Introduction and Overview
Thank you for choosing the Enerwow Portable Charger Power Bank 40000mAh. This high-capacity external battery pack is designed to keep your devices charged on the go, featuring advanced fast-charging technology and multiple output options. With its robust design and safety features, it's an essential companion for your mobile lifestyle.
- High Capacity: 40000mAh provides multiple charges for smartphones and other devices.
- Fast Charging: Equipped with PD 30W output and QC 4.0 technology for rapid power delivery.
- Versatile Ports: Features 3 outputs (1 USB-C, 2 USB-A) and 2 inputs (USB-C, Micro USB) to charge multiple devices simultaneously.
- LED Display: Clear digital display shows remaining battery percentage.
- Safety Protection: Built-in systems protect against overcharge, short circuit, overvoltage, and overcurrent.

Image: The Enerwow 40000mAh Power Bank demonstrating its large capacity, capable of providing multiple charges for various smartphones.

Image: The power bank illustrating its PD 30W fast charging capability, reaching 55% charge on an iPhone in 30 minutes.
Setup
Charging the Power Bank
Before first use, fully charge your Enerwow Power Bank. Connect a compatible USB-C cable to the power bank's USB-C input port and plug the other end into a power adapter (not included). The LED display will show the charging progress, indicating when it's fully charged.
Charging Your Devices
To charge your devices, simply connect your device's charging cable to one of the available output ports on the power bank (USB-C or USB-A). The power bank will automatically detect the connected device and begin charging. The LED display will show the power bank's remaining charge.

Image: The USB-C port on the power bank, highlighting its dual functionality for both input (charging the power bank) and output (charging devices).

Image: The power bank connected to and simultaneously charging three different devices: a tablet, a smartphone, and wireless earbuds.
Operating Instructions
LED Digital Display
The integrated LED digital display provides real-time information on the power bank's remaining battery percentage. This allows you to easily monitor the power level and know when it's time to recharge the power bank.

Image: A close-up view of the power bank's LED display, indicating the precise battery percentage.
Multiple Device Charging
The power bank is equipped with one USB-C output port and two USB-A output ports. This configuration allows you to charge up to three devices simultaneously, catering to various charging needs.

Image: The power bank's three output ports, including two USB-A and one USB-C, ready for simultaneous device charging.
Fast Charging Capabilities
Leverage the PD 30W output and QC 4.0 fast charging technologies for compatible devices. This ensures your devices receive power quickly and efficiently, minimizing downtime.
Power Bank Recharging
The power bank can be recharged via its USB-C input port or the Micro USB input port. Use a suitable charger and cable for optimal recharging speed.

Image: The power bank's two input ports, USB-C and Micro USB, for recharging the unit.
Official Product Video
Video: An official seller video demonstrating the Enerwow 40000mAh Power Bank's features and usage.
Maintenance
Safety Protection
The Enerwow Power Bank is built with multiple protection systems to ensure the safety of your devices and the power bank itself. These include:
- Overcharge Protection
- Short Circuit Protection
- Overvoltage Protection
- Overcurrent Protection

Image: The power bank's internal intelligent chip system, highlighting its multi-protection features for safe usage.
General Care
- Keep the power bank away from water, moisture, and extreme temperatures.
- Avoid dropping or subjecting the power bank to strong impacts.
- Do not attempt to disassemble or repair the device yourself.
- Store in a cool, dry place when not in use.
Troubleshooting
- Device not charging: Ensure the power bank is sufficiently charged. Verify that all cables are securely connected to both the power bank and your device. Try using a different charging cable or a different output port on the power bank.
- Slow charging: Confirm that your device and charging cable support fast charging protocols (PD, QC) to achieve optimal charging speeds.
- Power bank not recharging: Use a compatible USB-C charger and cable. Check all connections to ensure they are firm.
Specifications
| Product Dimensions | 6.8 x 2.95 x 1.4 inches |
| Item Weight | 15.8 ounces |
| Item Model Number | P400 |
| Batteries | 2 Lithium Ion batteries required. |
| Special Features | Portable Charger 40000mah, Portable Charger USB C, Power Bank Fast Charging |
| Color | White |
| Manufacturer | Shenzhen MiMan Technology Co., Ltd |
| Date First Available | September 19, 2024 |
| Connector Type | USB Type C |
| Battery Capacity | 40000 Milliamp Hours |
Warranty and Support
Enerwow is committed to providing high-quality products and excellent customer service. Your Portable Charger Power Bank 40000mAh comes with a 365-day return service for your peace of mind.
For any inquiries or support needs, our customer service team offers a 24-hour online response. Please refer to the contact information provided with your purchase for assistance.
The integrated Safety Protection systems ensure reliable and secure operation throughout the product's lifespan.





