1. Product Overview
The TOOLTOP KM series WiFi Remote RV Coulomb Meter is a versatile battery monitor designed for various battery types, including ternary lithium, lead-acid, and lithium phosphate batteries. It provides real-time monitoring of battery voltage, current, power, remaining capacity, and estimated time. With its bidirectional current detection and WiFi connectivity, it offers comprehensive control and data analysis via a dedicated mobile application.
Figure 1: The KM series Coulometer display unit and its corresponding sampler module.
Key Features:
- Automatic bidirectional current detection for charging and discharging.
- Compatibility with various battery chemistries (ternary lithium, lead-acid, lithium phosphate).
- Pure copper shunt and screws for reliable connections.
- WiFi connectivity for mobile APP control and remote monitoring.
- Configurable protection settings: over-voltage, under-voltage, over-current, power, and over-temperature.
2. Package Contents
Please verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.
Figure 2: Contents of the product package, including the display, communication cable, positive electrode wire, quick guide, and sampler.
- Display Unit x 1
- 5m Communication Cable x 1
- 1m Red Positive Electrode Wire x 1
- Quick Guide x 1
- Sampler Module x 1 (Specific model depends on purchase: KM105F, KM110F, KM140F, KM160F)
Figure 3: Various sampler models available for the KM series, including 50A, 100A, 400A, and 600A versions.
3. Setup and Installation
Proper installation is crucial for accurate readings and safe operation. Please follow these steps carefully.
3.1 Wiring Diagram (General)
Connect the sampler module to your battery system according to the specific wiring diagram provided in the Quick Guide. Ensure all connections are secure and correctly polarized.
- Connect the main positive terminal of the battery to the positive input of the sampler.
- Connect the main negative terminal of the battery to the negative input of the sampler.
- Connect the communication cable from the sampler to the display unit.
- Connect the red positive electrode wire to the positive terminal of the battery for voltage measurement.
3.2 Initial Power-Up
Once all connections are made, power on your battery system. The display unit should illuminate and begin showing initial readings. If the display does not power on, check all wiring connections and battery voltage.
3.3 Mobile App Installation and Connection
The KM series coulometer supports WiFi connectivity for remote monitoring and control via a mobile application. Search for the "Junce Home" app on your smartphone's app store (iOS/Android) and install it.
- Open the "Junce Home" app.
- Follow the in-app instructions to connect to your KM series coulometer via WiFi. This typically involves selecting the device from a list of available devices.
- Ensure your phone's WiFi is enabled and within range of the coulometer.
Figure 4: The coulometer supports remote real-time monitoring via WiFi, allowing control and data access from your smartphone.
4. Operating Instructions
This section details how to operate your KM series coulometer and interpret its readings.
4.1 Display Unit Operation
The display unit provides real-time data and allows for basic settings adjustments using its physical buttons.
Figure 5: The display unit provides a comprehensive overview of battery status, including voltage, current, power, remaining capacity, and estimated charge/discharge time.
- Voltage (V): Displays the current battery voltage.
- Current (A): Shows the current flow, indicating charging (CHG+) or discharging.
- Power (W): Indicates the instantaneous power consumption or generation.
- Capacity Percentage (%): Displays the estimated remaining battery capacity.
- Estimated Time: Provides an estimate of remaining charge or discharge time.
- SET Button: Accesses the settings menu.
- Arrow Buttons: Navigate through menu options or adjust values.
- OK Button: Confirms selections.
4.2 Mobile App Control
The "Junce Home" app offers a more intuitive and comprehensive interface for monitoring and configuring your coulometer.
Figure 6: The mobile application provides a user-friendly interface for monitoring battery data and managing settings.
- Real-time Data: View voltage, current, power, remaining capacity, and estimated time with dynamic charging/discharging effects.
- Comprehensive Settings: Adjust interface styles, set alarms for over-voltage, under-voltage, over-current, and over-temperature. Configure battery parameters.
- Data Analysis: Access historical data and trends for better battery management.
Figure 7: The app allows for extensive configuration, from display brightness to low capacity reminders and device button lock.
4.3 Battery Compatibility and Applications
The KM series coulometer is designed for broad compatibility, making it suitable for various battery types and applications.
Figure 8: The KM series supports various battery types and is applicable in diverse scenarios, including RVs, electric vehicles, and solar power systems.
- Ternary Lithium Batteries
- Lead-Acid Batteries
- Lithium Phosphate Batteries
- Applications: RVs, electric vehicles, solar energy storage, home battery systems, and more.
5. Maintenance
To ensure the longevity and accurate performance of your TOOLTOP KM series coulometer, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the display unit and sampler. Avoid using abrasive cleaners or solvents that could damage the surfaces.
- Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to inaccurate readings or device malfunction.
- Environment: Operate the device within its specified temperature and humidity ranges. Avoid exposing it to extreme temperatures, direct sunlight, or excessive moisture.
- Firmware Updates: Check the "Junce Home" app regularly for any available firmware updates for your device. Updates can improve performance, add features, or fix bugs.
6. Troubleshooting
If you encounter issues with your KM series coulometer, refer to the following common problems and solutions:
6.1 Display Not Powering On
- Check Power Connections: Ensure the positive electrode wire is correctly connected to the battery and the sampler, and the communication cable is securely plugged into both the sampler and the display unit.
- Battery Voltage: Verify that your battery has sufficient voltage to power the device.
6.2 Inaccurate Readings
- Wiring: Double-check all wiring connections, especially the main current paths through the shunt. Loose or incorrect wiring can cause inaccurate current or voltage readings.
- Shunt Connection: Ensure the shunt is properly installed in the main circuit and all connections to it are tight.
- Calibration: If readings are consistently off, refer to the app or quick guide for any calibration procedures.
6.3 Mobile App Connection Issues
- WiFi Enabled: Ensure WiFi is enabled on your smartphone.
- Proximity: Make sure your phone is within range of the coulometer's WiFi signal.
- App Permissions: Check if the "Junce Home" app has necessary permissions (e.g., location, WiFi) on your phone.
- Restart: Try restarting both the coulometer (by disconnecting and reconnecting power) and the mobile app.
6.4 Protection Alarms Triggering
- Check Settings: Review the over-voltage, under-voltage, over-current, and over-temperature protection settings in the mobile app. Adjust thresholds if they are too sensitive for your application.
- System Status: Verify if the battery system is indeed operating outside safe parameters (e.g., actual over-voltage condition).
7. Specifications
| Feature | Specification |
|---|---|
| Brand | TOOLTOP |
| Model Number | TT-JUNTEK-KM140F (varies by specific model: KM105F, KM110F, KM140F, KM160F) |
| Current Range | 50A / 100A / 400A / 600A (depending on sampler model) |
| Connectivity | WiFi, Mobile APP Control |
| Compatible Battery Types | Ternary Lithium, Lead-Acid, Lithium Phosphate, etc. |
| Protection Features | Over-voltage, Under-voltage, Over-current, Power, Over-temperature |
| Item Weight | 1 Kilograms (approx. 2.2 Pounds) |
| Package Dimensions | 7.87 x 5.91 x 3.94 inches |
| Color | Multicolored |
| Certifications | CE, RoHS |
| Country of Origin | China |
8. Warranty and Support
TOOLTOP provides support for its products. For technical assistance or warranty claims, please contact the manufacturer directly.
- Manufacturer: TOOLTOP
- EU Spare Part Availability Duration: 1 Year
- Protection Plans: Additional protection plans may be available for purchase from your retailer. Please refer to your purchase documentation for details on extended warranty options.
- Contact: Refer to the contact information provided with your product packaging or on the official TOOLTOP website for customer service.
