The SmartShunt 300A is an advanced all-in-one battery monitor designed to provide precise insight into battery performance without the need for a dedicated display. Instead, it connects via Bluetooth to a smartphone or tablet, allowing you to conveniently monitor your system using a mobile app.
Ideal for modern energy systems where a clean installation and minimal wiring are preferred, the SmartShunt continuously tracks key battery parameters such as state of charge, time remaining, voltage, current, and historical usage data. It can also integrate with GX devices via a VE.Direct connection, making it suitable for professional energy storage, solar, automotive, and marine applications.
Key Features
- All-in-one battery monitor without a physical display
- Built-in Bluetooth for wireless monitoring via mobile app
- Real-time insight into state of charge, voltage, current, and time-to-go
- VE.Direct communication port for integration with monitoring systems
- Supports monitoring of a second battery, midpoint voltage, or temperature sensor
- Clean installation with reduced wiring compared to traditional monitors
- High-precision measurement for professional energy systems
- Stores historical performance data for analysis and optimisation
- Suitable for solar, off-grid, automotive, and marine environments
- Low power consumption for minimal impact on battery systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SmartShunt 300A |
| Supply Voltage Range | 6.5 – 70 VDC |
| Current Draw | < 1 mA |
| Auxiliary Input Voltage Range | 6.5 – 70 VDC |
| Supported Battery Capacity | 1 – 9999 Ah |
| Operating Temperature | -40°C to +50°C |
| Temperature Measurement Range | -20°C to +50°C (with optional sensor) |
| Communication Port | VE.Direct |
| Bluetooth | Built-in |
| Measures Second Battery / Midpoint / Temperature | Yes |
| Current Measurement Resolution | ± 0.01 A |
| Voltage Measurement Resolution | ± 0.01 V |
| State of Charge Accuracy | ± 0.1 % |
| Current Measurement Accuracy | ± 0.4 % |
| Voltage Measurement Accuracy | ± 0.3 % |
| Protection Category | IP21 |
| Shunt Connection Bolts | M8 |
| Dimensions (H × W × D) | 44 × 120 × 44 mm |
| Data Logging | Stores trends for up to 46 days |
| Included Accessories | Two connection cables with 1A fuse |
| Optional Accessory | Temperature sensor |
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.
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