YUEHISY UPS Battery Backup Instruction Manual

1. Introduction

Thank you for choosing the YUEHISY UPS Battery Backup. This device is designed to provide uninterrupted power to your electronic devices such as routers, cameras, and mobile phones during power outages. Its compact and portable design, along with a replaceable battery feature, ensures your essential devices remain operational wherever you are. Please read this manual thoroughly before use to ensure proper operation and safety.

Figure 1: YUEHISY UPS Battery Backup device.

2. Safety Information

• Do not expose the device to water, moisture, or extreme temperatures.
• Do not disassemble or attempt to repair the device yourself. Refer to qualified service personnel.
• Use only the specified battery type (18650 lithium battery with standard voltage of 3.7V) and ensure correct polarity during installation.
• Keep the device away from flammable materials.
• Ensure proper ventilation during operation.
• This device features multiple safety guards including overcharge, overcurrent, overvoltage, overheating, and short circuit protection.

3. Package Contents

Please check the package for the following items:

• YUEHISY UPS Battery Backup Unit
• Power Adapter (US Plug)
• DC Output Cables (various sizes)
• User Manual

Figure 2: Contents of the YUEHISY UPS Battery Backup package.

4. Product Overview

4.1 Key Features

• Compact and Portable: Small size for easy transport and travel.
• Lasting Power Supply: Extends battery life for WiFi devices and maintains stable internet connection during power failures.
• Wide Compatibility: Supports 95% of mainstream routers and optical modems, as well as security cameras, MP3/MP4 players, and other digital products.
• Secure and Practical: Features a flame-retardant shell and a replaceable battery design for extended usability.
• Multiple Guards: Equipped with an intelligent monitoring system to prevent overcharging, overcurrent, overvoltage, overheating, and short circuits.

Figure 3: Overview of key advantages including portability, multiplex output, and safety features.

4.2 Ports and Indicators

The device features various ports and indicators for connectivity and status monitoring.

• INPUT (85-265Vac): AC power input for charging the internal battery and powering the device.
• 5V USB Output: Standard USB port for charging mobile devices.
• 9V/12V DC Output: Selectable DC output for various devices.
• 15V/24V POE Output: Power over Ethernet output for compatible devices.
• LAN Port: Network connection port.
• RESET Button: For resetting the device.
• Power Button: To turn the device on/off.
• LED Indicators: Display battery level and operational status.

Figure 4: Detailed view of product interfaces and soft light indicator lamp.

Figure 5: Power button and LED battery level indicators.

5. Setup

1. Install Battery: Open the battery compartment and insert the required 18650 lithium battery (3.7V) with correct polarity. Refer to Section 7 for detailed battery replacement instructions.
2. Connect to Power: Plug the provided AC power adapter into the INPUT (85-265Vac) port on the UPS and then into a wall outlet. The device will begin charging and can operate simultaneously.
3. Power On: Press the power button to turn on the UPS. The LED indicators will light up, showing the current battery level.
4. Connect Devices: Use the appropriate DC output cable or USB cable to connect your device (e.g., router, camera, phone) to the corresponding output port on the UPS.
5. Select Output Voltage (for 9V/12V DC): If your device requires 9V or 12V DC, use the selector switch to choose the correct voltage. Ensure the selected voltage matches your device's requirements to prevent damage.

Figure 6: Connection diagram for typical devices.

6. Operating Instructions

6.1 Powering Devices

Once the UPS is set up and powered on, it will automatically provide power to connected devices. In case of a power outage, the UPS will seamlessly switch to battery power, ensuring continuous operation of your connected equipment.

Figure 7: Output ports for various voltage requirements.

6.2 Output Voltage Selection

For devices requiring 9V or 12V DC, locate the selector switch near the DC output ports. Slide the switch to the desired voltage (9V or 12V) before connecting your device. The 5V USB output and POE outputs are fixed and do not require manual selection.

6.3 Charging Mobile Devices

Connect your mobile phone or other USB-powered device to the 5V USB output port using a compatible USB cable. The UPS will provide 5V power for charging.

7. Battery Replacement

The YUEHISY UPS features a replaceable battery design, allowing you to extend its lifespan. The device requires an 18650 lithium battery with a standard voltage of 3.7V. The discharge rate should not be lower than 2C.

1. Power Off: Ensure the UPS is powered off and disconnected from all power sources and connected devices.
2. Open Compartment: Locate the battery compartment cover, typically on the underside or side of the unit. Gently slide or unclip the cover to open it.
3. Remove Old Battery: Carefully remove the old 18650 battery.
4. Insert New Battery: Insert a new 18650 lithium battery, ensuring the positive (+) and negative (-) terminals match the indicators inside the compartment. Incorrect polarity can damage the device.
5. Close Compartment: Securely close the battery compartment cover.
6. Test: Reconnect the UPS to power and turn it on to verify proper operation.

Figure 8: Open battery compartment for battery replacement.

Figure 9: Detailed view of battery compartment with battery specifications.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use liquid cleaners or aerosols.
• Storage: If storing the device for an extended period, ensure the battery is partially charged (around 50%) and store in a cool, dry place. Recharge the battery every 3-6 months to maintain its health.
• Battery Health: Regularly check the battery performance. If the runtime significantly decreases, consider replacing the battery.

9. Troubleshooting

10. Specifications

• Brand: YUEHISY
• Model Number: YUEHISYg3w0i2huvy-11
• Battery Cell Composition: Lithium Polymer (18650 type, 3.7V)
• Product Dimensions: 1.34"D x 4.13"W x 1.34"H (3.4cm x 10.5cm x 3.4cm)
• Color: Black
• Input Voltage: 85-265 Volts (AC)
• Output Voltage: 5V (USB), 9V/12V (DC selectable), 15V/24V (POE)
• Maximum Power: 18 Watts
• Output Current: 2 Amps (max)
• Number of Outlets: 5 (1x USB, 2x DC, 2x POE)
• Runtime: Up to 8 hours and 20 minutes (depending on load and battery capacity)
• Enclosure Material: Plastic (Flame Retardant)
• Item Weight: 350 Grams

11. Warranty and Support

This YUEHISY product comes with a manufacturer warranty for 90 days from the date of purchase. For warranty claims or technical support, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.