Measure your electric drive system's performance with this meter!

4 x 2 x 7/8". Measures your motor's and battery's Volts (to 60V), Amps (to 70 A), Watts (up to 5,000), and NiCad Amp-hour Capacity (up to 9 Ah). Plug in Whatt Meter between your NiCad and motor controller to measure your system's performance. Easy to use: all information is displayed on the screen. No switches, knobs or user input required. It has two Astro connectors which you can use or replace with others.