Battery Backup Time Calculator Formula. Let us calculate the backup for a system ups load is the usage power suppose we are running a. This is the formula that is commonly used to calculate battery run time. This purely depends up on the load.
The ups wattage the battery backup will not vary. Although there is seldom a 100 efficiency factor when hooking up a battery with a device the formula below will be based on this case scenario.
Very often consumers will opt for a lower cost quote on a backup system.
Ups backup battery ah volts load 1 power factor example. However the one thing that consumers consistently fail to understand is battery sizing for backup power systems. The battery backup time in hours can be calculated using following formula. Where battery ah ampere hour capacity of battery n number of 12 v batteries needed efficiency of battery generally it is 0 8 which is the max.
