Reference: METERVOLTAMP50
Brand: Badger
Volt and Amp Meter with Shunt - 50 AMP
NOTE: These Amp meters are more accurate towards the upper end of the range. Do not buy a 50 Amp meter if you intend to measure 1 Amp, it will not work. If you will measure low amps like a camping fridge (typicaly 5 to 8 Amp), rather go for the 20 Amp unit.