1. Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of your Walfront 50A Shunt Battery Monitor. This device is designed to accurately measure and display various battery parameters, including voltage, current, capacity, and power, for a wide range of battery types in applications such as RVs, boats, cars, motorcycles, and golf carts.

Figure 1: Complete Walfront 50A Shunt Battery Monitor Kit, including the display unit, sampler, and connecting cables.
2. Produttu Finituview
2.1 Funzioni chjave
- Interfaccia user-friendly: Features a clear 1.8-inch display with larger text and responsive silicone keys for easy operation.
- Installazione faciule: Designed for versatile embedding with multiple bracket options, including a handlebar bracket, ensuring stable mounting.
- Display multifunzionale: Provides real-time data on power, voltage, current, remaining capacity, discharge status, estimated time, and capacity percentage.
- Connettività Bluetooth: Allows remote monitoring and settings adjustment via a mobile app within a 10-meter unobstructed range.
- Ampia compatibilità di a batteria: Suitable for various battery types including lead-acid, LiFePO4, lithium-ion, and Ni-MH batteries.
2.2 Cumpunenti
The Walfront 50A Shunt Battery Monitor package includes the following components:
- Display Unit (1.8-inch screen)
- Sampler (50A Shunt)
- 3-Meter Communication Cable
- 1-Meter Positive Pole Cable
- Handlebar Mount Bracket
- Manuale d'usu
Figure 2: Individual components of the Walfront 50A Shunt Battery Monitor kit.
3. Setup è Installazione
3.1 Precauzioni di sicurezza
- Ensure the power is disconnected from the battery before installation.
- Portate equipaggiamenti di sicurezza adatti, cumprese a prutezzione per l'ochji.
- Verify correct polarity when connecting wires to prevent damage to the device or battery.
3.2 Muntaggio di l'unità di visualizazione
The display unit can be embedded or mounted using the provided handlebar bracket.
- Muntaggio di u manubriu: Attach the handlebar bracket to your desired location. Secure the display unit into the bracket. The bracket features mechanical locking knobs and thickened anti-slip washers for a secure, non-destructive installation.
- Embedded Mounting: For custom installations, ensure the cutout dimensions match the display unit's specifications (refer to Section 6. Specifications for dimensions).
Figure 3: Display unit mounted on a handlebar, showing clear visibility.
Figure 4: Illustration of the handlebar bracket installation process, highlighting locking knobs and anti-slip washers.
3.3 Wiring the Sampler and Display
U sampler is the current sensing component and must be installed in series with the negative terminal of the battery. The display unit connects to the sampler via the provided communication cable.
- Cunnette Sampler: Connect the negative terminal of your battery to the 'B-' terminal on the sampler. Connect the load's negative terminal to the 'P-' terminal on the sampTandler.
- Connect Positive Power: Use the 1-meter positive pole cable to connect the 'V+' terminal on the sampler to the positive terminal of your battery. This provides power to the sampler and display.
- Cunnette u cable di cumunicazione: Plug one end of the 3-meter communication cable into the sampler and the other end into the display unit.
- Verificate e cunnessione: Double-check all connections for tightness and correct polarity before restoring power to the battery.
Figure 5: The compact size of the sampler, designed for easy installation even in small battery compartments.
4. Operating Instructions
4.1 Interfaccia di visualizazione
The 1.8-inch display provides a clear view of various battery parameters. The interface can be viewed manually or set to auto-rotate.
- Pagina di manuale View: Press the left and right arrow keys (labeled '/AH' and '%/>') to manually switch between different display interfaces and view content such as voltage, current, remaining capacity, power, and estimated time.
- Auto Page Rotation: Access the settings interface to enable the auto-rotate function. When active, the monitor will sequentially switch and display different interfaces in a cycle.
Figure 6: Interface carousel display options, showing manual page view and auto page rotation.
Figure 7: The multifunctional display showing voltage, current, estimated charge/discharge time, percentage of capacity, remaining capacity, and power.
4.2 Funzioni di u buttone
- '/AH' Button (Left Arrow): Navigates left through display screens or decreases values in settings.
