1. Introduction
Thank you for choosing the KUULAA YD-70 10000mAh Power Bank. This portable charger is designed to provide fast and reliable power to your mobile devices on the go. Featuring a sleek ultra-thin metal shell, 22.5W fast charging capabilities, and an LED digital display, it ensures your devices stay charged efficiently and safely. Please read this manual carefully before use to ensure optimal performance and longevity of your power bank.
2. Specifications
| Feature | Detail |
|---|---|
| Brand | KUULAA |
| Model | YD-70 |
| Capacity | 10000mAh |
| Max Output | 23W |
| Shell Material | Metal |
| Features | With LED Lamp, Digital Display |
| Quick Charge Technology | Two-way Quick Charge (PD3.0 & QC3.0) |
| Input Interface | USB Type C |
| Output Interface | USB-Type C, USB |
| Battery Type | Li-Polymer Battery |
| Origin | Mainland China |
| Type | Portable Power Bank |
| Dimensions | 13.5 x 6.6 x 1.3 cm |
| Weight | 250g |
| USB Output | 5V2.4A, 9V2A, 12V1.5A, 10V2.25A |
| Type-C Output | 5V3A, 9V2.22A, 12V1.67A |
| Type-C Input | 5V3A, 9V 2A, 12V1.5A |
| Certification | CE |
3. Package Contents
Upon opening your KUULAA YD-70 Power Bank package, you should find the following items:
- KUULAA YD-70 Power Bank (x1)
- Instruction Manual (x1)
- Type-C Charging Cable (x1)

4. Setup and Charging the Power Bank
Before using your power bank to charge other devices, ensure the power bank itself is fully charged.
- Connect the provided Type-C charging cable to the 'IN/OUT' Type-C port on the power bank.
- Connect the other end of the cable to a compatible USB wall adapter (not included). For optimal charging speed, use a fast-charging adapter.
- The LED digital display on the power bank will show the current battery percentage, indicating charging progress.
- Once the display shows '100%', the power bank is fully charged and ready for use. A full recharge typically takes approximately 3 hours with a suitable fast charger.

5. Operating the Power Bank (Charging Devices)
The KUULAA YD-70 Power Bank offers versatile charging options for various devices.
Standard Charging
- Connect your device's charging cable to one of the output ports on the power bank (USB or Type-C).
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. The LED display will show the power bank's remaining charge.
Fast Charging (SCP 22.5W & PD 20W)
This power bank supports SuperCharge Protocol (SCP) 22.5W and Power Delivery (PD) 20W for rapid charging of compatible devices.
- SCP 22.5W Fast Charging: Can charge devices like Huawei Mate40 Pro up to 50% in 30 minutes.
- PD 20W Fast Charging: Can charge devices like iPhone 15 up to 60% in 30 minutes.


Small Current Mode
For charging low-current devices such as smartwatches, Bluetooth earbuds, or fitness trackers, the power bank features a small current mode to prevent overcharging and protect the device's battery.
- Connect your low-current device to the power bank using its appropriate charging cable.
- The power bank will automatically detect the device and switch to small current mode.

Demonstration Video
6. Safety Features and Protection
The KUULAA YD-70 Power Bank is equipped with multiple protection mechanisms to ensure safe charging for both the power bank and your connected devices. It features reliable batteries with long battery life and intelligent temperature control.
- Over-Voltage Protection: Safeguards against excessive voltage input.
- Short-Circuit Protection: Prevents damage from short circuits.
- Over-Charge Protection: Stops charging once the battery is full to prevent overcharging.
- High-Temperature Protection: Monitors and regulates internal temperature to prevent overheating.
- Over-Discharge Protection: Prevents the battery from being completely drained, extending its lifespan.
- Over-Current Protection: Protects against excessive current flow.

7. Portability and Travel
Designed with an ultra-thin metal shell, the KUULAA YD-70 Power Bank is highly portable and convenient for travel. It complies with international UN38.3 transportation security standards, making it suitable for airline carry-on.


8. Wide Compatibility
The KUULAA YD-70 Power Bank is compatible with a broad range of electronic devices, ensuring you can charge almost all your gadgets.
- For Apple: iPhone 8-15 Series, Apple Watch, iPad Pro/iPad Air/iPad Mini, Airpods/Pro
- For Samsung: Galaxy S8-S23 Series, Note 20 Ultra, Z Fold 4
- For Huawei: Various models supporting SCP 22.5W
- For Xiaomi: 13-10 Series, Redmi K40
- For Google/Sharp/Sony: Pixel 3-7, Sense 7

9. Maintenance
To ensure the longevity and optimal performance of your power bank, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the power bank. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the power bank in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Battery Care: For best battery health, fully charge the power bank at least once every three months if not in regular use. Avoid completely draining the battery frequently.
- Avoid Drops: Protect the device from drops and impacts, which can damage internal components.
10. Troubleshooting
If you encounter any issues with your KUULAA YD-70 Power Bank, refer to the following common problems and solutions:
- Device not charging:
- Ensure the power bank is charged. Check the LED display.
- Verify that the charging cable is securely connected to both the power bank and your device.
- Try a different charging cable or device to rule out cable or device issues.
- Ensure your device is compatible with the power bank's output specifications.
- Power bank not charging:
- Ensure the Type-C input cable is securely connected to the power bank and the wall adapter.
- Try a different wall adapter or power outlet.
- Verify that the wall adapter provides sufficient power (e.g., 5V/2A or higher for faster charging).
- Slow charging:
- Ensure you are using a fast-charging compatible cable and wall adapter.
- Check if your device supports fast charging protocols (SCP, PD).
- Avoid using the device while it is charging, as this can slow down the process.
- LED display not working:
- Try pressing the power button (if available) to activate the display.
- If the power bank is completely drained, the display may not light up until it receives some charge.
11. User Tips
- Initial Charge: It is recommended to fully charge your power bank before its first use to calibrate the battery and ensure optimal performance.
- Cable Quality: Always use high-quality, certified charging cables to ensure efficient and safe charging for both the power bank and your devices.
- Temperature: Avoid exposing the power bank to extreme temperatures (very hot or very cold) as this can affect battery performance and lifespan.
- Check Compatibility: While widely compatible, always ensure your device's charging requirements align with the power bank's output capabilities for the best charging experience.
12. Warranty and Support
Your KUULAA YD-70 Power Bank comes with a standard manufacturer's warranty. For specific warranty details, including duration and coverage, please refer to the warranty card included in your original packaging or contact the seller directly. If you experience any issues or have questions not covered in this manual, please reach out to customer support for assistance.