1. Introduction
The CUKTECH NO.20 Power Bank is a high-capacity, fast-charging portable battery designed to power a wide range of electronic devices. With its advanced PD3.1 technology and smart display, it offers efficient and safe charging for laptops, smartphones, tablets, and more.
Key Features:
- 165W Max Output, Ultimate Fast Charging: Single-port maximum 140W, intelligently distributes power for single or multiple devices.
- Mega Battery Life: 25000mAh capacity with Auto-Grade battery, offering over 1000 charge cycles.
- Smart TFT Display: Intuitive 1.54" TFT display shows real-time battery level, power, voltage, and current.
- 4-in-1 Multiport Charger: Charge up to four devices simultaneously with 2x USB-C and 1x USB-A ports.
- Wide Compatibility: Supports PD, PPS, QC, FCP, and SCP protocols for various devices including MacBook Pro/Air, Dell XPS, HP Spectre, iPad Pro, iPhone 16/15/14/13, Samsung Galaxy S23 Ultra/S22, Steam Deck, and more.
2. Product Overview
The CUKTECH NO.20 Power Bank features a sleek design with a durable casing. Its compact form factor makes it suitable for travel, fitting easily into bags and backpacks.
Physical Description:
- Dimensions: 160mm (Height) x 55mm (Width) x 55mm (Depth)
- Weight: Approximately 630 grams
- Ports: 2x USB-C (Input/Output), 1x USB-A (Output)
- Display: 1.54" TFT Smart Display
Figure 1: Front view of the CUKTECH NO.20 Power Bank, showcasing its sleek design and smart display.
Figure 2: Close-up of the 1.54" TFT Smart Display, showing real-time charging information such as battery percentage, total input/output power, and individual port data.
3. Package Contents
Upon unboxing your CUKTECH NO.20 Power Bank, please ensure all the following items are included:
- CUKTECH NO.20 25000mAh 140W Power Bank
- USB-C to USB-C Fast Charging Cable (240W, 6A)
- User Manual
- Carrying Bag
4. Setup
Initial Charging of the Power Bank:
- Connect the provided USB-C to USB-C cable to one of the USB-C input/output ports on the power bank.
- Connect the other end of the cable to a compatible wall charger (e.g., 110W charger for optimal speed).
- The smart TFT display will show the charging status, including input power and estimated time to full charge.
- The power bank can reach 40% charge in approximately 19 minutes with a 110W charger.
Connecting Devices for Charging:
- Use a compatible charging cable for your device.
- Plug one end of the cable into your device and the other end into an available output port (USB-C or USB-A) on the power bank.
- The smart TFT display will automatically activate and show the output power to your connected device(s).
5. Operating Instructions
Charging Devices:
- The power bank supports charging up to four devices simultaneously.
- Single Port Output:
- USB-C1: Up to 140W Max
- USB-C2: Up to 60W Max
- USB-A: Up to 30W Max
- The power bank intelligently distributes power based on the connected devices and their charging requirements.
Figure 3: The power bank actively charging a laptop, a smartphone, and another device simultaneously, demonstrating its multi-port capability.
Figure 4: A user charging a MacBook Pro with the CUKTECH NO.20 Power Bank, highlighting its 140W fast charging capability for laptops.
Low Current Mode:
- To charge smaller devices that require low current (e.g., smartwatches, Bluetooth earbuds, mice), double-press the power button to activate Low Current Mode.
- This mode ensures safe and optimized charging for sensitive electronics.
Smart TFT Display Usage:
- The 1.54" TFT display provides comprehensive real-time information.
- View battery percentage, total input/output power, individual port power, current, voltage, and remaining charge/discharge time.
- The display can be set to 'Always On' or 'Turn Off After 60 Seconds' via the settings.
6. Safety Features
The CUKTECH NO.20 Power Bank is equipped with advanced safety mechanisms to ensure reliable and secure operation:
- 9-Layer Safety Protection: Comprehensive protection against various electrical hazards.
- Temperature Monitoring: Features 3 temperature monitors that perform 3,000 temperature checks per minute to prevent overheating.
- Advanced GaN Technology: Ensures efficient heat dissipation and stable performance.
- Includes protection against short circuit, output overcurrent, input overcurrent, input overvoltage, low ripple, low electromagnetic interference, and electrostatic resistance.
Figure 5: Visual representation of the 9-layer safety protection and efficient heat dissipation provided by Advanced GaN Technology.
7. Specifications
| Feature | Detail |
|---|---|
| Model | NO.20 |
| Battery Capacity | 25000mAh |
| Max Output Power | 165W (Single Port Max 140W) |
| USB-C1 Output | Up to 140W |
| USB-C2 Output | Up to 60W |
| USB-A Output | Up to 30W |
| Max Input Power | Up to 110W |
| Display | 1.54" TFT Smart Display |
| Dimensions (H x W x D) | 160mm x 55mm x 55mm |
| Weight | 630g |
| Battery Type | Auto-Grade |
| Charge Cycles | Over 1000 |
| Fast Charging Protocols | PD, PPS, QC, FCP, SCP |
| Airline Approved | Yes (Complies with battery regulations) |
8. Maintenance
- Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the device to strong impacts.
- Clean the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- For optimal battery life, fully charge the power bank at least once every three months if not in regular use.
9. Troubleshooting
- Device not charging: Ensure the power bank is sufficiently charged. Verify that the charging cable is securely connected to both the power bank and the device. Try a different cable or port.
- Slow charging: Check if your device supports fast charging protocols (PD, QC, etc.). Ensure you are using a compatible fast-charging cable. Charging multiple devices simultaneously may reduce individual port output.
- Power bank not charging: Ensure the input cable is securely connected to a working power source and the power bank's USB-C input port. Try a different wall adapter or cable.
- Display not working: Press the power button to activate the display. If the issue persists, ensure the power bank has sufficient charge.
10. Warranty & Support
- 18-Month Warranty: The CUKTECH NO.20 Power Bank includes an 18-month long-term warranty.
- 7-Day Return: Product can be returned within 7 days of purchase for any non-human quality problems.
- 15-Day Replacement: Product can be replaced within 15 days of purchase for any non-human quality problems.
- For details regarding warranty claims or customer service, please refer to the contact information provided in your product packaging or visit the official CUKTECH website.
