Travis,
The local Interstate distributor has one too but only for a starting
battery, nothing for deep cycle or 6 volt batteries. I'll let you know
what I find out.
I realize most wrenches are grid tie installers. How many off grid
battery wrenches are on the list?
Larry
On Mar 27, 2009, at 6:19 AM, Travis Creswell wrote:
Hi Larry,
I’ve often wondered about them. My local battery
“superstore” (everything from cell phone to golf carts) had been
using them for the last few years to test automotive starter
batteries and deep cycles but the last time I was in there I noticed
they’d gone back to the old standby resistance/carbon pile style
testers. I inquired and wasn’t able to get any exacts but the
summary was they were not happy with them. I’m curious to know your
findings on both fronts.
Best,
Travis Creswell
Ozark Energy Services
www.ozarkenergyservices.com
From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org
] On Behalf Of Larry Crutcher, Starlight Solar
Sent: Thursday, March 26, 2009 7:08 PM
To: RE-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] Battery impedance analyzers
Hello Wrenches,
Is anyone using an impedance type battery analyzer for lead acid
batteries? If so, what do you have and how has it worked out. I have
seen prices from $200 to $7500 and I'm sure there is a world of
difference.
I have been using a pulser circuit I built about 4 years ago to
restore nearly dead AGM batteries but I have not had any
sophisticated method of verifying before and after performance. I
perform a constant current equalization with no voltage limit and
then leave the battery on the pulser for a few weeks. This works
great and I have restored and sold a few used AGM batteries that
would have gone to the recycler. Today our battery buyer just picked
up another 15,400 lb. of batteries from us. Yep, they were mostly
murdered! I would like to be able to restore more of them.
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