A battery backup system allows your opener to work even if the power is out. This is an important feature that can potentially save your life in the midst of a crisis. Even if you know how to manually open your door, it doesn’t mean you have the strength to do that.
Also, in the midst of a crisis situation, many people do not think like they should. Because of that, it is hard to process the information you need to open your door. Installing a backup system can save your life if you need to evacuate the area and can’t get your car out of the garage.
