[RE-wrenches] battery venting

[Michael Welch]

Exeltech wrote at 02:16 PM 12/31/2011:
 
>4) Install the vent fan on the fresh-air inlet side of the box.  

Not a recommended practice. This pressurizes the box, so that the gas can exit through any leaks into the room just as easily as up the vent. So instead, the fan should be an exhaust fan, pulling from the box, creating a slight vacuum. That way any leaks are into the box, not out of it.