I've searched the forum and found good information on the
need to vent a battery installed in a tongue box, but I haven't found much on the the best ways to do it. I plan to compartmentalize the tongue box shown in the pic and use one side for my battery and the other side for a CTEK smart charger. I would seal off the charger from the battery compartment to isolate it from sparks, etc and perhaps vent the charger compartment also if needed for heat dissapation. But, I'm looking for ideas (preferably inexpensive) on how to actually vent the battery compartment. What size do the vent holes need to be and should there be more than one (ie top and bottom of the compartment. What size tubing/materials? Pics of how any of you accomplished this would be great if you have them. Here's a pic of my tongue box setup:
