Battery Replacement Kit for TomTom XL 340S with Installation Video, Tools, and Extended Life Battery. Guaranteed for Full Year High Capacity 1200 mAh 3.7V Battery Revives Your TomTom XL 340S or TomTom XL 340-S GPS unit Comes with Tools and Video Instructions Kit Includes Everything You Need to Revive Your TomTom XL 340S GPS