Inverter Battery Backup Time

Backup time battery ah x 12v x n x efficiency of battery load in watts where battery ah ampere hour capacity of battery.
Inverter battery backup time. The performance of the inverter depends on the connected battery and vice versa. To help you make the right purchase we have. The battery backup time in hours can be calculated using following formula. 1 ceiling fan 75 watts.
They have a battery system which provide adequate backup time to provide continuous power in the home. Similarly the battery is an integral part of the inverter. My inverter is not giving sufficient backup. Inverters convert dc voltage to ac voltage.
1 tube light 40 watts. Similarly battery is an integral part of the inverter. The inverter system then converts the battery voltage to ac voltage through electronic circuitry. Battery size inverter va rating x usage time in hours input voltage.
The performance of the inverter depends on the connected battery and vice versa. This is the most common complaint raised against the home inverter system. If you wish to have a backup for 6 hours with a 380 va inverter and battery input voltage of 12 v the total battery size would be. Where battery ah ampere hour capacity of battery.
Backup time battery ah x 12v x n x efficiency of battery load in watts. The inverter system also has some charging system that charges the battery during utility power. We expect maximum backup time from the inverter system with a tubular battery but unfortunately we get half or less backup time than we expect. Back up time of inverter battery battery volt x battery ah rating total watts on load so if a person use 1 ceiling fan 1 tube light 2 15watts cfl simultaneously with 150 ah battery then the backup time will be calculated as.