Thursday, September 6, 2012

Re: [Electric Boats] battery cost comparison - now long term cost too.

 

The important question would not be has anyone cycled their lithium packs 2000 times, but has anyone killed their AGM pack with 500 cycles?  

It really does not matter if the lithium cell have twice as many cycles or four time as mean cycles.   As Lithium is only  a third more expensive for the same useful power, if you have to replace your AGM pack once the Lithium would have been a better financial deal.  If on the other hand you never have to replace the AGM pack it was a better deal.  

Asking the right question will get us the right answer.   So has anyone killed their AGM pack in a boat?   
In a car the answer is obvious AGM banks will generally only last three years so Lithium is always the better financial option.  In sail boats I would guess AGM may be a "good" option as 500 cycles will be rare for one owner.  For power boats time will tell.   


On Sep 6, 2012, at 5:13 PM, GNHBus@aol.com wrote:

 

To Eric's point, 


Has anyone cycled any form of Lith Batts to 2000 cycles ?

Geo


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