this review title is: search google norelco battery before buying and the content is: not much more to say nice trimmer but the battery loses it is ability to hold a charge after a year or so norelco provides no solution in case you are saying to yourself i will use it plugged in think again it does not work at all when it is plugged into a outlet that is only for charging as long as the battery lasts.there are other information for this review, one is this reviewer did not purchase it and the other is 0 people think this review is helpful.