EvaPower 150A Precision Watt Meter by EvaKool The EvaPower 150A Precision Watt Meter is a MUST HAVE in your 12V system! Whether you want to monitor how much power your fridge is consuming or how much power your solar panel is putting back into your battery - this handy little device can do it all. Measure the charge output from solar panels or draw from 12 volt fridges and appliances using the EvaPower 150A High Precision Watt Meter. Designed for caravan, camping, 4wd and dual battery systems, this handy accessory is Anderson-style plug compatible and the ultimate tool to add to your 12V kit. FEATURES Real time readings and diagnostics Anderson-style connectors for a plug & play operation Measure load draw or solar charge Blue backlit digital display Super low power draw (0.007mA/hr) WHAT YOUR WATT METER CAN TELL YOU Current (Amps/A) at the present moment Voltage (Volts/V) at the present moment Power (Watts/W) at the present moment Total Amps (Amp hours/Ah) since device initialized Total Power (Kilo Watt hours/KWh) since device initialized Highest Voltage Maximum (Vm) since device initialized Highest Power Peak (Watt Peak/Wp) since device initialized Highest Current Peak (Amp Peak/Ap) since device initialized Please note, this product does not have a long term memory and is not designed to be permanently installed in-line in your 12V system. SPECIFICATIONS Operating Voltage: 0-60V DC Current: 0-100A Intermittent (50A Continuous) Temperature Range: 0-50C Ambient Air Temp Measurement Update Period: 400mS Data Queue Sequence Time: 400mS In-Circuit Resistance: 0.001 Ohms