1. Introduction
This manual provides essential instructions for the safe and efficient use of your Monster Power Grid Pro Power Bank. Please read this manual thoroughly before operating the device and retain it for future reference. The Monster Power Grid Pro is a high-capacity, rugged portable power solution designed to charge your electronic devices on the go.
2. Safety Information
To ensure safe operation and prevent damage, observe the following precautions:
- Do not expose the power bank to extreme temperatures (above 60°C / 140°F or below 0°C / 32°F).
- Avoid dropping, puncturing, or disassembling the device.
- Keep away from water and liquids. While the device is IPX6 splash-proof, it is not designed for submersion.
- Do not use if the power bank is damaged or swollen.
- Use only certified charging cables and adapters.
- Keep out of reach of children.
- Dispose of the power bank according to local regulations for electronic waste.
3. Package Contents
Verify that all items are present in your package:
- Monster Power Grid Pro Power Bank (20000mAh)
- USB-A to USB-C Converter
- User Manual (this document)
4. Product Overview
Familiarize yourself with the components of your Power Grid Pro Power Bank:

Image: The Monster Power Grid Pro Power Bank, featuring its rugged black casing, integrated lanyard, and visible USB-C ports and LED indicator lights.
- Dual USB-C Ports: For charging the power bank and charging external devices.
- LED Indicator Lights: Display the remaining battery capacity.
- Integrated Lanyard: For convenient carrying and attachment.
- Rugged Casing: Durable silicone bumpers and polymer housing for enhanced protection.

Image: A visual breakdown of the Power Grid Pro's key features, including its hanging strap, Power Delivery (PD) capability, 5ft drop test rating, IPX6 splash-proof rating, and dual USB-C charging ports.
5. Setup
Before initial use, fully charge your Power Grid Pro Power Bank.
- Connect a USB-C charging cable (not included) to one of the USB-C ports on the power bank.
- Connect the other end of the cable to a compatible USB wall adapter (not included). For optimal charging speed, use a 65W Power Delivery (PD) compatible adapter.
- The LED indicator lights will illuminate to show the charging status. All four lights will be solid when fully charged.
6. Operating Instructions
6.1. Charging the Power Bank
To recharge the Power Grid Pro:
- Use a USB-C to USB-C cable and a suitable power adapter.
- The power bank supports up to 65W input for fast recharging.
- Monitor the LED indicators: each light represents approximately 25% of the battery capacity.
6.2. Charging External Devices
The Power Grid Pro can charge two devices simultaneously using its dual USB-C ports.
- Connect your device's charging cable to one of the USB-C output ports on the power bank.
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. The LED indicators will show the remaining power bank battery level.
- For devices requiring a USB-A connection, use the included USB-A to USB-C converter with your USB-A cable.

Image: The Power Grid Pro Power Bank simultaneously charging a smartphone and a smartwatch, demonstrating its dual charging capability.

Image: A close-up view of the Power Grid Pro Power Bank connected to and charging multiple devices, highlighting its compact size and powerful output.
7. Maintenance
Proper care extends the life of your power bank:
- Cleaning: Wipe the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, charge the power bank to about 50-75% every three months to maintain battery health.
- Battery Care: Avoid fully discharging the power bank regularly, as this can reduce battery lifespan.
8. Troubleshooting
If you encounter issues with your Power Grid Pro, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging | Charging cable or adapter is faulty; Power bank is fully charged; Incompatible charging cable. | Try a different USB-C cable and wall adapter. Ensure the adapter provides sufficient power (e.g., 65W PD). Some cables may not be compatible with the power bank's charging requirements. |
| Device not charging from power bank | Power bank is depleted; Device cable is faulty; Device is not compatible. | Recharge the power bank. Try a different charging cable for your device. Ensure your device is compatible with USB-C charging. |
| LED indicator lights flickering or behaving erratically | Internal fault; Charging cable issue. | Disconnect all cables and reconnect. Try a different charging cable for the power bank. If the issue persists, discontinue use and contact customer support. |
| Slow charging | Low power input; Cable not supporting fast charge; Device not supporting fast charge. | Ensure you are using a 65W Power Delivery (PD) compatible wall adapter and a high-quality USB-C cable for charging the power bank. Verify your device supports fast charging. |
9. Specifications
Technical details for the Monster Power Grid Pro Power Bank:
- Model Number: 2MNPP2274B9L2
- Battery Capacity: 20000mAh
- Max Output Power: 65W (Power Delivery)
- Input: USB Type C (up to 65W)
- Output: Dual USB Type C (up to 65W total)
- Product Dimensions: 3.1 x 6 x 1.1 inches
- Item Weight: 1.34 pounds
- Special Features: Fast Charging, IPX6 Splash-Proof, 5ft Drop-Tested
- Manufacturer: Lifeworks Technology Group, LLC.
10. Warranty Information
Monster products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official Monster website.
11. Support
For technical assistance, troubleshooting, or customer service inquiries, please contact Monster customer support. Contact information can typically be found on the product packaging or the official Monster website.





