That's not true. Even new (2022) Tesla will "leak" 7% plus per day with Sentry Mode on (regardless of whether it detects and records motion. With Sentry mode off and "app discipline" my 2022 MYP lost a total of 1% in 24 days parked outside at the airport in Boston in January though.....OP's drain was 26% in 17 days.....so less than 2% per day and OP didn't state whether and how often they woke the vehicle by checking the app