Oct 26, 2011 #1 G Glenn Member Joined May 13, 2008 Messages 80 Reaction score 0 Points 6 I have a 12v 5w pond pump that I would like to run off a car battery for a display. Any ideas how long the battery will last?
I have a 12v 5w pond pump that I would like to run off a car battery for a display. Any ideas how long the battery will last?