Home Applications and Solutions Battery Test Systems CH Series High Rate Discharger
CH Series High Rate Discharger
The CH Series of Precision High Rate Dischargers are useful for assessing the performance of batteries used in Automotive, Traction, and other Transient duty applications. The models offered in CH Series allow testing of the full range of automotive batteries right from motorcycle batteries to those used in large sedans and trucks, fork lifts, Electric Vehicles etc. A robust high rate discharger assembly enables the operator to test the Cranking, Traction and Transient performance of a battery accurately within a short period of time.


  • Tests 6V, 9V and 12V batteries ranging from 2.5AH to 200AH
  • Modular and expandable architecture allowing current levels as high as 1500 Amps
  • Well ventilated, high precision, constant current discharger
  • Capability to measure ambient as well as battery temperature
  • Data retention under power failure
  • Lightweight and Compact
  • Four-line backlit alphanumeric LCD display
  • Interactive menus to edit various test options
  • Ability to preset and recall up to 10 test configurations
  • Carries out 3 seconds, 5 seconds, 7 seconds, 30 seconds and 3 Minutes tests
  • External Thermal printer for taking prints of test results
  • RS 232-C compatible serial port for communication with external PC
  • Software compatible for Windows 7, Vista and XP operating systems
  • Software facilitates uploading of test data from the instrument for viewing present as well as past test results in a graphical and tabular form. It also allows saving, retrieving test results and printing test reports for Management and Customers.
  • Designed to conduct tests on batteries as per IS 13369, IS 14257, IS 1651, IS 1652, IS 13514, IS 7372, IS 8320, IS 1145


  • Starting Voltage
  • End Voltage
  • Starting Time
  • Test Duration
  • End Time
  • Test Current
  • Ambient Temperature

Controlled Parameters

  • Charging Current
  • Discharging Time
  • Lower Terminal Voltage
  • Discharging Rest Time

Technical Specifications

Parameter Model Power (W) Discharge Current (A) Discharging Time (Seconds) Dimensions (W x H x D) (mm) Weight (kg)
CH 15 25 50 3, 5,7,10, 30, 180, custom 384 X 320 X 88 9.5
CH 200 25 600 3, 5,7,10, 30, 180, custom 500 X400 X 1400 X2 Units 114
  • Voltage Resolution: 0.1V
  • Current Resolution: 10mA, 100 mA
  • Time Resolution: 0.1 Sec, 1 Sec.
  • Temperature Resolution: 0.1° Celsius
  • Accuracy: 0.2% of full scale ± 2 counts

System Specifications

  • Power: 230V AC ±10%, 50 Hz
  • Operating Environment: Typical shop-floor environment, 50° Celsius, 90% RH
  • Ventilation: Forced air-cooled
  • Construction: DIN 41494 standard, table-top enclosure (CH15), or Free standing Rack (CH200)
  • Conformance: DIN 61010 for safety and DIN 61326 for EMC
  • Software compatible with Windows 7, Vista and XP operating systems