On 2011 Mar 10, at 11:59 AM, Tony Duell wrote: > >> where are the 3.6v batteries available? > > There is a type of lithium cell that's 3.6V. I seem to rememebr that > some > Macs used it. Yes, they (many Macs) did, they are half-AA size, but are rather expensive and relatively difficult to obtain.