I use the Pentax pack with C cells. It works well. I do wish there was a lead acid battery available for the 540, but unfortunately there is none of which I'm aware. Paul On Mar 13, 2010, at 6:31 PM, 27...@comcast.net wrote:
> Has anyone made a external pack for this flash or know of something besides > the c powered pack that Pentax sells / Thanks > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.