Battery Cycle Life Ratings [RE-wrenches]

[Jay Peltz, Peltz Power]

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HI Bruce,

What I was curious about was life spans vs battery charge levels.

I know that many people use 2.4 for bulk, but in my experience it just
doesn't work for a long battery life.

Classic example is a person who got 3 yrs from a auto genstart system with
L-16's and used 2.4 for bulk.

I set things to around 2.48-2.5 for bulk.  Uses more water, batteries last
much longer and have more power in them. ( these numbers are what I've
gotten from folks at Trojan, Interstate and others)

thanks,

jay
----- Original Message ----- 
From: "Bruce Geddes" <b.geddes at clear.net.nz>
To: <RE-wrenches at topica.com>
Sent: Thursday, November 04, 2004 6:04 PM
Subject: Re: Battery Cycle Life Ratings [RE-wrenches]


>
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> Hi Jay,
>             Voltages on flooded batteries should be calculated on a Volts
> per cell basis so the string voltage should be immaterial.  I typically
use
> 2.25 to 2.3Vpc for float, 2.4Vpc for bulk and 2.5 to 2.54Vpc for Eq.  Also
> it can be important to temperature compensate if you have a fluctuation in
> seasonal ambients.  The Eq one is important as in cold weather the temp
> compensation could take it over the high battery disconnect of the
inverter.
> If this is the case the settings may need to be lowered.
>
> Sure, at these settings the cells can use a bit of water but they don't
> sulphate and they certainly don't stratify.
>
> Bruce Geddes
> PowerOn
>
>
> ----- Original Message -----
> From: "Jay Peltz, Peltz Power" <jay at asis.com>
> To: <RE-wrenches at topica.com>
> Sent: Friday, November 05, 2004 4:29 AM
> Subject: Re: Battery Cycle Life Ratings [RE-wrenches]
>
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