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Disclosure on Individual Items of the Consolidated Financial Statements (Details)
12 Months Ended
Sep. 30, 2025
EUR (€)
Aug. 20, 2025
shares
Dec. 28, 2023
EUR (€)
shares
Dec. 28, 2023
USD ($)
Dec. 31, 2025
EUR (€)
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
EUR (€)
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
EUR (€)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Apr. 30, 2025
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 28, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
EUR (€)
Jan. 26, 2021
shares
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Revenue from contracts with customers         € 31,559,000   € 110,013,000   € 107,384,000              
Write-downs of inventories         27,188,000   13,991,000                  
Share-based payments         2,655,000   3,866,000   1,451,000              
Amortization of capitalized development costs         7,887,000   4,111,000   2,463,000              
Government grants amount         € 0   3,082,000   692,000              
Carrying amount of asset             692,000   692,000              
Finance expense from remeasurement of warrant liabilities             62,170,000   10,859,000              
Share issued (in Shares) | shares         60,516,474           60,516,474 1,116,072        
Par value (in Dollars per share) | $ / shares                         $ 15.51      
Interest expense € 500,000       € 20,795,000   € 10,919,000 $ 0   $ 0            
Effective tax rate             29.48% 29.48%                
Corporate tax rate             15.00% 15.00%                
solidarity surcharge percentage             5.50% 5.50%                
Trade tax             13.65% 13.65%                
Deferred Taxes Amount (in Dollars) | $           $ 134                    
Recognized Deferred Taxes         3,310,000   € 643,000                  
Loss attributable to the shareholders         € (55,190,000)   € (97,958,000)   € (55,081,000)              
Weighted average basic (in Shares) | shares         56,394,000 56,394,000 51,224,000 51,224,000 48,919,000 48,919,000            
Weighted average diluted (in Shares) | shares         56,394,000 56,394,000 51,224,000 51,224,000 48,919,000 48,919,000            
Remaining useful life         3 years 3 years                    
Additional Amortization Amount         € 3,598                      
Interest rate             10.00%           10.00%      
Rental income, operating         137,000   € 137,000                  
Cash deposit         37,000   37,000                  
Write-downs of inventories         13,198   689,000   € 8,093,000              
VAT receivable         551,000                      
salaries and wages amount         160,000                      
Deferred day one loss         € 933,000   13,447,000                  
Constant maturity US treasury rates         1 year 11 months 23 days 1 year 11 months 23 days                    
Percentage of dividend yield         0.00% 0.00%                    
Percentage of drawdown probability         5.00% 5.00%                    
Other accrued         € 537,000   624,000                  
Cash at banks includes restricted cash             644,000                  
Issued share capital         5,000   € 5,000   4,000           € 5,000  
Exercise price of warrants (in Dollars per share) | $ / shares               $ 7                
Exercise price of warrants increase (in Dollars per share) | $ / shares               $ 8                
Increase equity     € 7,009,000 $ 7,802,000                        
Warrants liabilities     1,989,000                     $ 2,198,000    
Transaction costs     268,000 $ 283,000                        
Public warrants (in Shares) | shares             36,872 36,872                
Capital reserves         332,907,000   € 245,298,000   225,007,000              
Exercise of warrants         26,950,000   9,260,000                
Shareholder loans         2,274,000 $ 4,328,747 € 1,067,000                  
Ordinary price per share         390           $ 0.0001          
Increase in capital reserves         € 63,851 $ 57,539                    
Convertible note agreement description         On May 01, 2025, ADSE secured financing through convertible note agreements with different insti-tutional lenders in a total principal amount of kUSD 53,763 (kEUR 47,398). The notes were issued with a discount of 7% and bear interest of 2% p. a. They can either be converted into equity or redeemed in cash over a period of three years until May 01, 2028. Together with the convertible notes, 1,116,072 warrants were issued resulting in a disagio of the notes in an amount of kEUR 9,000. Transaction costs are being discounted from the notes as well. Both are amortized together with the issue discount using the effective interest rate method. On May 01, 2025, ADSE secured financing through convertible note agreements with different insti-tutional lenders in a total principal amount of kUSD 53,763 (kEUR 47,398). The notes were issued with a discount of 7% and bear interest of 2% p. a. They can either be converted into equity or redeemed in cash over a period of three years until May 01, 2028. Together with the convertible notes, 1,116,072 warrants were issued resulting in a disagio of the notes in an amount of kEUR 9,000. Transaction costs are being discounted from the notes as well. Both are amortized together with the issue discount using the effective interest rate method.                    
Convertible notes settled description         Until that date, the lenders had converted a total principal amount of kUSD 29,170 (kEUR 25,162) as well as interest in the amount of kUSD 1,844 (kEUR 1,591) into equity resulting in a total increase of share capital of EUR 306 and an addition to the capital reserve of kEUR 26,753. The remaining outstanding principal and interest were settled in cash. Until that date, the lenders had converted a total principal amount of kUSD 29,170 (kEUR 25,162) as well as interest in the amount of kUSD 1,844 (kEUR 1,591) into equity resulting in a total increase of share capital of EUR 306 and an addition to the capital reserve of kEUR 26,753. The remaining outstanding principal and interest were settled in cash.                    
