Introduction
Thank you for choosing the YILANS JM4 Pro 50000mAh Portable Charger. This device is designed to provide reliable and fast charging for multiple electronic devices on the go. Featuring built-in cables and multiple output ports, it offers versatile power solutions for various scenarios.
What's in the Box
- Power Bank (1 unit)
- USB C Charging Cable (1 unit)
- User Manual (1 unit)
Product Overview
The YILANS JM4 Pro Portable Charger is equipped with a high-capacity 50000mAh battery and multiple charging options to keep your devices powered. It features built-in cables for convenience and additional ports for flexibility.
Image: The YILANS JM4 Pro Portable Charger, showcasing its compact design, built-in cables (USB-A input, Type-C, iOS, Micro-USB outputs), and additional USB-A and USB-C ports.
Key Features:
- Built-in 4 Cables: Includes Type-C, iOS, Micro-USB output cables and a USB-A input cable, reducing the need for external cables.
- Multiple Output/Input Ports: Features 1 USB-C IN & OUT port and 2 USB-A output ports for broad compatibility.
- High Capacity: 50000mAh battery capacity allows for multiple device charges.
- Fast Charging: Supports PD 3.0 and QC 3.0/4.0 technology for 22.5W fast charging.
- Digital Display: Precision LED display shows the exact power status.
- Safety Protections: Built-in security features protect against overcharge, overvoltage, overcurrent, and short-circuit risks.
Setup
Initial Activation and Charging:
Upon receiving your power bank, it is recommended to activate the LED screen display and perform an initial full charge cycle for optimal battery calibration.
- Activate the LED Screen: Press the power button once to activate the digital display.
- Initial Discharge: Fully drain the power bank by using it to charge your devices until it runs out of power (0%).
- Full Recharge: Connect the power bank to a power adapter using the provided USB-C charging cable or the built-in USB-A input cable. Recharge it completely to 100%.
Important: During the activation process, do not power off or unplug the adapter, as this may lead to an inaccurate LED display reading.
Image: The YILANS JM4 Pro Portable Charger displaying its digital battery percentage. The display shows the current charge level, which is useful for monitoring.
Operating Instructions
Charging Devices:
The YILANS JM4 Pro offers multiple ways to charge your electronic devices.
- Using Built-in Cables:
- Pull out the appropriate built-in cable (Type-C, iOS, or Micro-USB) from its slot.
- Connect the cable to your device's charging port.
- The power bank will automatically begin charging your device.
- Using USB-A Output Ports:
- Connect your device's charging cable (not included) to one of the two USB-A output ports on the power bank.
- Connect the other end of your cable to your device.
- Charging will commence automatically.
- Using USB-C IN/OUT Port:
- For devices compatible with USB-C output, connect your device's USB-C cable (not included) to the USB-C IN/OUT port.
- Connect the other end to your device.
- The power bank will start charging.
The power bank can charge up to 6 devices simultaneously, distributing power efficiently.
Image: The YILANS JM4 Pro Portable Charger with its four built-in cables (USB-A input, Type-C, iOS, Micro-USB outputs) extended, ready for use.
Video: This video demonstrates the YILANS JM4 Pro Power Bank with its built-in cables, showing how to extend and use them for charging various devices. It highlights the convenience of having multiple cable types integrated into the power bank.
Recharging the Power Bank:
You can recharge the power bank using either the built-in USB-A input cable or the USB-C IN/OUT port.
- Using Built-in USB-A Input Cable:
- Pull out the built-in USB-A input cable.
- Connect the USB-A end to a compatible USB wall adapter (not included) or a computer's USB port.
- The digital display will show the charging progress.
- Using USB-C IN/OUT Port:
- Connect a USB-C to USB-A or USB-C to USB-C cable (not included) to the power bank's USB-C IN/OUT port.
- Connect the other end to a compatible power adapter.
- The digital display will indicate charging status.
Image: The YILANS JM4 Pro Portable Charger connected to an iPad via its built-in cable, demonstrating its ability to charge tablets.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, ensure the battery is charged to about 50-70%.
- Avoid Drops: Protect the device from drops and impacts, which can damage internal components.
- Cable Care: Ensure built-in cables are properly stored in their slots when not in use to prevent damage.
Troubleshooting
- Power Bank Not Charging:
- Ensure the charging cable is securely connected to both the power bank and the power adapter.
- Verify that the power adapter is functioning correctly and plugged into a live outlet.
- Try using a different charging cable or adapter.
- Device Not Charging from Power Bank:
- Check if the power bank has sufficient charge (refer to the digital display).
- Ensure the cable connecting your device to the power bank is securely attached and not damaged.
- Try a different output port or built-in cable.
- Verify your device is compatible with the power bank's output specifications.
- Slow Charging:
- Ensure you are using a fast-charging compatible cable and adapter for both the power bank and your device.
- Charging multiple devices simultaneously may reduce the charging speed for individual devices.
- Inaccurate LED Display:
- Perform a full discharge and recharge cycle as described in the Setup section to recalibrate the battery.
Safety Information
The YILANS JM4 Pro is designed with multiple safety features to protect your devices and the power bank itself.
- Overcharge Protection: Prevents the battery from being overcharged, extending its lifespan.
- Overvoltage Protection: Safeguards against excessive voltage input or output.
- Overcurrent Protection: Protects against current surges that could damage devices.
- Short-Circuit Protection: Automatically shuts down in case of a short circuit.
- Temperature Protection: Monitors and regulates the device's temperature to prevent overheating.
Always use the power bank in a well-ventilated area and avoid exposing it to extreme heat or cold.
Image: The YILANS JM4 Pro Portable Charger highlighting its various safety protections, including over-current, short-circuit, over-voltage, temperature, over-power, and anti-interference protection.
Specifications
| Feature | Detail |
|---|---|
| Model Number | JM4 Pro |
| Battery Capacity | 50000 Milliamp Hours |
| Product Dimensions | 5.61 x 2.88 x 1.12 inches |
| Item Weight | 1.14 pounds |
| Special Features | Built-in Cables, Charge 6 Devices Simultaneously, Digital Display, Extra-large capacity, Fast Charging, Multiple safety protections, Pocket Size |
| Connector Type | USB Type A, USB Type C |
| Color | Onyx Black |
Warranty and Support
YILANS provides 24 months of support and lifetime technical support for the JM4 Pro Portable Charger. For any inquiries or assistance, please refer to the contact information provided in your product packaging or visit the official YILANS website.