Quote:
Originally Posted by fkshiu
Has anybody tested how long these puppies last before the batteries die?
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I have one of the double-D cell air pumps running my ATO and I am using the original batteries since I installed it early last summer. Typically it runs for 2 minutes every hour and certainly more on hot days. I think the 72 hour run time is probably accurate with a new set of duracell. Damn things are loud as hell though as they are piston driven and not diaphragm.
