Hi! On Mon, Jun 11, 2012 at 2:11 PM, P. J. Alling <webstertwenty...@gmail.com> wrote: > Dmitry Gromov wrote: >> >> Hi! >> >> On Mon, Jun 11, 2012 at 11:11 AM, P. J. Alling >> <webstertwenty...@gmail.com> wrote: >> >>> >>> Sorry, I can't seem to keep my chemistries straight. I have used the CR1 >>> form factor cells because they were more convenient. They work fine. >>> They >>> still didn't seem to last as long just stiiting as the silver oxides, >>> they >>> seem to have a faster self discharge rate. >>> >> >> >> Ok, great, thank you for the confirmation! They are convenient, I >> agree, but they seems to be more expensive than silver oxide... >> > > Back when pretty much every camera used button cells and a lot of cameras > started using two due to the increased power drain from everything becoming > electrically controlled, they were pretty much on par as far as price goes. > Now they're a specialty item. LR44/S76 etc. are still used in hearing aids > among other things so there's still a fairly large demand which leads to a > large supply, and the rules of economics take over. > > I started using only the silver oxide cells when my original HP-42s died, > (it used PX13 mercury cells), and HP replaced it with an upgrade that used > 1.5 volt button cells. After a replacing the LR44's twice in a year, I > tried the S-76 and replace them once every, two or three years. I have a > pocket digital multimeter that runs on them too. As long as I remember to > turn it off between uses they seem to last forever. >
Very useful information for me, thank you! CR1 are actually being used in dog's collars as far as I can tell and there is still some demand for them... But I'll switch over to S76/SR44 after I run out of the order I placed... Dmitry -- //DG LOC(NJ) //* -- 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.
