1. Introduction
Thank you for choosing the pTron Dynamo Power 20000mAh Power Bank. This device is designed to provide reliable and fast charging for your electronic devices on the go. With its high capacity, multiple output options, and advanced safety features, it ensures your devices stay powered whenever you need them.

Image 1: pTron Dynamo Power 20000mAh Power Bank
2. What's in the Box
Please check the package contents to ensure all items are present:
- 1N pTron Dynamo Power Bank
- 1N Type-C USB Charging Cable (30cm USB-A to Type-C 3A)
Video 1: Unboxing and overview of the pTron Dynamo Power Bank, showing its contents and key features.
3. Product Features
The pTron Dynamo Power Bank offers a range of features for efficient and safe charging:
- High Capacity: 20000mAh battery for multiple device charges.
- Super Fast Charging: Supports 22.5W fast wired charging via USB-A and 20W Power Delivery (PD) via Type-C port.
- Built-in Cables: Includes a 22.5W Type-C cable and a 10W iOS cable for convenience.
- Multiple Outputs: Four charging outputs: 1x USB-A Port, 1x Type-C/PD Port, 1x Built-in Type-C Cable, 1x Built-in iOS Cable.
- Universal Compatibility: Compatible with PD (Power Delivery), Quick Charge (QC3.0), VOOC/WARP/DASH fast charging protocols.
- Digital Display: Clear digital display shows the exact battery percentage available.
- Advanced Protection: Multiple layers of safety protection, including over current, short circuit, over voltage, overload, electrostatic, and circuit identification protection.
- Type-C Input/Output: The Type-C port functions as both an input for charging the power bank and an output for charging devices.

Image 2: Fast Charging Ports and Built-in Cables

Image 3: Multiple Charging Protocol Support
4. Setup and Charging the Power Bank
Before using your pTron Dynamo Power Bank for the first time, it is recommended to fully charge it.
4.1 Charging the Power Bank
- Connect the provided Type-C USB cable to the power bank's Type-C Input/Output port.
- Connect the other end of the cable (USB-A) to a compatible USB wall adapter (not included). For optimal charging speed, use a fast-charging adapter.
- The digital display on the power bank will show the charging progress, indicating the current battery percentage.
- Once the display shows "100%", the power bank is fully charged and ready for use.
Note: The Type-C port supports 5V/3A, 9V/2A, 12V/1.67A (Max 20W) input.

Image 4: Power Bank Components and Ports
5. Operating the Power Bank (Charging Devices)
The pTron Dynamo Power Bank allows you to charge up to four devices simultaneously.
5.1 Charging Your Devices
- Using Built-in Cables: Pull out the integrated Type-C or iOS cable from the side of the power bank and connect it directly to your compatible device.
- Using USB-A Port: Connect your device's charging cable to the USB-A output port on the power bank.
- Using Type-C/PD Port: Connect your device's Type-C charging cable to the Type-C Input/Output port on the power bank.
- The power bank will automatically detect the connected device and begin charging. The digital display will show the remaining battery percentage.
Note: For fast charging (up to 22.5W/20W), ensure your device and charging cable support PD3.0 or QC3.0.

Image 5: Charging Multiple Devices Simultaneously
6. Safety Information
The pTron Dynamo Power Bank is equipped with multiple safety features to protect your devices and the power bank itself. Please adhere to the following safety guidelines:
- Over Current Protection: Prevents damage from excessive current flow.
- Short Circuit Protection: Automatically shuts off in case of a short circuit.
- Over Voltage Protection: Safeguards against voltage spikes.
- Overload Protection: Protects against drawing too much power.
- Electrostatic Protection: Shields against electrostatic discharge.
- Circuit Identification Protection: Ensures proper power delivery.
General Safety Precautions:
- Do not expose the power bank to extreme temperatures (hot or cold), direct sunlight, or high humidity.
- Do not disassemble, modify, or attempt to repair the device.
- Keep away from water and other liquids.
- Avoid dropping or subjecting the power bank to strong impacts.
- Use only approved charging cables and adapters.
- Keep out of reach of children.

Image 6: Multiple Layers of Protection
7. Troubleshooting
If you encounter any issues with your pTron Dynamo Power Bank, please refer to the following common solutions:
- Power bank not charging: Ensure the charging cable is securely connected to both the power bank and the wall adapter. Try a different cable or adapter.
- Device not charging from power bank: Check if the power bank has sufficient charge. Ensure the charging cable is properly connected to both the power bank and your device. Try a different output port or cable.
- Slow charging: Verify that your device and cable support fast charging protocols (PD3.0, QC3.0) if you expect fast charging speeds. Ensure the power bank itself is fully charged.
- Digital display not working: Press the power button briefly to activate the display. If it remains off, the power bank might be completely discharged or require service.
If the problem persists, please contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | Dynamo |
| Model Number | Dynamo Power |
| Battery Capacity | 20000mAh |
| Battery Cell Type | Lithium Polymer |
| Input (Type-C) | 5V/3A, 9V/2.22A, 12V/1.67A (Max 20W) |
| Output (Type-C) | 5V/3A, 9V/2.22A, 12V/1.67A (Max 20W) |
| Output (USB-A) | 4.5V/5A, 5V/4.5A, 9V/2A, 12V/1.5A (Max 22.5W) |
| Built-in Type-C Cable Output | Max 22.5W |
| Built-in iOS Cable Output | Max 10W |
| Number of Ports/Outlets | 4 (1x USB-A, 1x Type-C, 1x Built-in Type-C, 1x Built-in iOS) |
| Dimensions (L x W x Thickness) | 14.3L x 6.9W x 3.1Th Centimeters |
| Item Weight | 420 Grams |
| Color | Green |
| Special Features | Built-in Cables, Digital Display, Fast Charging, Over Charging Protection, Short Circuit Protection |
9. Warranty and Support
Your pTron Dynamo Power Bank comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
For warranty claims, technical support, or any other inquiries, please contact:
- Manufacturer: Palred Electronics Pvt. Ltd.
- Customer Care Contact: 040-67138888
- Email: support@ptron.in