Did you know that sulfuric acid (H2SO4) based batteries produce Hydrogen (H2) when charging? This is why OSHA requires ventilation (1910.178(g)(2) and “NO SMOKING” signs (1910.178(g)(10) in charging areas. And FYI… H2 is 16X’s lighter than air, so the exhaust needs to be in the roof- not even high up on the wall near the...