Forum Discussion
StirCrazy
Apr 15, 2021Moderator
BFL13 wrote:
Steve, IMO you are mixing up power and energy now. Based on what DrewE and FWC said here (scroll down) I think I have it right that CCA is power and how long the batt can keep cranking is to do with its energy.
("Capacity" should be its energy IMO. Not sure you should say "reserve power" either. Maybe somebody can sort that out)
https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/30219738/srt/pd/pging/1.cfm
FWC's second para relates to my previous notion too, a low power batt with lots of energy like a deep cycle.
no sir, i belive you are confused, power = work over time or the power triangle in electricity where P=IV (power = Current X Voltage)
not confusing power and energy at all, Like I said power is a amount of work over a spicific period of time or to simplify it how fast you are doing it. Energy is the total amount of work done irregardless of the time it took.
I think you not understanding a lot of the terms leads to your state of confusion resulting in the same questions being asked over and over when multiple people explain them. this is ok, we are all here to learn. for eg, you may think that because my spelling isnt the greatest that I am uneducated so I must know nothing but yet I am a stationary engineer and a mechanical engineer (well 2 courses short on the Mechanical engineering so I dont have my pinky ring.. but I am ok with that ;)
going back to your origianl CCA is nothing but a potential to do work. and having said this it is a potential at a spicifc tempature.
that is what the battery is capable of, not what it is doing. so untill you turn that key it is just a potential to do work.
Steve
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