Hi Roman, Thanks! Actually, the L1028 says on it that it IS alkaline. Sean At 06:53 PM 12/5/00 +1100, you wrote: >Sean H. Breheny wrote: > > > > Hi all, > > > > Just wanted to give an update on the "small batteries" thread. I got some > > of the 12V lighter batteries (a little smaller than a AAA cell), as well as > > some even smaller 9V and 6V batteries of similar design. I haven't done > > that much testing yet, but one of the 12V ones started with an open circuit > > voltage of 12.5V, and then when I placed a 510 ohm resistor across it, the > > voltage dropped to 11.6V, and decreased at about 50mV per second for > > several seconds (I didn't keep it hooked up very long). This drew about 22 > > mA. So, it looks like it will work reasonably well for my application (I > > need about 20 to 30mA for 20 seconds). At this 22mA rate, the battery would > > drop to 7.5V (minimum for a regular non-low-dropout 5V regulator) in 82 > > seconds. > > > > I haven't tested the smaller ones yet, nor have I actually done a longer > > discharge for the 12V ones. I will report back when I have a chance to > do that. > > > > The actual battery used was an L1028 made by Vinnic (can be had from > > www.24hrsbatteries.com) It weighs only a few grams. > > > > Thanks for the help, > > > > Sean > > >Sean, we see a lot of these 12v batteries in RF remotes for home/car >alarms, you can get alkaline versions for a fraction more price with >significantly more storage. Don't have any mAh figures for you but >in remotes used every day the alkaline last twice as long. :o) >-Roman > >-- >http://www.piclist.com hint: The PICList is archived three different >ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.