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Electricity - Monitoring
Batteries 17Solar power 13Wiring and connection 10Inverters 8Sockets 7Chargers 7Switches 6Fuses 5Monitoring 4Devices 1
Counts batteries charge and discharge and shows home many percentages left. No complicated wiring needed, just put the negative wire you want to measure trough this device measuring ring
The budget wattmeter with the shunt. Counts amps, voltage, and watts goes through its shunt and displays this data. Counts power goes only one way.