I lost a couple percent per day when leaving my car parked in 10°F weather. It’s about the same as enabling sentry mode. If the car is plugged in– even to a ty

I lost a couple percent per day when leaving my car parked in 10°F weather. It’s about the same as enabling sentry mode. If the car is plugged in– even to a typical 120V wall plug– it’ll charge and warm the battery even in single digit temps.