Hrebos PB-912
Hrebos PB-912 Magnetic 5000mAh Power Bank User Manual
Model: PB-912
1. Introduction
The Hrebos PB-912 Magnetic X is a portable 5000mAh power bank designed to provide extra charge with daily convenience. This model combines up to 15W wireless charging, magnetic attachment, and USB-C connectivity, suitable for compatible smartphones, headphones, and other electronic accessories. Its compact design facilitates transport and use during short trips, work, and daily routines.
2. Package Contents
- Hrebos PB-912 Magnetic Power Bank
- USB-C Charging Cable
- User Manual
3. Product Overview
Familiarize yourself with the components of your Hrebos PB-912 Magnetic Power Bank.

Image: Front and back view of the Hrebos PB-912 Magnetic Power Bank, displaying its compact form factor, magnetic charging area, USB-C port, and regulatory information.
- Magnetic Wireless Charging Pad: For wireless charging compatible devices.
- USB-C Port: Used for both charging the power bank and charging other devices.
- LED Indicators: Display battery level and charging status.
- Power Button: To activate or check battery status.
4. Setup
4.1 Charging the Power Bank
- Connect the provided USB-C cable to the USB-C port on the Hrebos PB-912 power bank.
- Connect the other end of the USB-C cable to a compatible USB power adapter (not included).
- The LED indicators will illuminate to show the charging progress. A full charge is indicated when all LEDs are solid.
Note: For optimal charging speed, use a power adapter that supports fast charging protocols.
5. Operating Instructions
5.1 Wireless Charging
The Hrebos PB-912 supports magnetic wireless charging up to 15W for compatible devices.
- Ensure the power bank is sufficiently charged.
- Align your compatible device (e.g., smartphone with magnetic charging support) with the magnetic charging pad on the power bank. The magnets will help secure the device in place.
- The device should begin charging automatically. Check your device's screen for the charging indicator.

Image: A hand placing the Hrebos PB-912 power bank onto the back of a smartphone, demonstrating the magnetic attachment for wireless charging.
Note: Remove any metal objects or thick cases from your device that may interfere with wireless charging.
5.2 Wired Charging (USB-C Output)
Use the USB-C port to charge devices that do not support wireless charging or for faster wired charging.
- Connect one end of a USB-C to USB-C cable (or appropriate cable for your device) to the USB-C port on the power bank.
- Connect the other end of the cable to your device (e.g., smartphone, earbuds, smartwatch).
- The power bank will automatically begin charging your device.

Image: The Hrebos PB-912 power bank connected via a USB-C cable to a pair of wireless earbuds, illustrating its versatility for charging various devices.
5.3 Checking Battery Level
Press the power button once to check the remaining battery level indicated by the LED lights.
6. Maintenance
- Keep the power bank away from water, moisture, and extreme temperatures.
- Avoid dropping or subjecting the power bank to strong impacts.
- Clean the surface with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the power bank in a cool, dry place when not in use for extended periods.
- Recharge the power bank at least once every three months to maintain battery health.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging. | Cable not connected properly; faulty cable/adapter; power bank battery depleted. | Ensure cable is securely connected. Try a different USB-C cable or power adapter. Allow power bank to charge for a longer period. |
| Device not charging wirelessly. | Device not compatible; improper alignment; thick case/metal objects interfering. | Verify device supports wireless charging. Realign device on the charging pad. Remove thick cases or metal objects. |
| Device not charging via USB-C. | Cable not connected properly; faulty cable; device not compatible. | Ensure cable is securely connected. Try a different USB-C cable. Verify device compatibility. |
| Slow charging speed. | Using a low-power adapter/cable; device not supporting fast charging. | Use a high-quality USB-C cable and a power adapter that supports fast charging (e.g., 15W or higher). |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | PB-912 |
| Brand | Hrebos |
| Battery Capacity | 5000mAh |
| Wireless Charging Output | Up to 15W |
| USB-C Input | 5V/1A (5W) |
| USB-C Output | 5V/1A (5W) |
| Connector Type | USB Type C |
| Special Features | Wireless Charging, Compact, Magnetic Attachment, Portable, USB-C |
| Voltage | 5 Volts (DC) |
| Max Output Power | 15 Watts (Wireless) |
| Item Weight | 157 Grams |
| Item Dimensions (L x W x H) | 140 x 90 x 20 mm |
| Compatible Devices | Headphones, Smartphone, Smartwatch |
| External Test Certification | Anatel 06608-24-15621 |
9. Warranty Information
This Hrebos PB-912 Magnetic Power Bank comes with a 1-year limited manufacturer's warranty against manufacturing defects. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
10. Customer Support
For technical support, warranty claims, or further assistance, please contact Hrebos customer service through their official website or the retailer where the product was purchased. Please have your model number (PB-912) and proof of purchase ready.
Official Hrebos Website: www.hrebos.com.br
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