Wleome Wl6138
Wleome Battery Monitor
User Instruction Manual
Model: Wl6138
Product Overview
The Wleome Battery Monitor is a versatile digital battery capacity tester designed for a wide range of applications. It provides real-time display of battery capacity percentage, voltage, and includes an IPX7 waterproof rating for durability.
This device is compatible with various battery types, including 8-100V Lithium Battery, Lead Acid Battery, Lithium Iron Phosphate Battery, and NiMH Battery. It features a clear LCD color screen for easy readability and a power-off memory function.

Image: The Wleome Battery Monitor displaying voltage and charge percentage on its LCD screen.
Setup and Installation
Proper installation is crucial for the accurate operation of your Wleome Battery Monitor. Follow these steps carefully:
- Wiring: Connect the red wire to the positive (+) terminal of your battery and the black wire to the negative (-) terminal. The provided wire length is approximately 15 cm.
- Mounting: The device is designed for easy installation. It comes with double-sided tape, allowing you to mount it securely in your desired location. Ensure the surface is clean and dry before applying the tape.
- Initial Power-On: Once wired, the device will power on automatically.

Image: A diagram illustrating the simple two-wire connection for installing the battery monitor.
The monitor is equipped with input reverse connection protection to prevent damage from incorrect wiring.
Operating Instructions
The Wleome Battery Monitor features a user-friendly interface with a clear LCD color screen and intuitive buttons.
- Display Modes: The LCD screen displays both battery capacity percentage and voltage simultaneously.
- Switching Display: To switch between different display modes (e.g., showing only voltage or only percentage), briefly press the "M" key (Mode button).
- Setting Parameters: The "SET" button allows for configuration of battery types and other parameters. Refer to the detailed setting instructions below for specific battery types.
- Low Voltage Alarm: When the battery voltage drops to a critically low level, the battery meter will flash a red indicator to alert the user.
Battery Type Configuration:
The monitor supports various battery types. The default setting is for a 12-volt lead acid battery. To change the battery type:
- Press and hold the "SET" button to enter the configuration menu.
- Use the "M" (Mode) or "PWR" (Power) buttons to navigate through the battery type options (e.g., Lithium, Lead Acid, LiFePO4, NiMH).
- Press "SET" again to confirm your selection. The device has a power-off memory function, so your settings will be retained.

Image: Detailed view of the battery monitor's LCD screen and control buttons (SET, PWR).
Maintenance and Care
The Wleome Battery Monitor is designed for durability and requires minimal maintenance.
- Waterproof Protection: The device features an IPX7 waterproof rating, meaning it can withstand immersion in water up to 1 meter for 30 minutes. It is also dustproof. This protection is provided by its robust protective shell.
- Cleaning: To clean the display and casing, use a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the screen or housing.
- Storage: If storing the device for an extended period, ensure it is disconnected from the battery and kept in a dry, cool environment.

Image: The battery monitor shown in water, highlighting its IPX7 waterproof capability.
Troubleshooting
If you encounter issues with your Wleome Battery Monitor, please refer to the following common troubleshooting steps:
- No Display/No Power:
- Check the wiring connections. Ensure the red wire is connected to the positive terminal and the black wire to the negative terminal.
- Verify that the battery itself has sufficient charge to power the monitor.
- Incorrect Readings:
- Ensure the correct battery type is selected in the device settings. Refer to the "Operating Instructions" section for how to configure battery types.
- Confirm that the battery voltage is within the supported 8-100V range.
- Red Indicator Flashing:
- This indicates a low battery voltage alarm. Recharge your battery as soon as possible.
- Buttons Unresponsive:
- Ensure the device is powered on.
- If the device is wet, dry it thoroughly. While waterproof, excessive moisture on buttons can sometimes affect responsiveness.
If problems persist after following these steps, please contact customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | Wleome |
| Model Number | Wl6138 |
| Applicable Voltage Range | 8-100V (12V, 24V, 36V, 48V, 60V, 72V, 86V) |
| Compatible Battery Types | Lithium Battery, Lead Acid Battery, Lithium Iron Phosphate Battery, NiMH Battery |
| Display Type | LCD Color Screen |
| Waterproof Rating | IPX7 |
| Protection Features | Input Reverse Connection Protection, Dustproof |
| Certifications | CE, RoHS |
| Power Source | Battery Powered |
| Color | Black |
| Dimensions (L x W x H) | Approx. 61mm x 27.8mm x 15.92mm (2.40in x 1.09in x 0.62in) |
| Weight | 120 g |
| UPC | 755685433000 |

Image: Technical drawing indicating the precise dimensions of the battery monitor.
Warranty and Support
Information regarding product warranty and dedicated customer support channels was not available in the provided product data. For any inquiries or support needs, please refer to the seller's contact information on the platform where the product was purchased.
For general product information or common questions, you may also visit the product page.
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