Sony made changes to minimize the problem but did not recall suspect batteries because it wasn't clear that they were dangerous Dell and Sony knew about and discussed manufacturing problems with ...

Sony Corp. has provided greater detail about a battery manufacturing problem that is expected to see the replacement of up to 9.6 million laptop computer battery packs. The problem was first ...

Also, the old battery recharges just fine. (It's nearly dead though, and discharges in less then an hour as opposed to three hours when purchased...) ...