According to Baidu's purchasing data, the service life of elevator emergency power is generally 5 years or 10 years. Specifically, the service life of emergency power supply is as follows: lead-acid battery: 5 years; Nickel-cadmium battery: 5 years; Nickel-hydrogen battery: 5 years; Oil-fired generator set: 10 year.
Elevator emergency power is an elevator emergency rescue device, and YX series elevator fault rescue device passed the test of "National Elevator Quality Supervision and Inspection Center" in 2008, and obtained a patent from China National Intellectual Property Administration.