Continuing from the previous post above. Firstly I know how to calculate current in a DC situation.
However, since I am using an inverter that produces 220V at its output I would like some assistance in calculating the current consumption of a 30W LED and NOT a 50W LED. The specs given from the box for the 30W LED is 30W LED website:
Supply voltage: 200-240AC
Is it possible to determine the current consumption of the 30W LED from the specs given above?
Is the current consumption of 151mA correct, assuming a supply voltage of 220V AC? Using the following site of rapid tables
If it is correct then using a 18A-h is an overkill and since I will be running the light for only 2 hours(duration of the black out) a 3.5A-h will therefore suffice. Is this assumption correct?
The smallest SLA battery is 3.5A-h battery in my region.