9V power source

[ryanleung]

My project is infrared headphone.  I would like to supply 9V for my circuit but I do not like to use 9V battery (1.5Vx6).  Any suggestion about it.
Thx~~~

 

[audioguru2]

You didn't post your project's schematic so we can't see what supply voltage its parts need.
Will the parts work from the 2.0V to 3.0V from a couple of battery cells?

 

[Tony_Stoynov]

Hi,
You can use just one bateries, a 9 V cells, or a 3 LiOn cells, this will give you around 11 V, depent from the current that you will be need have a different possibilities, if can give me us more specific parameters, specially current, we can give you the best decision.

p.s. why you use 9 V, why not use a 3 or 5 V schem?