It depends on how they're used. In their designed application (i.e. forklift duty) they are often near fully discharged during a work day, and fully...
Just making a general comment. With the price of natural gas so low and projected to remain relatively low for some time, I expect residential scale...
I haven't seen any videos of the new units. I see no reason why the new units should not be superior to the old units. Funny, but I think I may have...