As AGMs are "sealed" they should not be subjected to the "equalizing" conditions. Flooded lead acid can take the overcharging conditions that the equalizing subjects them to as they can vent. The AGMs venting are safety valves. Lead acid batteries should be equalized as the plates will build up scale and this reduces capacity. The AGM while "starved" is a lead acid but cannot be equalized. I have had AGMs and now use gel which because of a different electrolyte are so slow to sulfate that you don't even have to think about it.