Put car on computer. Codes that came up were hybrid battery and transmission.

Hello, it is very hard to say by just reading codes stored in the processors. A proper diagnostic test will need to be performed -- the codes need to be translated into diagnostic pin point testing to determine what has caused them. For a 2004 hybrid, I would expect the hybrid battery could be weaker than you need to operate properly, but it is totally a guess without hands on testing. Also, a transmission that has internal issues will prevent proper acceleration also. I'm sorry to say that we can't tell you more on this forum -- hands on diagnostic testing is required to get to the bottom of your issue. Good luck!