When the battery backup time is 10h k 1.
Inverter backup time formula.
Formula to calculate the back up time of inverter battery.
The battery backup time in hours can be calculated using following formula.
The performance of the inverter depends on the connected battery and vice versa.
Backup time battery ah x 12v x n x efficiency of battery load in watts where battery ah ampere hour capacity of battery.
For calculating inverter ups back up time follow these formula.
Calculation about no of solar panels batteries rating backup time inverter ups rating load and required watts.
In order to calculate the battery backup time multiply the battery size in ah by the number of batteries needed by battery voltage usually 12v by battery efficiency rate usually 0 80 then divide your answer by your power load in watts.
Since every machine wouldn t able to deliver 100 efficiency and it will varies from company to company.
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.
Inverter battery backup time is calculated as.
Where battery ah ampere hour capacity of battery.
Battery charging current and battery charging time formula easy charging time and charging current formula for batteries.
Unit volt v η battery inverter efficiency.
When the battery backup time is 3 5h k 0 8.
N number of 12 v batteries needed.
The performance of the inverter depends on the connected battery and vice versa.
With example of 120ah battery.
Back up time battery power in watt hour wh connected load in watts w battery power in wh battery capacity in ah x battery voltage v x number of batteries.
When the battery backup time is 3h k 0 6.
Back up time battery voltage ah rating n n total wattage load where n no of batteries.
Back up time of inverter battery battery voltxbattery ah rating total watts on load.
With circuit diagrams a br reply.
Backup time battery ah x 12v x n x efficiency of battery load in watts.
1 ceiling fan 75 watts.
This video helps you to find out backup time of an inverter battery vrla valve regulated lead acid smf sealed maintenance free battery.
V battery pack rated voltage.