Sounds like a bad starter, which will end up killing every new battery that you put in.
1. a new battery needs to be registered to the car so that the vehicle/ alternator does not send too much voltage back to the battery.
2. You can test voltage drop at the starter to confirm a bad starter. I just went through it but i couldn't afford a new starter so i took off my old one and had it refurbished. works like a charm.
3. if it is your starter, have fun with that one. its a monkey and a half to get to, hiding itself under the intake manifold.
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