1. Product Overview
The Baseus QPow3 20000mAh 45W Power Bank is a portable charging solution designed for various electronic devices. It features a high-capacity battery, multiple charging ports, and integrated USB-C cables for convenience. This manual provides essential information for the safe and efficient use of your power bank.

Figure 1: Front view of the Baseus QPow3 Power Bank, showing the digital display and 45W branding.
1.1 Key Features
- 20000mAh High Capacity: Provides multiple charges for smartphones, tablets, and other compatible devices.
- 45W Bidirectional Fast Charging: Supports PD3.0/PPS 45W, QC4+/QC3.0/QC2.0 protocols for rapid charging of devices and quick recharging of the power bank itself.
- Integrated USB-C Cables: Two built-in USB-C cables offer convenient charging without needing to carry extra cables. One cable supports 45W output, the other 30W input/45W output.
- Multiple Output Ports: Features two integrated USB-C cables, one USB-C port, and one USB-A port, allowing simultaneous charging of up to four devices.
- Advanced Safety Protections: Equipped with multiple safety features including overcharge, deep discharge, short-circuit, and temperature protection.
- Portable Design: Compact and airline-approved, making it suitable for travel and daily use.

Figure 2: Illustration of the 20000mAh capacity, showing estimated charges for various devices and airline approval status.
2. Setup and Initial Use
2.1 What's in the Box
- 1 x Baseus QPow3 20000mAh 45W Power Bank
- 1 x User Manual
2.2 Initial Charge
Before first use, it is recommended to fully charge your Baseus QPow3 Power Bank. Connect the power bank to a suitable power adapter using one of the integrated USB-C cables or the dedicated USB-C port. The digital display will show the charging progress.
2.3 Port Identification

Figure 3: Diagram illustrating the four charging options on the Baseus QPow3 Power Bank.
- Integrated USB-C Cable 1: Output 45W.
- Integrated USB-C Cable 2: Input 30W / Output 45W.
- USB-C Port: Input 30W / Output 45W.
- USB-A Port: Output 33W.
Note: To ensure optimal battery lifespan, always use the corresponding interfaces for charging.
3. Operating Instructions
3.1 Charging Devices
To charge your electronic devices:
- Connect your device to one of the power bank's output options (integrated USB-C cables, USB-C port, or USB-A port).
- The power bank will automatically begin charging your device. The digital display will show the remaining battery percentage.
- You can charge up to four devices simultaneously.
The 45W bidirectional fast charging supports protocols like PD3.0/PPS 45W, QC4+/QC3.0/QC2.0. For example, an iPhone 16 Pro Max can be charged to approximately 55% in 30 minutes, and a Samsung Galaxy S24 Ultra to approximately 55% in 30 minutes.

Figure 4: Visual representation of 45W ultra-fast charging, showing charge percentages for iPhone 16 and Galaxy S25 Ultra after 30 minutes.
3.2 Recharging the Power Bank
To recharge the Baseus QPow3 Power Bank:
- Connect a suitable power adapter (not included) to either the integrated USB-C Cable 2 (30W input) or the USB-C Port (30W input) on the power bank.
- The digital display will indicate the charging status and current battery level.
- Once fully charged, disconnect the power bank from the power adapter.
3.3 Energy-Saving Mode
To activate or deactivate the energy-saving mode, double-press the power button. This mode is designed to protect low-power devices and can provide over 2 hours of operation for such devices.
4. Maintenance and Safety
4.1 General Care
- Keep the power bank away from water, moisture, and extreme temperatures.
- Avoid dropping or subjecting the power bank to strong impacts.
- Clean the power bank with a dry, soft cloth. Do not use harsh chemicals or abrasive materials.
- Store the power bank in a cool, dry place when not in use.
4.2 Safety Features
The Baseus QPow3 Power Bank incorporates multiple safety mechanisms to ensure reliable operation and protect your devices:

Figure 5: Diagram illustrating the internal thermal control and nine layers of safety protection, including overcharge, over-discharge, overvoltage, thermal, overcurrent, overpower, recovery, short-circuit, and electromagnetic field protection.
- Overcharge Protection: Prevents the battery from being charged beyond its capacity.
- Deep Discharge Protection: Protects the battery from being fully depleted, extending its lifespan.
- Overvoltage Protection: Safeguards against excessive voltage input.
- Thermal Protection: Monitors and regulates the internal temperature to prevent overheating.
- Overcurrent Protection: Prevents damage from excessive current flow.
- Overpower Protection: Protects against power surges.
- Recovery Protection: Ensures safe recovery from abnormal states.
- Short-Circuit Protection: Automatically cuts off power in case of a short circuit.
- Electromagnetic Field Protection: Shields against electromagnetic interference.
4.3 Integrated Cable Durability
The integrated USB-C cables are constructed from reinforced TPE material and have been tested to withstand over 10,000 twists, ensuring durability for daily use. The cables also serve as a convenient lanyard for easy transport.

Figure 6: Image showing the integrated cable being used as a lanyard and illustrating its length and durability against twisting.
5. Troubleshooting
- Power Bank not charging:
- Ensure the charging cable is securely connected to both the power bank and the power adapter.
- Verify that the power adapter is functioning correctly and connected to a live power source.
- Try using a different USB-C cable or port for recharging.
- Device not charging from Power Bank:
- Ensure the power bank has sufficient charge (check the digital display).
- Verify that the charging cable is securely connected to both the power bank and your device.
- Try using a different output port or integrated cable on the power bank.
- Confirm your device is compatible with the power bank's charging specifications.
- Slow charging:
- Ensure both the power bank and your device support fast charging protocols.
- Use a high-quality, fast-charging compatible cable.
- Check if the power bank is in energy-saving mode (double-press the power button to toggle).
- Power Bank feels warm during use:
- It is normal for the power bank to generate some heat during charging or discharging.
- If it becomes excessively hot, disconnect all devices and allow it to cool down. If the issue persists, contact customer support.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | Baseus |
| Model | QPow3 |
| Battery Capacity | 20000 mAh |
| Color | Blue |
| Special Features | Fast Charging, Integrated USB-C Cables |
| Input (USB-C Cable 2 / USB-C Port) | 30W Max |
| Output (Integrated USB-C Cable 1) | 45W Max |
| Output (Integrated USB-C Cable 2 / USB-C Port) | 45W Max |
| Output (USB-A Port) | 33W Max |
| Voltage | 5 Volts (Standard USB) |
| Item Weight | 361 Grams |
| Product Dimensions | 10.4L x 6.8W x 1.9H cm |
| Compatible Devices | Smartphones, Tablets, Laptops (USB-C PD compatible), AirPods Pro, Electric Toothbrushes, etc. |
| UPC | 850073541630 |
7. Warranty and Support
Baseus provides a 24-month warranty for the QPow3 Power Bank from the date of purchase. This warranty covers manufacturing defects and issues arising from normal use.
For any questions, technical support, or warranty claims, please contact Baseus customer service. Contact information can typically be found on the product packaging or the official Baseus website.





