I need to reduce the voltage of a 6 volt lantern battery to 2 volts, is a huge resistor the best bet?

 

What is the application?

 

I need to reduce the voltage of a 6 volt lantern battery to 2 volts, is a huge resistor the best bet?

That would certainly be the simplest, but VERY inefficient. A switching regulator would be much more desirable.

eric

 

What is the load / current required; how many amps?