M2 DC SoC State of Charge Monitor. Accurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ratios. Features Auto-dimming, bright OLED display is easy to read. Easy to adjust. 92dB alarm on all models. Isolated MOSFET relay. Specifications Meter Current Voltage. Function 8 to 70V to 5000A 500A with included shunt . Alarms High Current, High/Low Voltage, Low Battery. Display Size 55mm x 28mm. Input Voltage 7-70V DC. Maximum Power Consumption 1.00Watt. Minimum Power Consumption 0.3 Watt Accurately measure and monitor the state-of-charge of your batteries. Supports programmable shunt ra 92dB alarm on all models. Isolated MOSFET relay Function 8 to 70V to 5000A 500A with included shunt Alarms High Current, High/Low Voltage, Low B