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Reporting entity and group information (Details) - Schedule of reporting date shareholders
 12 Months Ended
Dec. 31, 2022
shares
Reporting entity and group information (Details) - Schedule of reporting date shareholders [Line Items]  
Ordinary shares 48,904,771
Percentage 100.00%
Treasury shares [member]  
Reporting entity and group information (Details) - Schedule of reporting date shareholders [Line Items]  
Ordinary shares 27,609
Percentage 0.06%
ads-tec Holding GmbH [Member]  
Reporting entity and group information (Details) - Schedule of reporting date shareholders [Line Items]  
Ordinary shares 17,620,882
Percentage 36.03%
Bosch Thermotechnik GmbH [Member]  
Reporting entity and group information (Details) - Schedule of reporting date shareholders [Line Items]  
Ordinary shares 8,062,451
Percentage 16.49%
Robert Bosch GmbH [Member]  
Reporting entity and group information (Details) - Schedule of reporting date shareholders [Line Items]  
Ordinary shares 2,400,000
Percentage 4.91%
Others [Member]  
Reporting entity and group information (Details) - Schedule of reporting date shareholders [Line Items]  
Ordinary shares 20,793,829
Percentage 42.52%