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Ammeter Coil - add Amp draw and watt-hour meters to your EVSE.

  • 1550


Upgrade any of my EVSE's at time of build with an Ammeter right in the stock LCD display! The latest OpenEVSE boards now all support current measurement with a optional ammeter coil and firmware tweak. Works with any color LCD.

New kWh meters with the newest firmware! Now you get more features when adding the ammeter coil with custom firmware. You get a watt-hour (Wh) session meter in the lower left and a lifetime kilo-watt-hour (kWh) meter in the lower right of the stock LCD. By multiplying your electric rate by the kWh's you can calculate how much money you have spent to fill up your EV. See second picture for example.


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