[RE-wrenches] Battery Experience

[Ken Schaal]

We have used Deka wet and sealed, AGM and Gel, since 1999 and never had a premature failure.
I have a set of 8D AGM's  in my own system.
The local factory warehouse is responsive to our needs.

Ken Schaal
CommonWealth Solar
  ----- Original Message ----- 
  From: Larry Crutcher,Starlight Solar Power Systems 
  To: wes kennedy ; RE-wrenches 
  Sent: Wednesday, February 08, 2012 3:14 PM
  Subject: Re: [RE-wrenches] Battery Experience


  Wes,


  While I don't have experience with the Deka Unigy AGM's,  I can tell you that we are experiencing many failures of the 4D, 8D and other 6 and 12 volt Deka AGM batteries. The company will not respond to the problems so we will never sell another Deka or MK (made by Deka) AGM battery.


  Larry Crutcher
  Starlight Solar Power Systems
  (928) 342-9103




  On Feb 8, 2012, at 9:02 AM, wes kennedy wrote:


  Howdy Gents,

  I have a project (high altitude, off grid, 25 kw PV, 9 x SI5048's, multicluster) where I am considering two similar batteries.

  The Absolyte GP (GNB 100G17)  vs the Deka Unigy II (AVR95-19).  Both have similar reported Lifecycle curves, 1200-1300 cycles at 80% DOD. 

  Any field experience to share? The Deka seems better on paper, larger AH capacity per dollar quoted from my distributor. 


  Thanks!

  -Wes Kennedy
  Solar Geek since 1996
  303-653-3073







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