Introduction
Thank you for choosing the SIXTHGU PowerTower P1 20,000mAh Laptop Power Bank. This device is designed to provide reliable and high-speed charging for your laptops, tablets, and smartphones, ensuring you stay powered on the go. Please read this manual carefully before using the product to ensure safe and optimal performance.
Package Contents
- SIXTHGU PowerTower P1 Power Bank (Model: S2112)
- USB-C to USB-C Cable (Emark 240W)
- Welcome Guide / User Manual
Video: Unboxing the SIXTHGU PowerTower P1 Power Bank, showing the power bank, USB-C cable, and user manual.
Important Safety Information
- Do not expose the power bank to extreme temperatures (above 60°C/140°F) or direct sunlight.
- Do not disassemble, modify, or repair the device.
- Keep away from water, moisture, and flammable materials.
- Avoid dropping or subjecting the device to strong impacts.
- Keep out of reach of children.
- Dispose of the power bank according to local regulations.
- This device is flight-approved for travel, complying with TSA regulations.

Image: Diagram illustrating the multiple safety protection features of the power bank, including charge low/high temperature protection, discharge low/high temperature protection, battery short-circuit protection, output overvoltage protection, charging undervoltage protection, battery over-temperature protection, battery overdischarge protection, output overcurrent protection, charging overvoltage protection, USB-C overcharge protection, Type-C port overheat protection, and USB-A overcharge protection.
Setup and Initial Charge
- Unpack: Carefully remove the PowerTower P1 and all accessories from the packaging.
- Initial Charge: Before first use, fully charge the power bank. Connect the included USB-C to USB-C cable to one of the USB-C ports on the power bank and to a compatible 140W or higher power adapter (not included).
- Monitor Charging: The smart digital display will show the charging status, input wattage, and estimated time to full charge.

Image: The SIXTHGU PowerTower P1 being recharged via a wall adapter, showing the display indicating "Fully Recharged in 1 Hour 20 Minutes" with a 140W charger input.
Operating Instructions
Powering On/Off and Display
- Power On: Press the circular button on the front of the power bank to activate the digital display and begin charging.
- Display Information: The display shows remaining battery percentage, input/output wattage for each port (Type-C1, Type-C2, USB-A), and estimated charging/discharging time.
- Low-Power Mode: Long press the button for 3 seconds to activate Low-Power Mode (indicated by a blue dot on the display), suitable for charging small devices like earbuds or smartwatches.
- Screen Display Time: Long press the button for 3 seconds from the standby setting screen to switch between 30 seconds and "Always On" display modes.

Image: The smart digital display of the PowerTower P1 showing battery percentage, real-time power output for C1, C2, and A ports, and estimated time to recharge/remaining battery in hours.

Image: Instructions for using the single button to activate Low-Power Mode (long press 3s from main screen) and to switch screen display time (long press 3s from standby setting screen).
Charging Devices
- Connect Devices: Use appropriate USB-C or USB-A cables to connect your devices to the corresponding ports on the power bank.
- Fast Charging:
- USB-C1: Up to 140W Max output (requires a 5A cable with E-Marker chip for full 140W).
- USB-C2: Up to 100W Max output.
- USB-A: Up to 22.5W Max output.
- Multiple Devices: The power bank supports simultaneous charging of up to three devices with a total combined output of 200W.

Image: The SIXTHGU PowerTower P1 connected via USB-C to a MacBook Pro, demonstrating 140W fast charging. The power bank's display shows the charging wattage.

Image: The SIXTHGU PowerTower P1 simultaneously charging a laptop, a tablet, and a smartphone, illustrating its multi-device charging capability.
Video: A user demonstrating the SIXTHGU PowerTower P1 charging a MacBook Pro 16" to 50% in 30 minutes, and then charging multiple devices simultaneously, including a laptop, phone, and Nintendo Switch, with real-time intelligent monitoring on the display.
Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Do not use liquid cleaners or aerosols.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- Regular Use: To prolong battery life, it is recommended to fully charge and discharge the power bank at least once every three months if not in regular use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging | Cable not properly connected; power adapter insufficient; power bank battery depleted. | Ensure cables are securely connected. Use a compatible 140W or higher power adapter. Allow sufficient time for charging. |
| Device not charging from power bank | Power bank battery depleted; incorrect cable; device not compatible; power bank in low-power mode for high-power device. | Check power bank battery level. Use the correct cable for your device. Ensure device is compatible with power bank output. Exit low-power mode if charging a laptop or tablet. |
| Slow charging speed | Cable not supporting fast charging; multiple devices connected reducing individual output; device not supporting fast charging. | Use the included Emark 240W USB-C cable or another high-quality fast-charging cable. Disconnect other devices if maximum speed is required for one device. Ensure your device supports PD 3.1 or QC 4.0. |
| Digital display not working | Power bank is off; display timeout. | Press the power button to turn on the display. Adjust display timeout settings by long-pressing the button from the standby screen. |
Specifications
- Model: S2112
- Battery Capacity: 20,000mAh / 73Wh
- Max Output: 200W (Total)
- USB-C1 Output: Up to 140W (PD 3.1)
- USB-C2 Output: Up to 100W (PD 3.1)
- USB-A Output: Up to 22.5W (QC 4.0)
- Input: Up to 140W (USB-C1)
- Dimensions: 6.2"L x 2.6"W x 1.6"Th
- Weight: Approximately 0.96 Ounces (27.2 grams)
- Battery Cell Type: Lithium Ion
- Special Features: Digital Display, Fast Charging, Flight-Approved
- Compatible Devices: Laptops (e.g., MacBook), Smartphones (e.g., iPhone 15/16 series), Tablets, and more.
Warranty and Customer Support
The SIXTHGU PowerTower P1 comes with an 18-month worry-free warranty. For any questions, technical support, or warranty claims, please contact SIXTHGU customer support through the retailer where you purchased the product or refer to the contact information provided in your welcome guide.
You may also visit the official SIXTHGU store for more information: SIXTHGU Store



