Cigarette Lighter Adapter. Portable car lighter adapter lets you recharge your Treo communicator or organizer from the road. Just plug the adapter into the cigarette lighter socket, attach the connector to the bottom of your communicator or organizer and get charged up on the way to work or between appointments. Built-in LED status indicator lets you know when you communicator or organizer is charging. Car lighter adapter is compatible with any 12-volt cigarette lighter receptacle in your car, truck or boat.