Note: Built-in 24V power module.About Product Operation Video , Please Contact US.Product specifications:Power: AC110VVoltage setting: Discharge: 0.00-30.00V, minimum step size 0.01VCharging: 0.00-22.00V, minimum step size 0.01VCurrent setting: Discharge: 0.05-10.00A minimum step size 0.01A (automatic current limit when power exceeds limit)Charging: 0.05-5.00A minimum step size 0.01A (maximum current limited by supply current)Discharge mode: DSC-CC: constant discharge current for testing battery capacity or supply currentDSC-CP: Constant discharge power for simulating constant power equipment or testing power supplyCharging method: standard charging: support nickel hydrogen, nickel chromium, lithium, iron lithium, lead acidCHG-CV: Custom constant current constant voltage charging, only for batteriesAutomatic charge and discharge: support automatic charging - discharge - charging mode for testing battery capacityVoltage test: 0.002-4.500V (low voltage) accuracy is 0.003V, error ± 0.5%4.50V-30.00V (high voltage) accuracy to 0.01V, error ± 0.5%Current test: 0.05-10.000A, accuracy 0.005A, error ±0.5%Capacity test: 10Ah, resolution is 0.001Ah10AH-100Ah, resolution is 0.01AhAbove 100Ah, resolution 0.1AhConnection method: four-wire detection, separate wiring of voltage and current channels to ensure measurement accuracyComputer online: dedicated USB to TTL serial port (Mini USB interface, non-ordinary USB cable) computer control, curve drawing, calibration benchmark test, firmware upgrade, cycle charge and discharge.The package includes:1X tester 1X on-line line2X1 pairs test clip1X power cord