How to detect the battery of the emergency cabinet
شركة عالمية رائدة في مجال توفير أنظمة تخزين الطاقة تتمتع بخبرة تزيد عن 20 عامًا في تصنيع البطاريات.
Safe with emergency power supply. High-end lockboxes have an emergency power connection, especially the ones which have a biometric scanner. If the power runs out, there''s a socket where an external backup battery connects and allows you to open the safe. Find the socket for an external backup battery near the keypad;