====== the case for AGM ======

There are situations where AGM is worth spending twice as much compared to flooded lead-acid.  

  * the ‘dweller installs the battery bank in a location where it is not reachable for normal maintenance
  * the ‘dweller needs to mount the battery on its side for some esoteric reason (or is 4×4 trekking so the RV itself can end up in weird angles)
  * the 'dweller is a heavy off-roader and needs the internal plate support AGM provides in violent shaking and vibration
  * the ‘dweller wants to run heavier-than-normal [[electrical:12v:loads|loads]] relative to bank size (microwaves, electric coffeemakers, electric cooktops, etc). Note this means **the battery can be drained faster**, not that it provides more capacity.  Overall charging will take [[opinion:frater_secessus:charging_faster|roughly the same amount of time]].
  * the ‘dweller has has an actual (not imagined) chemical hypersensitivity
  * the advanced ‘dweller is running a single battery for both house and starter systems (“[[electrical:solar:shallow_cycling|shallow cycling]]”)  <– not for beginners!
  * the 'dweller is intentionally running the bank in [[electrical:12v:psoc|PSOC]] and wants to get through Bulk charging as quickly as possible due to limited charging opportunities.

Lithium does things as well or better for lower overall cost-per-kHw, but still costs more upfront.