Product Overview
The Cuifati Battery Monitor is designed to accurately display the percentage of battery capacity and voltage for various battery types, including lead-acid, lithium, and lithium iron batteries. Its compact and waterproof design makes it suitable for use in vehicles, RVs, and marine applications.

Image: Front and back view of the Cuifati Battery Monitor, showing the display and the 12-84V input label on the back.
Package Contents
- 1 x Cuifati Battery Display Unit
- 1 x Connecting Line
Specifications
| Feature | Detail |
|---|---|
| Item Type | Electricity Display |
| Material | PCB/HTN |
| Display Range | 8-100V |
| Compatible Battery Types | Lead-acid battery, Lithium battery, Lithium iron battery (user configurable) |
| Applicable Voltage | 12-84V |
| Operating Temperature | -10℃ to 50℃ |
| Dimensions (L x W x H) | Approx. 6.1 x 3.3 x 1.3 cm / 2.4 x 1.3 x 0.5 inch |
| Weight | Approx. 20g |
| Waterproof Feature | PVC film surface for waterproof use |

Image: The battery monitor with its dimensions (6.1cm / 2.4inch length, 3.3cm / 1.3inch width, 1.3cm / 0.5inch thickness) clearly labeled.
Setup
Setting up the Cuifati Battery Monitor is designed to be simple and efficient, typically taking only a few seconds.
- Connect the Wiring: Use the provided connecting line to wire the battery monitor to your battery system. Ensure correct polarity (red wire for positive, black wire for negative) to avoid damage. The monitor is compatible with 12-84V systems.
- Mounting: Choose a suitable location for mounting the display unit. Its compact size allows for flexible placement in vehicles, RVs, or marine environments.
- Initial Power On: Once connected, the display will power on and show the current battery capacity percentage and voltage.

Image: The battery monitor connected with its red and black wires, illustrating the simple setup process.
Operating Instructions
The battery monitor provides real-time information about your battery's status.
- Display Readout: The display accurately shows the battery capacity as a percentage and the current voltage. This allows for an intuitive understanding of your battery's charge status.
- Display On/Off Feature: The unit is equipped with a switch that allows the display to be turned off. When the display is off, no power is consumed by the unit, helping to conserve battery life.
- Battery Type Configuration: The monitor can be configured by the user to accurately read different battery types, including lead-acid, lithium, and lithium iron batteries. Refer to the device's internal settings or manufacturer's specific instructions for detailed configuration steps if needed.

Image: The battery monitor display showing "Battery capacity / Voltage" and a reading of "49%". This image highlights the display's ability to be turned off to save power.

Image: The battery monitor displaying battery capacity and voltage, emphasizing its accuracy in providing real-time battery status.
Maintenance
The Cuifati Battery Monitor is designed for durability and minimal maintenance.
- Cleaning: Wipe the display and casing with a soft, damp cloth. Avoid using abrasive cleaners or solvents that could damage the PVC film or casing.
- Water Resistance: The PVC film surface provides waterproof protection. While designed for use in environments where it may encounter moisture, avoid submerging the unit.
- Connection Check: Periodically inspect the connecting wires and terminals to ensure they are secure and free from corrosion.

Image: The battery monitor shown in a setting with water droplets, illustrating its waterproof PVC film surface for confident use in various conditions.
Troubleshooting
If you encounter issues with your Cuifati Battery Monitor, consider the following common troubleshooting steps:
- No Display/Power:
- Ensure the connecting wires are securely attached to the battery and the monitor.
- Verify that the battery voltage is within the applicable range (12-84V).
- Check for any blown fuses in the power circuit, if applicable.
- Inaccurate Readings:
- Confirm that the battery type configuration on the monitor matches your actual battery (lead-acid, lithium, lithium iron).
- Ensure the battery itself is functioning correctly and providing a stable voltage.
- Display Flickering:
- Check for loose connections.
- Ensure the operating temperature is within the specified range (-10℃ to 50℃).
If problems persist after attempting these steps, please contact customer support for further assistance.
Warranty and Support
For warranty information or technical support regarding your Cuifati Battery Monitor, please refer to the product packaging or contact the manufacturer directly through their official channels. Keep your purchase receipt as proof of purchase for any warranty claims.
You can visit the Cuifati Store on Amazon for more information and contact options.





