Introduction:
BNB 8653 is an 850A automotive battery impedance network simulator manufactured by Schwarzbeck, Germany and authorized by EUTTEST Shenzhen for sales and quotation service. This battery simulator is designed to meet the requirements of the automotive electronics test standard ISO 21498-2:2021-03 and the manufacturer's MBN 11123:2021-08, and has four different built-in automotive battery internal resistance configurations for testers to choose from. The simulator has two power supply paths, HV+ and HV-, on the front and rear panels, which are isolated from the enclosure and have built-in inductors with no specific polarity.
Technical parameters:
Product Specification Sheet:
“Reminder: swipe tables left and right”2 x 50mΩ series 1μH inductors
2 x 25mΩ series 1μH inductors
2 x 10mΩ series 1μH inductors
Operating temperature curve
The battery simulator will heat up and the temperature will rise when it is operating, so please control the operating time of the device according to the current and operating time curves in the following chart.

Curve of operating temperature as a function of current and time
More recommendations for battery simulators with different supply currents:
We offer a full line of automotive battery resistance simulators from Schwarzbeck. Please select the appropriate device based on the current in the list below, then click on the model number to see information about the simulated battery resistance and other technical parameters.
- BNB 8651-40 , Battery internal resistance simulator continuous current: 40A; transient current: 45A-70A
- BNB 8652 , Battery internal resistance simulator continuous current: 100A; transient current: 100A-200A
- BNB 8654 , Battery internal resistance simulator continuous current: 500A; transient current: 550A-1600A
- BNB 8655 , Battery internal resistance simulator continuous current: 800A
- BNB 8656 , Battery internal resistance simulator continuous current: 800A; transient current: 900A-1600A
Order No. EUTS0555
EUTTEST is an official authorized distributor of SCHWARZBECK, whose full official name is: SCHWARZBECK MESS - ELEKTRONIK OHG
Ltd. is authorized by schwarzbeck to sell all products in China and provide technical service for the products sold.

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