It seems for me as a total capacity of 6Ah theoretically (a small remark: the measure 300 mA/hour makes no sense; the current is measured in mA). I would suggest a jelly type lead battery. Imre On Mon, 8 Jun 1998, David Wong wrote: > Where can I find data or a web site on batteries in general. I'm looking to > spec in a battery to power a Pic and a bunch of other electronics for about > 20 hours. The current consumption of the parts would be about 300mA/hour. > What would be the ideal battery? Also can anyone direct me to some > companies that do fast charger IC's as well as gas gauges for batteries. > And any parts that you may recommend. > > Thanks > DW > >