Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Registration Statement No. 333-257667 on Form S-1 of our report dated November 17, 2023, relating to the financial statements of Clarios International Inc. We also consent to the reference to us under the heading Experts in such Registration Statement.
| /s/ Deloitte & Touche LLP |
| Milwaukee, WI |
| December 15, 2023 |