Items of category Electricity

Electricity - Monitoring

Solar power 12Batteries 9Inverters 7Wiring and connection 6Sockets 5Chargers 5Switches 5Fuses 5Monitoring 3
 Hit 
$28.82
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.
Simple battery charge indicator with scale and digital voltmeter. For better results recommended to use in rest state. Charging or discharging of battery could shift meter indication.