1. Introduction
The CUKTECH 15 Air Power Bank (Model PB150S) is a high-capacity, slim, and portable charging solution designed to power a variety of electronic devices, including laptops, smartphones, and tablets. With its 15,000mAh capacity and 65W fast charging capabilities, it provides reliable power for mobile offices, business trips, and daily use.
2. Product Features
- Slim and Portable Design: Thinner and lighter than many 10,000mAh power banks, weighing approximately 10.8 oz and under 1 inch thick, making it easy to carry.
- 15,000mAh High Capacity: Provides sufficient power for multiple charges, such as an iPhone 17 Pro Max approximately 1.6 times or a Samsung S25 Ultra about 2.2 times.
- 65W Fast Charging Output: Delivers up to 65W USB-C output, capable of charging compatible laptops (e.g., MacBook Air/Pro, Dell XPS, Lenovo) and smartphones rapidly.
- Advanced GaN and Silicon-Carbon Technology: Utilizes GaN and silicon-carbon cells for faster, cooler, and safer charging, enhancing efficiency and product lifespan.
- 3-Port Charging Capability: Equipped with multiple ports to charge up to three devices simultaneously with smart power distribution, supporting a total output of up to 100W.
- Smart TFT Digital Display: A color display provides real-time information on battery level, input/output power, and estimated recharge time.
- Quick Recharge: Supports up to 100W input for rapid self-charging, reaching approximately 23% battery in 10 minutes when paired with a 100W PD charger.
- Safety Certified and Flight-Ready: Features CCC (3C) certification and is compliant with U.S. airline carry-on regulations (under 100Wh).
3. Setup
3.1 Unboxing and Included Accessories
Upon opening the package, ensure all components are present:
- CUKTECH 15 Air Power Bank (Model PB150S)
- USB-C to USB-C Charging Cable (240W compatible)
- Storage Pouch
- User Manual

Image: The CUKTECH 15 Air Power Bank shown with its included 240W USB-C cable.
3.2 Initial Charging of the Power Bank
Before first use, fully charge the CUKTECH 15 Air Power Bank. For optimal charging speed, use a 100W Power Delivery (PD) compatible wall charger (not included) with the provided USB-C cable.
- Connect one end of the included USB-C cable to the power bank's input port (C1 IN).
- Connect the other end of the USB-C cable to a compatible wall charger.
- The TFT digital display will show the charging status, including battery percentage and estimated time to full charge.

Image: The power bank connected to a wall adapter for self-charging, displaying 100W input.
4. Operating Instructions
4.1 Charging Your Devices
The CUKTECH 15 Air Power Bank features multiple output ports for charging various devices:
- USB-C Output Ports (C1 OUT, C2 OUT): Use these ports with a USB-C to USB-C cable for fast charging compatible laptops, smartphones, and tablets.
- USB-A Output Port (A OUT): Use this port with a USB-A to compatible cable for charging smartphones, smartwatches, and other USB-A powered devices.
To charge a device:
- Connect one end of your device's charging cable to the appropriate output port on the power bank.
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. The TFT display will show the output power.

Image: The power bank simultaneously charging a laptop, smartphone, and wireless earbuds, demonstrating its 3-port capability.
4.2 Understanding the TFT Digital Display
The integrated TFT color display provides essential information at a glance:
- Battery Percentage: Shows the remaining charge of the power bank.
- Input/Output Power: Displays the current wattage being drawn by devices or supplied to the power bank during self-charging.
- Estimated Recharge Time: Indicates how long it will take to fully recharge the power bank.
- UI Flip: Allows you to invert the display orientation for convenience.
- Screen Always-On Control: Option to keep the screen continuously active.
- Input/Output Direction Control: Manages the flow of power for specific scenarios.

Image: Detailed view of the Smart TFT Digital Display, highlighting real-time data monitoring, current/voltage visualization, UI flip, high-low temperature protection, screen always-on control, and input/output direction control.
4.3 Video Demonstration
Video: An official demonstration of the CUKTECH 15 Air Power Bank, showcasing its features and usage.
5. Maintenance
5.1 Cleaning
To maintain the power bank's appearance and functionality:
- Wipe the exterior with a soft, dry cloth.
- Avoid using harsh chemicals, abrasive cleaners, or solvents.
- Ensure ports are free of dust and debris.
5.2 Storage
Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to charge the power bank to approximately 50-75% capacity and recharge it every 3-6 months to preserve battery health.
5.3 Temperature Guidelines
The power bank includes built-in thermal control. Operate and store the device within recommended temperature ranges to ensure optimal performance and safety. Avoid exposing it to very high or very low temperatures.
6. Troubleshooting
If you encounter issues with your CUKTECH 15 Air Power Bank, refer to the following common solutions:
6.1 Device Not Charging
- Check Cable: Ensure the charging cable is securely connected to both the power bank and your device. Try a different cable to rule out cable malfunction.
- Check Power Bank Charge: Verify that the power bank has sufficient charge using the TFT display.
- Verify Port: Ensure you are using an output port (C1 OUT, C2 OUT, A OUT) and not the input port for charging your device.
- Restart Power Bank: Disconnect all cables, wait a few seconds, and then reconnect.
6.2 Power Bank Not Self-Charging
- Check Input Cable: Ensure the USB-C cable is connected to the C1 IN port on the power bank and securely to a wall charger.
- Check Wall Charger: Verify that the wall charger is functioning correctly and is capable of providing sufficient power (preferably 100W PD for fast charging).
- Try Different Outlet: Plug the wall charger into a different power outlet.
6.3 Slow Charging
- Cable Quality: Use a high-quality, fast-charging compatible cable. The provided 240W USB-C cable is recommended.
- Device Compatibility: Ensure your device supports fast charging protocols compatible with the power bank (e.g., Power Delivery).
- Multiple Devices: Charging multiple devices simultaneously may distribute power, potentially reducing the charging speed for individual devices.
6.4 Display Issues
- Screen Orientation: If the display is upside down, use the UI flip function as described in Section 4.2.
- Screen Not Turning On: Press the power button briefly. If it remains off, ensure the power bank has charge.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | PB150S |
| Brand | CUKTECH |
| Battery Capacity | 15000 Milliamp Hours |
| Connector Type | USB Type A, USB Type C |
| Number of Ports | 3 (2x USB-C, 1x USB-A) |
| Max Output Power | 65W (single port), 100W (total) |
| Max Input Power | 100W |
| Rapid Charging Performance | 23% in 10 min (with 100W PD charger) |
| Battery Cell Type | Lithium Polymer (Silicon-Carbon) |
| Compatible Devices | Camera, Laptop, Smartphone, Smartwatch, Tablet |
| Item Dimensions (L x W x Th) | 5.2" x 0.83" x 2.83" (13.2cm x 2.1cm x 7.2cm) |
| Battery Weight | 80 Grams |
| Special Features | Digital Display, Fast Charging, Lightweight, Pocket Size, Slim, GaN Technology |
| Certifications | CCC Safety Certified, Airline-compliant (under 100Wh) |
8. Warranty and Support
8.1 Warranty Information
The CUKTECH 15 Air Power Bank comes with a 24-Month Warranty against manufacturing defects. Please retain your proof of purchase for warranty claims.
8.2 Customer Support
For any questions, technical assistance, or warranty inquiries, please contact CUKTECH customer support:
- Email: service@cuktech.com
- Online Support: Visit the official CUKTECH website for FAQs and additional resources.