Battery Cycle Life Ratings [RE-wrenches]

Ray Walters ray at solarray.com
Mon Nov 1 16:28:28 PST 2004


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Hi Phil;

Did you mean L16 HC down below?

>Regarding the HC T105s, Trojan got the higher capacity by using hotter
>acid--which directly correlates to shorter lifespan.
>
>I replaced them with a set of S-530 high capacity L16-style Surrettes.  In
>this case, I went with the high-cap batteries because Surrette gets
>additional capacity by adding two additional plates (17 vs 15, 127 pounds vs
>117).  I longed for a set of the industrial cell Surrettes, but I didn't win
>the lottery, I only got a new job.
>
>I'll work on getting some emperical third party data for you, Ray.
>
>Phil Undercuffler ext.238

Thanks Phil. How are the S-530s doing? Do they need to be charged as hard 
as other L16s to get the capacity? Are they really 530 AH at the 100 hour 
rate? That, along with the 2000 cycles at 80%DOD for the series 5000 was 
sounding too good to be true (my BS radar was beeping). I noticed the cycle 
life for the series 4000 (your 530s) was comparable to Trojans L16 cycle 
life, so maybe Surrette is being straight. If all their numbers are 
straight, the 5000 series (at Dankoff's price) would be one of the better buys.

Ray 

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