From where I sit it seems we, as in the boating
community in general, don't even understand lead acid batteries yet a few of us are expected to know and have all the answers on LiFePO4
I regularly see lead acid batteriess murdered with well under 200 cycles on them. I replace into the three figures each year of LA batteries and only a few of them ever broke 200 cycles.. Many don't even last past 100 cycles even when folks spend close to the money
they would for LiFePO4
Properly set up, used and charged LA batts do and can last a long time but there is a large portion of boaters that can't or don't care to do this.
I find it interesting that a huge portion of boaters can't even eek out 100-200 cycles on LA's yet the few of us currently using LiFePO4 are supposed to have all the answers, as in, now or yesterday....?
Why did we not demand the same data of AGM
makers whey they first entered the marine
market claiming 80% DOD and no sulfation..?? Both of which turned out to be a load of horse dung.
John Harries is a pretty good sailor, and has a good grasp of things, yet look at what it took him to fully understand how to get the best life out of his AGM
AGM Batteries - Morgan's Cloud
I went through similar exercises with AGM's when they first appeared on the scene and had to figure it out on my own. Course we were told back then it was okay to cycle to 80% DOD, they don't sulfate, and a host of other questionable claims by the manufacturers. Claims which left us out here in the field holding the bag....
I am closing in on 200 cycles and the vast majority have been to 80% DOD... So far so good. I make no claims about longevity just as no one can about LA. Each persons use, charging, temperatures, cycling and discharging will all be different. Each of these things can change how many cycles you get. I do suspect there are some early adopters who will get less cycle life than others, based on charging habits, but it will really be a wait and see.
I am sitting on-board right now with the Espar going, 12V fridge, stereo, cabin
lights, LPG solenoid for coffee, cabin
fans as well as the inverter
to power this computer & charge some camera
batteries. My GPS
are also on, cookie trail while anchored is always a good idea if someone drags into you. Due to limited vis the anchor
light is also on, it is pea soup fog
The battery voltage with all this running is still 13.24V..... That to me is the biggest benefit. My equipment
loves it and things like my fridge compressor
perform better and use less overall energy. At this same point, SOC wise, with the same size LA bank in Ah capacity, our "loaded" voltage would have been well under 12.0V.