1. Introduction
Thank you for choosing the pTron Dynamo Surge 20000mAh 22.5W Fast Charging 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 optimal performance and safety.
2. Package Contents
- 1N pTron Dynamo Surge 20000mAh Power Bank
- 1N Type-C Charging Cable
- User Manual
3. Product Features
- High Capacity: 20000mAh Li-polymer battery for extended power.
- Fast Charging Output: Up to 22.5W via USB-A ports and 20W Power Delivery (PD) via Type-C port.
- Multiple Outputs: Three charging outputs (1x Type-C/PD, 2x USB-A) to charge multiple devices simultaneously.
- Versatile Input: One Type-C/PD input for recharging the power bank.
- Advanced Protection: Multiple layers of protection including over-voltage, over-current, over-temperature, and short-circuit protection.
- LED Indicators: 4 LED lights to indicate battery charge level.
- Universal Compatibility: Compatible with smartphones, tablets, headphones, and other USB-powered devices.
- BIS Certified: Ensures product safety and quality standards.

Image: The pTron Dynamo Surge Power Bank highlighting its 20000mAh capacity.

Image: The pTron Dynamo Surge Power Bank showcasing its BIS certification and multiple layers of protection.
4. Product Diagram

Image: Detailed view of the pTron Dynamo Surge Power Bank's ports and LED indicators.
- Power On/Off Button: Activates the power bank and checks battery level.
- LED Indicators: Displays the remaining battery charge.
- USB Output 1 (OUT1): 22.5W fast charging output.
- USB Output 2 (OUT2): 22.5W fast charging output.
- Type-C Port (TYPE-C): 18W PD input for charging the power bank, and 20W PD output for charging devices.
5. Setup and Initial Use
5.1 Charging the Power Bank
- Connect the provided Type-C charging cable to the Type-C input port on the power bank.
- Connect the other end of the cable to a compatible USB wall adapter (not included). For optimal charging speed, use an 18W PD compatible adapter.
- The LED indicators will light up to show the charging status. All four LEDs will be solid when fully charged.
- A full charge typically takes approximately 9 hours with a suitable adapter.
5.2 Charging Your Devices
- Press the Power On/Off button once to activate the power bank.
- Connect your device to one of the USB-A output ports (OUT1 or OUT2) or the Type-C port using an appropriate charging cable.
- The power bank will automatically begin charging your device. Ensure your device and cable support fast charging protocols (VOOC/Wrap/Dash/PD/QC) to utilize the power bank's full speed capabilities.
- You can charge up to three devices simultaneously.

Image: The pTron Dynamo Surge Power Bank with labeled input and output ports for charging.

Image: The pTron Dynamo Surge Power Bank demonstrating simultaneous charging of multiple devices with 20W PD.
6. LED Indicator Guide
The pTron Dynamo Surge Power Bank features 4 LED lights to indicate the remaining battery capacity:
- 1 LED lit: 0-25% battery remaining
- 2 LEDs lit: 25-50% battery remaining
- 3 LEDs lit: 50-75% battery remaining
- 4 LEDs lit: 75-100% battery remaining (fully charged)
During charging, the LEDs will blink to indicate the current charging segment, and become solid as each segment is completed.
7. Safety Precautions
- Do not expose the power bank to extreme temperatures, direct sunlight, or fire.
- Avoid dropping, hitting, or disassembling the device.
- Keep the power bank away from water and other liquids.
- Do not use the power bank if it is damaged or swollen.
- Keep out of reach of children.
- Use only certified charging cables and adapters.
- Dispose of the power bank responsibly according to local regulations.
8. Troubleshooting
- Power bank not charging: Ensure the charging cable and wall adapter are working correctly and properly connected. Try a different cable or adapter.
- Device not charging from power bank: Press the power button to activate the power bank. Ensure your device's charging cable is securely connected to both the power bank and your device. Check if the power bank has sufficient charge.
- Slow charging: Ensure your device and charging cable support fast charging protocols. Some devices may limit charging speed if they are too hot or cold.
- LEDs not lighting up: The power bank might be completely discharged. Connect it to a power source for charging.
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | Dynamo |
| Battery Capacity | 20000mAh |
| Battery Cell Type | Lithium Polymer |
| Type-C Input | 18W PD (5V/3A, 9V/2A, 12V/1.5A) |
| USB Output 1 (OUT1) | 22.5W (5V/3A, 9V/2.22A, 12V/1.65A, 10V/2.25A) |
| USB Output 2 (OUT2) | 22.5W (5V/3A, 9V/2.22A, 12V/1.65A, 10V/2.25A) |
| Type-C Output | 20W PD (5V/3A, 9V/2.22A, 12V/1.65A) |
| Number of Ports | 3 Outputs (2x USB-A, 1x Type-C), 1 Input (Type-C) |
| Rapid Charging Performance | 50% in 30 minutes (for compatible devices) |
| Power Bank Charge Time | Approx. 9 Hours (with 18W PD adapter) |
| Dimensions (L x W x T) | 14.3L x 7W x 3Th Centimeters |
| Weight | 407 Grams |
| Country of Origin | India |
10. Warranty and Support
The pTron Dynamo Surge 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 product-related inquiries, please contact:
- Manufacturer: PALRED ELECTRONICS PVT. LTD.
- Address: SY.NO. 56, 1ST FLOOR, GUNDLAPOCHAMPALLY VILLAGE, TECH PARK MTP, TSIIC-IALA NACHARAM, HYDERABAD - 500076, TELANGANA, INDIA
- Customer Care Contact: 040-67138888
- Email: support@ptron.in