hope darren dun mind abt this OT...may be the mod can help me to split this up?
ok...here is the list may have some more device to add...
I need a battery that can power up the followings continuously for 6 hours at least, all of them require 12V DC
a telescope's computer
a laptop <- main batt eater,as it is constantly capturing video/pictures and have to assist the telescope's computer
a Hi8 video camera
a CCD camera with peltier/fan cooling
a small portable TV <- not for entertainment, but for display of images
two digital cameras