Battery Life in Grid-Tie Systems [RE-wrenches]

[Darryl Thayer]

I think the electrolite stratification is still
possible so the batteries should be equalized.  Also
the different self discharge rates will leave some
cells at a deeper discharge charge than others and may
not get recharged fully, needing equalization.
--- "Carl Emerson, Free Power Ltd."
<freepower at freepower.co.nz> wrote:
> Hi there,
> 
> Following on from the original question...
> 
> I just checked a bank of Trojan L16's that have been
> in service on a 
> grid-tie installation for two years.
> 
> They have hydrocaps and have never needed watering.
> 
> I have instructed the client to disconnect the grid
> for a day every few 
> months to give the bank something to do and thereby
> extend the life of 
> the bank.
> 
> The question I have is will the bank which is 99% in
> float mode require 
> equalization as well as regular cycling ??
> 
> Your thoughts...
> 
> 
> Carl Emerson
> Free Power Ltd.
> Auckland. NZ
> 
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