For use in emergent situation. If the normal power is shut off, the emergency power can be used for automatic door system to open or close the door for only once.

1. Built-in 12V, 800mA Nickel-metal hydride battery (Ni-MH). When the emergency power is not used, please shut VB1 and VB2 off. Please connect VB1 with VB2 when the emergency power is in use.

2. The emergency power will click for alarm when its battery power runs out. The outer alarm device can be connected with alarm output by connecting with B1 and B2.

3. When the emergency power clicks for alarm, please replace it with new battery in time.

4. The emergency power will start power supply capacity self-detection in 90 minutes after it is connected with the power. If the power supply capacity of the battery is not enough, the emergency power system will click for alarm.