The BMV-712 Smart is a state-of-the-art battery monitor from Victron Energy. With built-in Bluetooth, it's ready for the Internet of Things (IoT) era. This monitor not only tracks the performance and health of your battery but also offers wireless communication between other Victron Energy products. This ensures a simplified system installation and enhanced performance. Features Bluetooth Inside: Ready for the IoT era, allowing wireless communication between Victron Energy products. Download the Victron Bluetooth App: Customize settings, monitor all essential data on a single screen, view historical data, and update software when new features become available. Easy to Install: All electrical connections are made to the quick connect PCB on the current shunt. The package includes an RJ12 cable (10 m) and a battery cable with fuse (2 m). Midpoint Voltage Monitoring: Provides a timely warning by measuring the midpoint voltage to prevent damage from one bad cell or battery. Very Low Current Draw: Consumes 0.7 Ah per month (1 mA) @12 V and 0.6 Ah per month (0.8 mA) @ 24 V. Bi-stable Alarm Relay: Prevents increased current draw in case of an alarm. Other Features: Includes battery voltage, current, power, ampere-hours consumed, state of charge, remaining time at the current rate of discharge, programmable visual and audible alarm, programmable relay, 500 Amp quick connect shunt, VE.Direct communication port, and more. Specifications Supply Voltage Range: 6.5 - 70 VDC Current Draw, Back Light Off: < 1 mA Battery Capacity (Ah): 1 - 9999 Ah Operating Temperature Range: -40 +50 °C Measures Voltage of Second Battery, Temperature, or Midpoint: Yes Temperature Measurement Range: -20 +50 °C VE.Direct Communication Port: Yes Bistable Relay: 60V / 1A normally open Resolution & Accuracy: Current ± 0.01 A, Voltage ± 0.01 V, Amp hours ± 0.1 Ah, State of Charge (0 – 100%) ± 0.1 %, Time to Go ± 1 min, Temperature (0 - 50°C) ± 1 °C Installation: Flush mount, Front 63mm diameter, Body diameter and depth: 52 mm and 31 mm Protection Category: IP55 Shipping Dimensions (HxWxD): 375 x 214 x 110 mm Warranty This product comes with a 5-year warranty.