000mAh Ultra Slim Power Bank features a compact design with integrated charging solutions.
3.1 Key Features
- Ultra-Slim & Card-Sized: Designed for maximum portability, fitting easily into pockets or small bags.
- Built-in Cables: Includes integrated USB-C and Lightning cables, eliminating the need to carry extra wires.
- Multiple Output Ports: Features a USB-A output port in addition to the built-in cables, allowing simultaneous charging of up to 3 devices.
- 6000mAh Capacity: Provides sufficient power for emergency charges or extending device usage throughout the day.
- LED Indicator: Displays the remaining battery level and charging status.
3.2 Components
The package includes:
- miisso 6000mAh Ultra Slim Power Bank x 1
- USB-A to USB-C Charging Cable (for recharging the power bank) x 1
- User Guide x 1

Figure 2: Compact, card-sized design of the power bank.
4. Setup
4.1 Initial Charge
It is recommended to fully charge your miisso Power Bank before its first use to optimize battery performance.
4.2 Charging the Power Bank
- Locate the USB-C input port on the side of the power bank.
- Connect the provided USB-A to USB-C cable to a compatible USB wall adapter (not included) or a computer's USB port.
- Plug the USB-C end of the cable into the power bank's USB-C input port.
- The LED indicator will illuminate to show the charging progress. A full charge typically takes 2.5-3 hours with a 2A charger.
Alternatively, you can use the built-in USB-C cable to recharge the power bank by connecting its USB-C end to a compatible USB-C power source.
5. Operating Instructions
5.1 Charging Your Devices
The miisso Power Bank offers multiple ways to charge your devices:
- Using Built-in Lightning Cable: Pull out the integrated Lightning cable and plug it directly into your iPhone or other Lightning-compatible device.
- Using Built-in USB-C Cable: Pull out the integrated USB-C cable and plug it directly into your Android phone, newer iPhone models, or other USB-C compatible devices.
- Using USB-A Output Port: Connect your device's original USB charging cable to the USB-A output port on the power bank, then connect the other end to your device.
The power bank can charge up to 3 devices simultaneously using its various output options.

Figure 3: Charging multiple devices with the power bank.
5.2 Checking Battery Level
Press the power button once to activate the LED indicator, which will display the remaining battery capacity. The number of illuminated LEDs corresponds to the charge level.
5.3 Official Product Video
Video 1: Overview of the miisso 6000mAh Colorful Ultra Slim Built-in Cables Power Bank, demonstrating its features and compact design.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your power bank:
- Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Avoid using harsh chemicals or abrasive cleaners.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, charge it to approximately 50-75% every three months to prevent deep discharge.
- Battery Care: Avoid completely draining the battery to 0% frequently, as this can reduce its overall lifespan. Similarly, avoid leaving it plugged in and fully charged for excessively long periods.
7. Troubleshooting
If you encounter any issues with your miisso Power Bank, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging from power bank. | Loose connection, incompatible cable, power bank battery low. | Ensure cables are securely connected. Check power bank battery level. Try a different cable or port. |
| Power bank not recharging. | Faulty charging cable/adapter, loose connection. | Verify all connections. Try a different USB-C cable or wall adapter. |
| Slow charging. | Using a low-power adapter, device drawing high current. | Use a 2A or higher output wall adapter for faster charging. Ensure your device supports fast charging. |
| LED indicator not working. | Power bank is completely discharged or damaged. | Attempt to charge the power bank. If issue persists, contact customer support. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 5K95 |
| Battery Capacity | 6000 Milliamp Hours (mAh) |
| Battery Type | 1 Lithium Polymer battery (included) |
| Product Dimensions | 4.13 x 2.6 x 0.51 inches |
| Item Weight | 4.3 ounces |
| Input Ports | USB Type C (for recharging power bank) |
| Output Ports | Built-in Lightning Cable, Built-in USB-C Cable, USB Type C, USB-A |
| Special Features | Built-in Cables, Ultra Slim Design |
| Manufacturer | Shenzhen Weilaishenniao Technology Co., Ltd. |
9. Warranty and Support
The miisso 6000mAh Ultra Slim Power Bank comes with a standard manufacturer's warranty. For detailed warranty information, please refer to the product packaging or contact our customer support.
If you have any questions, require technical assistance, or need to claim warranty service, please contact miisso customer support through the retailer's platform or our official website.