I had this same issue with mine and when I took it apart (great tutorial on Ifixit.com) I discovered that it is just 2 AAA batteries soldered in. I just purchased a set of them at my local store and soldered them in. Works great again.
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I had this same issue with mine (Phillips Norelco Multigroom, not a 3100 model but one with a turbo button on it) and when I took it apart (great tutorial on Ifixit.com) I discovered that it is just 2 AAA batteries soldered in. I just purchased a set of them at my local store and soldered them in. Works great again.
I had this same issue with mine and when I took it apart (great tutorial on Ifixit.com) I discovered that it is just 2 AAA batteries soldered in. I just purchased a set of them at my local store and soldered them in. Works great again.