Look at the total weight of each option. More lead the more they can store.
The physical size limitation is huge in many RV's so check that out.
This year the 2006 T-105 Trojan 6v battery on the 36 volt golf cart would go down the hill but not back up. I had 4 of the DC-27 batteries from 2011 that we pulled from a computer UPS system with not real need for them so we pulled the 6 batteries and replaced with three of these at no new cost. They perform well with the cart 50% or 180 pounds lighter but the run time is 50% less than new 6v batteries but 1444% more run time than the 8 year old T-105 Trojans. :)
How many times do you wake up cold at 4 am because the furnace died due to weak batteries?
Building too large of battery banks can be bad too.