US Patent 11414031 Extending charging availability after vehicle ignition off

A system includes an ignition switch, a power source, a power outlet, and an electronic control unit communicatively coupled to the ignition switch. The electronic control unit is configured to: determine that the ignition switch is set to an OFF state, determine whether a state of charge of an electronic device coupled to the power outlet is below a target state of charge, and in response to determining that the ignition switch is set to the OFF state and determining that the state of charge is below the target state of charge, provide power to the electronic device, from the power source and through the power outlet, while the ignition switch is set to the OFF state until the state of charge of the electronic device reaches the target state of charge.