- 'OK' Button: Confirms selections or enters settings menus.
- '%/>' Button (Right Arrow): Navigates right through display screens or increases values in settings.
4.3 Cunnessione Bluetooth
The monitor supports Bluetooth connectivity for remote monitoring and control via a mobile application.
- Scaricate l'App: Cerca the official Walfront battery monitor app on your smartphone's app store.
- Coppiu Dispositivu: Enable Bluetooth on your smartphone and open the app. Follow the in-app instructions to search for and pair with your battery monitor.
- Surveillance à distance : Una volta cunnessu, pudete view real-time data, adjust settings, and monitor functions remotely within a 10-meter unobstructed range.
4.4 Cunfigurazione di u tipu di batteria
The monitor is compatible with various battery types. Ensure the correct battery type is configured in the settings for accurate readings.
Figure 8: Display indicating real-time measurements and highlighting compatibility with various battery types.
5. Mantenimentu
To ensure the longevity and accurate performance of your Walfront 50A Shunt Battery Monitor, follow these general maintenance guidelines:
- Pulizia: Gently wipe the display screen and unit housing with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Cunnessioni: Verificate periodicamente tutti i cunnessione di i fili per assicurassi ch'elli sianu sicuri è senza corrosione.
- Prutezzione di l'ambiente: While designed for various environments, avoid prolonged exposure to extreme temperatures, direct sunlight, or excessive moisture.
- Actualizazioni di firmware: Check the Walfront official website or app for any available firmware updates to ensure optimal performance and new features.
6. Risoluzione di prublemi
If you encounter issues with your battery monitor, refer to the following common troubleshooting steps:
- Nisun Display/Alimentazione:
- Check all power connections, especially the positive pole cable to the battery and the communication cable to the sampTandler.
- Assicuratevi chì a bateria voltage hè in u range di funziunamentu (10-100V).
- Letture inaccurate:
- Verificate chì u sampler is correctly installed in series with the negative battery terminal.
- Confirm that the battery type and capacity settings in the monitor match your actual battery.
- Ensure all connections are tight and free of corrosion, which can affect current sensing.
- Problemi di cunnessione Bluetooth:
- Ensure the monitor is powered on and within the 10-meter unobstructed range of your smartphone.
- Restart the mobile app and your smartphone's Bluetooth.
- If pairing fails, try unpairing and re-pairing the device in your phone's Bluetooth settings.
- Screen Auto-Off During Use:
- The screen automatically turns off after 20 seconds during charging. During discharge, it turns off if the current is below 15mA for 20 seconds. This is normal behavior to conserve power.
- Press any button to reactivate the screen.
If problems persist, contact Walfront customer support for further assistance.
7. Specificazioni
| Parametru | Valore |
|---|---|
| Mudellu | WALFRONTpo13qkgbfh |
| Materiale | ABS, Stainless Steel, Silicone |
| Size Screen | Approx. 1.8 inches / 4.57 cm |
| Sampling Metudu | Shunt |
| Voltage Testing Range | Approx. 10-100V |
| Voltage Risoluzione | Circa. 0.01V |
| Range di misurazione attuale | Approx. 0-50A |
| Risoluzione attuale | Circa. 0.001A |
| Capacity Display Range | Approx. 0%-100% |
| Gamma di misurazione di putenza | Approx. 0-5KW |
| Risoluzione di putenza | Circa. 0.01W |
| Ah Measurement Range | Approx. 0-9999AH |
| Capacity Resolution | Approx. 0.1AH |
| Distanza di cumunicazione Bluetooth | Approx. 10m / 32.81ft (unobstructed) |
| Voltage Precisione | ± 1% + 2 cifre |
| Precisione attuale | ±2%+0.002A |
| Display Power Consumption | Circa. 0.75W |
| Screen Off Time | 20 seconds auto off during charging; screen on when I≥15mA, off when I<15mA for 20s |
Figure 9: Detailed dimensions for both the display unit and the 50A sampTandler.
8. Garanzia è Support
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Walfront websitu. Conservate a vostra ricevuta d'acquistu cum'è prova d'acquistu per qualsiasi reclamu di garanzia.