12V Mini-UPS for Fingerprint Time Attendance /Access Control
12V 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
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