Introduction
The pTron Dynamo Surge 20000mAh Power Bank is designed to provide reliable and fast charging for your mobile devices on the go. Featuring a high-capacity Li-polymer battery and multiple charging outputs, it ensures your devices stay powered throughout the day. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your power bank.
Key Features:
- 20000mAh Li-polymer battery for extended power.
- 22.5W (10V-2.25A USB) fast charging output.
- 20W PD (Power Delivery) fast charging via Type-C port.
- Three charging outputs: 1 x Type-C/PD and 2 x USB.
- One charging input: Type-C/PD.
- Simultaneous charging for up to three devices.
- Multiple layers of advanced protection (Over Voltage, Over Current, Over Temperature, Short Circuit).
- BIS certified for safety and quality.
- LED indicators for battery percentage.
Setup
Before first use, it is recommended to fully charge your pTron Dynamo Surge Power Bank. Use the included Type-C USB cable and a compatible wall adapter (not included) to charge the power bank.
Initial Charging:
- Connect the Type-C end of the included cable to the Type-C input port on the power bank.
- Connect the other end of the cable to a USB wall adapter.
- The LED indicators on the power bank will illuminate to show the charging progress. Four lights indicate a full charge.

Figure 1: The pTron Dynamo Surge Power Bank, showcasing its sleek design and port layout.

Figure 2: Close-up of the power bank's power button, LED indicators, Type-C input/output, and dual USB outputs.
Operating Instructions
Charging Your Devices:
- Connect your device's charging cable to one of the power bank's output ports (USB OUT1, USB OUT2, or Type-C).
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. If not, press the power button once to activate charging.
- The LED indicators will show the remaining battery level of the power bank during discharge.

Figure 3: The power bank's capability to fast charge multiple devices, including a smartphone and earbuds, using its 20W PD output.

Figure 4: Visual representation of the power bank's key specifications: 20000mAh capacity, 22.5W USB fast charging, 3 outputs, Type-C input/output, multi-compatibility, pass-through charging, and multi-protection chipset.

Figure 5: An overhead view detailing the 22.5W input, 18W-PD input, 20W output, and 22.5W USB output ports of the power bank.
LED Indicator Status:
- 1 LED light: 0-25% battery remaining.
- 2 LED lights: 25-50% battery remaining.
- 3 LED lights: 50-75% battery remaining.
- 4 LED lights: 75-100% battery remaining.
The LEDs will blink during charging and remain solid when fully charged. When discharging, the LEDs will turn off sequentially as the battery level decreases.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your power bank.
- Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Do not use liquid cleaners or abrasive materials.
- Storage: Store the power bank in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Battery Care: To preserve battery life, avoid fully discharging the power bank frequently. Recharge it when the battery level is low. If storing for extended periods, charge it to about 50-75% every 3-6 months.
- Avoid Drops: Do not drop or subject the power bank to strong impacts, as this can damage internal components.
Troubleshooting
If you encounter issues with your pTron Dynamo Surge Power Bank, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging devices. | Low battery; cable issue; device not compatible; power bank not activated. | Recharge power bank; try a different cable; ensure device is compatible; press power button to activate. |
| Power bank not recharging. | Cable issue; adapter issue; faulty port. | Try a different Type-C cable; use a different wall adapter; ensure connections are secure. |
| Slow charging. | Cable not supporting fast charging; device not supporting fast charging; multiple devices charging. | Use a fast-charging compatible cable; ensure your device supports fast charging; charging multiple devices simultaneously may reduce individual charging speed. |
| LED indicators not working. | Power bank fully discharged or internal fault. | Attempt to recharge the power bank. If still unresponsive, contact customer support. |
Specifications
Detailed technical specifications for the pTron Dynamo Surge Power Bank:
| Feature | Detail |
|---|---|
| Model Number | Dynamo |
| Battery Capacity | 20000mAh Li-polymer |
| USB Output 1 | 22.5W (10V-2.25A) |
| USB Output 2 | 22.5W (10V-2.25A) |
| Type-C Input/Output | Input: 18W PD; Output: 20W PD |
| Number of Outputs | 3 (2x USB-A, 1x Type-C) |
| Number of Inputs | 1 (Type-C) |
| Special Features | Fast Charging, LED Indicator Lights, Over Charging Protection, Short Circuit Protection |
| Dimensions | 15.3 x 11.2 x 3.4 cm |
| Item Weight | 407 g |
| Color | Navy Blue |
| Country of Origin | India |
| What's in the box | 1N Power Bank, 1N Type C Cable |

Figure 6: The pTron Dynamo Surge Power Bank emphasizing its 20000mAh high-performance Li-Polymer battery capacity.
Safety Information
Your pTron Dynamo Surge Power Bank is equipped with multiple safety features to ensure secure operation. It is BIS certified, indicating compliance with Indian safety standards.
- Over Voltage Protection: Prevents damage from excessive voltage input.
- Over Current Protection: Safeguards against excessive current flow.
- Over Temperature Protection: Monitors and regulates internal temperature to prevent overheating.
- Short Circuit Protection: Automatically cuts off power in case of a short circuit.

Figure 7: Illustration of the power bank's BIS certification and its integrated multi-layer protection system, including over voltage, over current, over temperature, and short circuit protection.
Always use the power bank as directed and avoid exposing it to water, fire, or extreme physical stress.
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.
Customer Support:
For any queries, technical assistance, or warranty claims, please contact pTron customer care:
- Phone: 040-67138888
- Email: support@ptron.in
- Manufacturer Address: PALRED ELECTRONICS PVT. LTD., SY.NO. 56, 1ST FLOOR, GUNDLAPOCHAMPALLY VILLAGE, TECH PARK MTP, TSIIC-IALA NACHARAM, HYDERABAD - 500076, TELANGANA, INDIA
Please retain your purchase receipt for warranty validation.





