T4W has had this for about a year. It has two such features. Scheduled charging, and Delay charging. Scheduled charging allows charging actions to be sent to the car in a sequential queue. Delay charging allows you to tell the car what percentage to charge to and when. Could be 2 hours or 2 weeks. The car charges for a few mins to calculator how long it will take, then the app just sits and waits. Accuracy of +/- 30 seconds even weeks later.