Tenergy High Precision RC Watt Meter & Power Analyzer With Backlight LCD Tenergy Watts meter will measure voltage from 0 to 60v Tenergy Watts meter will measure up to 130 Amps. Provides 8 electrical readings: After connecting the watt meter with battery and the load, the watt meter will continuously provide real-time reading of Current (A), Voltage (V), Watts (W), Amp-hours (Ah), Watt-hours (Wh), Peak Amps (Ap), Minimum Volts (Vm), Peak Watts (Wp) Easy To Use: Requires no configuration or programming LCD screen Easy-to-read LCD provides clear number readings