It is baffling that in 2024 that my appliances don't have a battery backup for the time. It costs less than 50 cents and requires the battery be changed no more

It is baffling that in 2024 that my appliances don't have a battery backup for the time. It costs less than 50 cents and requires the battery be changed no more than every 20 years. But still every time the power goes out I need to reset my clocks.