How Many Volt Is A Aa Battery. If two 1.5 volt batteries are connected head to tail, the total voltage is 3.0 volt. Assume the batteries in the diagram have a 1.5 volt and 500 milliamp.
My device has 3 aa batteries which are 1.5 volts each. 1.5v is the recommended voltage for aa/aaa alkaline batteries. In general, it takes about 2 aa batteries to run a car.