Access control system to power 48 hours, how much UPS power?
For example, the access control system is 600W, so you can configure the 2KVA UPS power supply, configure the 12V100AH battery 12, 6 sets of series, two parallel groups.
Access control system is low power, can reduce the number or capacity of batteries.
You need to know the power consumption of the access control system to configure the appropriate UPS power supply
