On Mon, 29 May 2006 12:42:56 -0400, Mike wrote:

In article a,
"jtaylor" wrote:

Why were they needed in the first place? The 9-volt package has a lot more
package and a lot less mWatthrs in it. Was it because of the voltage - did
the existing solid-state tech not work so well at 3V?

Probably. The very first transistor radios used a 45 volt battery!

MIke


A 45v battery on the tongue would hurt.