Oh joy... More new members with their horrible grammar...
Anyway. Yes, you did fry your FETs. Its possible that you wired it wrong or something. It would help if you had a link or a better description of the lithiums that you used. If you are any good at soldering, then the board is repairable, if not, you might want to get someone here to fix it.
I could give you a better an answer if you were able to explain your problem a little more clearly.
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