Is the elevator electric saving only the power saving effect

When the elevator is used, is it only the effect of saving electricity? We can see that when the elevator is used, the power saving effect is very good. It can achieve the energy saving effect of about 20% to 35%. So there are many elevators, in the process of use, slowly many operating enterprises, will buy an elevator appliance for installation. It will feel that the energy saving effect is better after it is installed again.
In addition, we will find that there are some communities that may have some power outages or some unexpected blackouts. So there is no spare power, when the elevator is running, if the power is broken, it will stop running. In case anyone in the elevator is used in the elevator, it will be threatened with a certain safety.
As a consideration for this, we can see that the installation of the elevator Saver, at run time, if a sudden power outages, because the elevator Saver inside, can save electric energy, so the elevator can continue to operate for a period of time. Then people can take this period of time, get out of the elevator, for themselves, it will be safer. So the elevator appliance is not only the only electricity saving, but also it can play the role of electricity storage.