G Scale Model Train Forum banner

bachmann 9 volt sound battery

1 reading
83 views 4 replies 5 participants last post by  Curmudgeon  
#1 ·
I have 3 Big Hauler locos. One with the volume control/off switch and two without. What happens to the battery if I leave it in the tender when not using the locos? Will it go dead? Is there a constant draw?