Warrant liabilities         € 43,550,000                      
Share price (in Dollars per share) | $ / shares           $ 18                    
Price per warrant (in Dollars per share) | $ / shares           $ 0.01                    
Fair market value price per shares (in Dollars per share) | $ / shares                     $ 11.5          
Warrants issued (in Shares) | shares             7,300,003   3,216,667       7,300,003      
Fair value of warrants             € 13,981,000                  
Remaining Outstanding Warrants (in Dollars) | $           $ 1,680,000                    
Warrants exercise price (in Dollars per share) | $ / shares                     $ 16.88          
Shares of Warrants (in Dollars) | $           161,290                    
Exercise price (in Dollars) | $           $ 6.2                    
Aggregate fair value         6,773,000                      
Fair value of warrants         9,014,000                      
Loans and borrowings amount             11,971,000   € 5,006,000              
Interest payable             € 1,363,000   € 5,000              
Nominal amount € 2,580,000       € 2,719               $ 23,000,000      
Maturity date             August 31, 2025 August 31, 2025                
Liquidity discount percentage         10.00% 10.00% 10.00% 10.00%                
Weighted average remaining contractual lifetime             2 years 2 months 23 days 2 years 2 months 23 days 2 years 2 months 12 days 2 years 2 months 12 days            
Increase in equity         € 1,249,000   € 2,314,000   € 729,000              
Vested RSUs (in Shares) | shares             21,005 21,005                
Contractual life of the NQSOs outstanding         7 years 7 months 2 days 7 years 7 months 2 days 8 years 3 months 18 days 8 years 3 months 18 days 8 years 3 months 18 days 8 years 3 months 18 days            
Weighted average fair value of NQSO (in Dollars per share) | $ / shares           $ 4.91   $ 4.24                
Weighted average share price (in Dollars per share) | $ / shares           $ 11.37   $ 11.21                
Warrant liabilities include non-cash effective changes         € 57,539,000   € 15,647,000                  
Impairment losses on financial assets         55,000   58,000   € (104,000)              
Cash         6,987,000   22,858,000                  
Warrant liabilities         11,259,000   119,581,000                  
Trade payables         € 20,865,000   35,171,000                  
Percentage of revenues         82.00% 82.00%                    
Day One Loss [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Deferred day one loss         € 12,392,000   12,392,000                  
Fair value of warrants             16,669,000                  
Nominal amount             € 20,000,000                  
Warrant liabilities include non-cash effective changes         € 17,819,000                      
USD [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Percentage of revenues         92.00% 92.00% 95.00% 95.00% 95.00% 95.00%            
Depreciated percentage         10.00% 10.00% 10.00% 10.00%                
Onerous contracts provision [member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Recognized provision onerous contract amount         € 25,000   € 162,000                  
Cost of Goods Sold [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share-based payments         417,000   538,000   € 147,000              
Research and Development Expenses [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share-based payments             222,000   49,000              
Selling, General and Administrative Expenses [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share-based payments         1,938,000   3,330,000   1,365,000              
Shareholder Loans [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Interest expense         € 21,563,000   € 16,106,000   2,784,000              
Lender Warrants [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares             100,000           100,000      
Over-Allotment Options [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares         937,486           937,486          
Sponsor [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares         4,475,000           4,475,000          
Top of Range [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Corporate tax rate         15.00% 15.00%                    
Lease maturity runs         4 years 4 years                    
Increase equity     € 6,741,000                          
Trading days         30 years 30 years                    
Average expected fluctuation         10.00% 10.00% 10.00% 10.00%                
Range of exercise prices (in Dollars per share) | $ / shares           $ 15.08   $ 10.44                
Average expected percentage         10.00% 10.00% 10.00% 10.00%                
Bottom of Range [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Corporate tax rate         10.00% 10.00%                    
Lease maturity runs         1 year 1 year                    
Trading days         20 years 20 years                    
Average expected fluctuation         0.00% 0.00% 0.00% 0.00%                
Range of exercise prices (in Dollars per share) | $ / shares           $ 3.21   $ 3.21                
Average expected percentage         0.00% 0.00% 0.00% 0.00%                
Commercial and industrial [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Revenue from contracts with customers         € 2,190,000   € 1,677,000   14,186,000              
Goods or services transferred over time [member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Revenue from contracts with customers         0       1,602,000              
ADSE [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Write-downs of inventories         € 13,198,000   689,000   8,093,000              
Percentage of drawdown probability         5.00% 5.00%                    
Other accrued         € 1,866                      
ADSE [Member] | Onerous contracts provision [member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Recognized provision onerous contract amount         € 1,313,000   € 3,719,000   € 8,614,000              
ADSE [Member] | Top of Range [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Interest rate         9.56%           9.56%          
ADSE [Member] | Bottom of Range [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Interest rate         3.78%           3.78%          
ADSE Holdco [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares         12.68           12.68          
Weighted average basic (in Shares) | shares         56,394 56,394 51,224,000 51,224,000 48,919,000 48,919,000            
Weighted average diluted (in Shares) | shares         61,558,000 61,558,000 57,724,000 57,724,000 49,208,000 49,208,000            
Increase in equity             € 1,775,000               € 1,301,000  
Payroll taxes decrease             221,000                  
Net increase in equity             2,094,000   € 1,249,000              
