How should we open the door of rack when its lock battery is over?

How should we open the door of rack when its lock battery is over?

Even the battery of Datasheen digital locks will be over, what should we do in this situation? Although you are being informed in advance (when you place the User card on, there will be 4 beep sound, di dididi, which means that the old batteries are weak and you should change them with new ones), but you should know what to do.

The solution is the Emergency Adaptor Power Cable of Digital Lock.

This cable gives you the power needed by connectingto a USB port. After placing the user card on the lock the door can be opened easily and you can change the batteries too. Please see the following picturesfor the procedures to replace run out battery.

Every device with 5V power can be attached to the USB port and give you the power needed. It can be your laptop or even a cellphone.