1. Introduction
Thank you for choosing the boogostore PS-155 Portable Power Bank. This device is designed to provide reliable and fast charging for your electronic devices on the go. Please read this manual carefully before use to ensure proper operation and to maximize the lifespan of your power bank.
2. Package Contents
- 1x boogostore PS-155 Portable Power Bank (52800mAh)
- 1x USB-C Charging Cable
- 1x User Manual
3. Product Overview
The boogostore PS-155 features multiple charging ports, an LED digital display, and a built-in flashlight for convenience.

Image 3.1: Front view of the boogostore PS-155 Portable Power Bank, showing the LED display and included USB-C cable.
3.1 Ports and Indicators
- USB-C Port (Input/Output): Supports PD 30W fast charging for both charging the power bank and charging compatible devices.
- USB-A Ports (Output): Two USB-A ports supporting QC 4.0 (22.5W) fast charging for various devices.
- LED Digital Display: Shows the remaining battery percentage.
- Power Button: Activates the LED display and controls the flashlight.
- Built-in Flashlight: Provides illumination for outdoor or emergency situations.

Image 3.2: Diagram illustrating the USB-A (22.5W output) and USB-C (30W input/output) ports on the power bank.

Image 3.3: The power bank's integrated LED flashlight providing illumination.
4. Specifications
| Feature | Detail |
|---|---|
| Model Number | PS-155 |
| Battery Capacity | 52800mAh |
| USB-C Output/Input | PD 30W Max |
| USB-A Output (x2) | QC 4.0 (22.5W Max per port) |
| Battery Type | Lithium Polymer |
| Product Dimensions | 6.77 x 3.34 x 1 inches |
| Item Weight | 1.1 pounds |
| Special Features | Fast Charging, LED Digital Display, Built-in Flashlight |
5. Setup
5.1 Initial Charging of the Power Bank
- Before first use, fully charge the power bank.
- Connect the provided USB-C cable to the power bank's USB-C port.
- Connect the other end of the USB-C cable to a compatible USB wall charger (not included). For optimal charging speed, use a PD 30W compatible charger.
- The LED digital display will show the charging progress. The power bank is fully charged when the display shows "100%".

Image 5.1: The power bank being recharged using a USB-C cable and a wall adapter.
6. Operating Instructions
6.1 Charging Your Devices
- Connect your device to one of the power bank's output ports (USB-A or USB-C) using an appropriate charging cable.
- The power bank will automatically begin charging your device. The LED display will show the remaining battery percentage.
- The power bank supports simultaneous charging of up to three devices.

Image 6.1: Illustration of three mobile devices being charged concurrently from the power bank's USB-C and two USB-A ports.

Image 6.2: A smartphone being charged directly from the power bank using a USB-C to USB-C cable.
6.2 Using the LED Digital Display
- Single Press: Press the power button once to activate the LED display and check the remaining battery percentage.
- Double Press: Quickly press the power button twice to turn off the LED display.
6.3 Operating the Flashlight
- Turn On: Long press the power button for 3 seconds to turn on the built-in flashlight.
- Turn Off: Long press the power button for 3 seconds again to turn off the flashlight.

Image 6.3: Visual guide on how to operate the LED display and the integrated flashlight using the power button.
7. Maintenance
- Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the power bank to strong impacts.
- Clean the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- If the power bank will not be used for an extended period, charge it to approximately 50-75% every three months to maintain battery health.
8. Troubleshooting
- Power bank not charging: Ensure the charging cable is securely connected to both the power bank and the wall adapter. Verify the wall adapter is functioning correctly and provides sufficient power (PD 30W recommended).
- Device not charging from power bank: Check if the power bank has sufficient charge. Ensure the charging cable connecting your device to the power bank is functional and properly connected. Some devices may require a specific cable type.
- Slow charging: Ensure both the power bank and your device support fast charging protocols (PD 30W, QC 4.0). Use a high-quality, compatible charging cable.
- Flashlight not working: Ensure the power bank has charge. Long press the power button for 3 seconds to activate the flashlight.
9. Safety Information
- Do not disassemble, modify, or repair the power bank yourself.
- Keep the power bank away from water, fire, and high temperatures.
- Avoid exposing the power bank to direct sunlight for prolonged periods.
- Do not use the power bank if it is damaged or shows signs of swelling, leakage, or overheating.
- Keep out of reach of children.
- Dispose of the power bank according to local regulations. Do not dispose of it with household waste.
10. Warranty and Support
boogostore provides intimate 24-hour after-sales service and lifetime friendly customer service for this product. If you encounter any issues or have questions after purchasing, please do not hesitate to contact us. We are committed to providing you with a satisfactory solution.
For support, please refer to the contact information provided with your purchase or visit the official boogostore website.