BattMan Lite Battery Monitor - 12/24VBattery monitor, 12/24 V DC with large, splash-proof display (IP65) and power bar.An affordable battery monitor that does exactly that: providing critical information about the status of your battery bank under all circumstances. Moreover, it will warn you when your battery bank is empty.General Specifications:Number of battery outlets: 2; service (fully), starter (voltage)Display/read-out: Voltage, current, amp-hours, battery capacity in %Languages on display: UniversalBuilt-in depth: 72.5 mm/2.9 inchDimensions: Ø 64 mm, depth 79 mmDimensions shunt, hxwxd: 87 x 45 x 35 mm/3.4 x 1.8 x 1.4 inchWeight: 0.15 kg/0.3 lbTechnical Specifications:Max. Ah capacity: 9999 AhSupply voltage: 9-35 VVoltage range: 0-35 VCurrent consumption (backlight off): 8 mA/12 V, 6 mA/24 VCurrent consumption (backlight on): 30 mA/12 V, 18 mA/24 VVoltage resolution: 0.1 VVoltage accuracy: ± 0.3%Shunt specification: 500 A/50 mV (service set)Current measurement range: 0-500 ACurrent accuracy: ± 0,4 %Battery alarm contact: Yes, potential freeRemaining time indication: NoHistorical data: NoMasterBus compatible: NoConnection cable (6-wire) necessary: YesModular cable necessary: NoWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.