ZKteco 5V Mini-UPS for Fingerprint Time Attendance /Access Control ZK-B2

This 5V Li-ion mini-UPS
uninterruptible Battery is used for
the Attendance Time Clock and Access Control .Under
the environment where the power is cut off suddenly, power discharge
can be realized automatically to continue power supply for fingerprint
sensor. when the Power
failure, it can supply the power for the time clock and access control!! Auto
even floating charge switch control can recover battery capacity
quickly and activate battery effectively. Auto temperature compensation
can prolong battery usage greatly.