1 Review
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.

Connection Type: Anderson-Style plugs

In Stock

897 Available


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.


  • 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. 


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


  • The Ultimate 12V Accessory to add to your kit
  • Handy device for measuring power draw from 12V appliances and power input from 12V solar panels
  • Rated to 150A

Capacity: N/A
Cooling Zones: N/A
Material: N/A
Warranty: 1 YEAR

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Awesome tool

by -

This is such a handy tool to have! We use it in-line with our solar panels and it's great to monitor how much charge our panels are putting into our battery while we're away camping.