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Hi, I feel my third party AA battery adapter is a little too tall for my K-r. It slides in well and locks in place nicely. The problem is that the battery door can't shut perfectly because it seems the AA battery adapter is a little too tall. Hence, the door will be slightly ajar and the sliding lock gets stressed when it shuts. So I don't use the AA adapter because I'm afraid the battery door lock will snap.
Is this the case? Does your third party AA battery adapter allows you to shut the battery door completely? Please share. I might get another one if mine is not right.