So after a lot of reading articles like this : https://marinehowto....attery-monitor/ (which is great by the way) who does any of the following:
1. Who here has taken the time to measure actual Capacity? Seriously considered it, but too many more important things to do.
2. Who thinks that there bank is being kept full by solar? Solar is still on to-do, hence above.
3. Who has the actual Peukert factory for there monitor? Forgot to ask Endurant when I called them. So 1.3 factory default for FLA.
4. If on a mooring do you regularly ensure full SoC is reached by using a workshop charger? No, but get 1% TC 3-4 times per year & equalise twice..
5. What percentage of Ah do you use for tail current to determine charged - finish float cycle? (I know this is sometimes a published spec - but Rod Collins deviates from this)
I reckon mine is 0.5% but set it at 1% on monitor. Not that it makes much difference as it doesn't terminate charging. Something like <0.1v drop /hr. I've ceased being obsessed with
where 100% actually is as it looks like my FLA's will last the distance even with my PSOCing them.
The calibration of the Balmar SG200 is another matter. Like, when was it acceptable to market something that only "sort of works". (For FLA's anyway)
Very interested in anyone here who has calculated actual capacity. Short of buying a expensive meter, would require a bit of setup of a light bulb, variable resister, a multi meter I think at the very least to get a ballpark figure. If I get FireFly carbon foam batteries, I will capacity test them once I've done a couple of cycles with similar.
Family has a container coming from the US later this year which would be ideal, but can't get excited about switching.
My calculations were that if you had a 180Ah bank and took out 40Ah you have gone to 77% SoC.
If you didn't realize your actual capacity was 160Ah and took out that same 40Ah you have gone to 66% SoC.
11% different which is quite a lot. Yes
As an aside.
My start battery, SLA, was on daughters fizz boat for 2yrs. Then left for 2ys to go flat and then put in as start.
Is still going strong at 8yrs. It is charged by ACR with my house bats which are 4yro.
Yeah, I know, I shouldn't be mixing types on same charging parameters. Disconnect on equalize.