hi joe,

http://www.eham.net/forums/EmergencyCommunications

lots of info on this topic and many others related to emergency comm.



"Joe Bramblett, KD5NRH" wrote:

I'm looking at setting up my extra dual bander and my 10m rig in an old
metal desk for base station use, and one of the local stores is closing out
their old brand of 7AH 12V gel cell electric fence batteries. Given that
each rig has a maximum draw around 8-10A at full power transmit, and few mA
otherwise, that I won't be transmitting simultaneously on both, and that I
will likely only have 500mA-1A of continuous charging current available,
how many batteries should I plan to stuff in there? I do have the ability
to charge at higher current temporarily if they become depleted during a
power outage or something, but it's not convenient for daily use. (that
charger has other uses that are generally more important)