Know your battery status instantly — accurate monitoring, easy setup
The Battery Shunt 300 is a compact, surface-mount shunt that measures current, voltage and state of charge and reports that data over Bluetooth LE and BLE Mesh. It works with the Renogy ONE Core and DC Home app to display real-time and historical battery performance so you can manage your power system with confidence.
Benefits
Always know your battery charge level so you avoid unexpected power loss.
Make better decisions about charging and load use by seeing historical performance trends.
Extend battery life by monitoring temperature and state of charge and adjusting usage accordingly.
Save time during setup with a simple 5-minute installation and guided app pairing.
Use the same monitor across different battery chemistries — no need for separate devices.
Features
Real-time battery monitoring of current, voltage and state of charge via Renogy ONE Core and DC Home app.
Historical data logging for tracking battery performance over time.
Bluetooth LE and BLE Mesh communication for wireless linking to Renogy devices and mobile app.
Compatible with starter and main batteries including lead-acid (AGM, GEL), LiFePO4, lithium-ion and NiMH.
Included battery temperature sensor for more accurate monitoring and battery protection.
Robust current sensing: 300 A continuous, 500 A peak (up to 10 seconds).
Simple mounting options: place on top of battery or surface mount with screws; connection points have protective covers.
Quick 4-step connection flow with Renogy ONE Core for seamless data display.
Specifications
Model Name: RSHST-B02P300-G1
Power Supply: 8 – 120 VDC
Power Consumption: < 0.1 W
Communication: Bluetooth LE and BLE Mesh
Max continuous current: 300 A
Max peak current: 500 A (<10 s)
Current accuracy: ±1%
Current resolution: 0.01 A
Battery capacity supported: 1 – 6500 Ah
Voltage input range: 8 V to 120 V DC
Voltage input resolution: 10 mV
Temperature sensor range: -20 °C to 80 °C
Temperature sensor accuracy: ±1%
Operating temperature: 14 °F to 122 °F (-10 °C to 50 °C)
