... comprehensive functions, simple operation, etc. Applicable for 12V-64V storage battery, with charging and discharging functional performance analysis, cicyle ... , component voltage, current, time, Ah, Setting voltage, battery and cycle times. 0-20A(30A) adjustable constant current ... batteries:12V,24V,36V,48V,64V Ambient temperature:-10-+48 Power consumption:60W WD2020A High-powered Battery Performance ...