http://www.dawpower.com/energy-storage-battery/
As modern buildings and communities become taller and taller, elevators have become an indispensable part of people's daily life and work. However, a power outage in an elevator is a very troublesome and dangerous thing. In order to ensure the normal operation of the elevator during a power outage, backup batteries have become a very necessary and practical product.
According to the frequency of use and power consumption of the elevator, we have developed a high-quality elevator backup lithium battery, which uses high-efficiency energy storage technology, effectively saves en