This Review Title is Limited battery life makes it a BAD buy and the content is: I have bought T7500 which had bad battery and then T770 which also died after about a year. I have tooth brushes that last years. For some reason norelco batteries have very limited life.<br /><br />AVOID buying this..There are other information for this review, one is This reviewer did purchase it and the other is 2 people think this review is helpful.