DC 0-100V 10A 50A 100A Digital Voltmeter Ammeter Dual LED Amp Volt Meter/Shunt | Walmart Canada Buy DC 0-100V 10A 50A 100A Digital Voltmeter...

What do you think of these for constantly monitoring the amps?I would of course choose the ones that work with 24 volts and up to 100 amps.