If you are trying to play Need for Speed: ProStreet on a modern PC (Windows 10 or 11) without this patch, the game is arguably broken. The "Battery Patch" (often found bundled as the or similar community fixes) is not just a nice-to-have; it is mandatory for a playable experience.
It is the required foundation for the NFS ProStreet Generic Fix and MultiFix, which restore the frame rate and fix modern OS crashes. need for speed prostreet 11 battery patch full