Charge box (CBX) [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Carrying amount         € 1,664,000   2,636,000                  
DC-CBX [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Carrying amount         2,188,000   3,465,000                  
CPT [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Carrying amount         € 10,132,000   € 12,159,000                  
Second shareholder loan [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Constant maturity US treasury rates         1 year 10 months 24 days 1 year 10 months 24 days 1 year 7 months 17 days 1 year 7 months 17 days                
Other accrued             € 0                  
Warrants issued (in Shares) | shares             2,500,001           2,500,001      
Warrants exercise price (in Shares) | shares             1,500,000 1,500,000                
Warrants issued (in Dollars per share) | $ / shares               $ 6.2                
Investor [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Par value (in Dollars per share) | $ / shares                           $ 6    
Shareholder Loans [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Interest rate         10.00%           10.00%          
Exercise of warrants             € 188,000 $ 200,000                
Fair value of warrants         € 35,377,000   € 78,849,000                  
Warrants exercise price (in Shares) | shares             6.2 6.2                
Warrants shares issued (in Shares) | shares             7,300,003 7,300,003                
Loans and borrowings amount         5,010,000   € 13,333,000                  
Public Warrant [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares             5,047,695   2,139,586       5,047,695      
Warrant liabilities             € 40,731,000   € 8,173,000              
Private Warrants [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares             2,773,255           2,773,255      
Warrants exercise price (in Dollars per share) | $ / shares                     $ 3          
EUSG [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares                               6,250,000
Nominal amount         € 21,957,000   € 1,187,000           $ 1,847,000      
First Shareholder Loan [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Constant maturity US treasury rates         7 months 24 days 7 months 24 days                    
Warrants exercise price (in Shares) | shares             1,716,667 1,716,667                
Warrants issued (in Dollars per share) | $ / shares               $ 3                
First Shareholder Loan [Member] | Top of Range [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Constant maturity US treasury rates             7 months 24 days 7 months 24 days                
First Shareholder Loan [Member] | Bottom of Range [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Constant maturity US treasury rates             2024 years 2024 years                
Second Shareholder Loan Plus [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Constant maturity US treasury rates             1 year 7 months 17 days 1 year 7 months 17 days                
Warrants issued (in Shares) | shares             4,800,002           4,800,002      
Warrants issued (in Dollars per share) | $ / shares               $ 6.2                
Shareholder Loan Plus [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Nominal amount             € 1,280,000                  
NQSO [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Increase in equity             1,775,000   € 832,000   $ 1,301          
One Shareholder Loans [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Nominal amount             € 2,305,000                  
Germany [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Revenues generated         49.60% 49.60% 76.10% 76.10% 72.10% 72.10%            
Ordinary shares [member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares     1,666,667                     1,666,667    
Par value (in Dollars per share) | $ / shares                           $ 0.0001    
Issued share capital | $                           $ 167,000    
Ordinary price per share | $                     $ 433          
Ordinary shares [member] | ADSE [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Other accrued         € 0                      
Ordinary shares [member] | Second shareholder loan [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Other accrued             € 2,110,000                  
Restricted Stock Units (RSUs) [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Shareholder loans         1,249,000   2,314,000   € 729,000              
Capitalised development expenditure [member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share-based payments         343,000       5,404,000              
Customers [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Cash         22,858,000                      
Customers [Member] | Over-Allotment Options [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Shareholder loans             10,286,000                  
Customers [Member] | Goods or services transferred at point in time [member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Revenue from contracts with customers         5,831,000   37,225,000   € 7,262,000              
Customers [Member] | ADSE Holdco [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Cash         6,987,000                      
Customers [Member] | Loans and Borrowings [Member] | Over-Allotment Options [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Cash         6,987,000                      
Warrants [member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Warrant Liabilities         40,567,000                      
Finance expense from remeasurement of warrant liabilities         € 8,724,000                      
Percentage of dividend yield         0.00% 0.00%                    
Issued share capital             128,000           $ 138,000      
Capital reserves             15,835,000                  
Weighted average share price (in Dollars per share) | $ / shares                     $ 11.5          
Warrant liabilities include non-cash effective changes         € 15,647,000                      
Warrant liabilities         € 54,808,000                      
Warrants [member] | ADSE Holdco [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Share issued (in Shares) | shares     1,339,285                     1,339,285    
Warrants shares issued (in Shares) | shares   10,310                            
Term of warrants   1827284 years                            
Six-Month Warrants [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Constant maturity US treasury rates         4 years 3 months 29 days 4 years 3 months 29 days                    
Six-Month Warrants [Member] | Loans and Borrowings [Member] | Capitalised development expenditure [member] | EUSG [Member]                                
Disclosure on individual items of the consolidated financial statements [Line Items]                                
Trade payables             € 2,275,000