For TomTom GO 720 / GO 730 / GO 920 / GO 920 T / GO 930 / GO 930T Portable Travel Plug-in Car Charger + Home Wall AC Charger Combo Bundle Package Gives you the flexibility to charge your navigation unit at home or on vacation Lightweight unit restores power to your unit Safely charges the battery on your devices while driving IC Chip recognizes a full battery & automatically switches to saver modeing and overheating)