Cordless Phone Battery for VTECH i6725-1 pc

hey guys i'm student w we're gonna do a quick diy and how to to replace a dead battery in your cordless phone now typically when you buy a cordless phone like this vtec hd audio one that comes with like your two handsets or three handsets and to order new batteries for it you basically just search online but anyways we had three handsets only one had a bad battery and we phoned this thing for over five years so this is more of a long-term review had no problems with this thing great audio quality everything else like that but it's already been about five years and one of the batteries are going bad i assume that the other two are going bad pretty soon check the r2 they look fine and it's only the one that had one bad battery so to basically open this thing up to get a spear to order a new battery and battery number you could just search against the model number of this vtec unit so i'm