[RE-wrenches] Battery Watt hours FLA VS Iron Edison Batteries

Dana dana at solarwork.com
Fri Oct 14 14:36:10 PDT 2016


I recommend 4 days backup min & 5 days backup if budget allows of storage and Iron Edison were saying that 2 days was sufficient. To clarify - I said “magical” as in wondering if there was something special, I-E did not say this.
 
__________________________________________________________
Dana Orzel 
Great Solar Works, Inc -  NABCEP # 051112-136
 <mailto:dana at solarwork.com> dana at solarwork.com  -  <http://www.solarwork.com> www.solarwork.biz 
O - 970.626.5253    F - 970.626.4140   c - 208.721.7003
"Responsible Technologies for Responsible People since 1988"  
 
From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Dan Fink
Sent: Friday, October 14, 2016 12:04 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Battery Watt hours FLA VS Iron Edison Batteries
 
Tom; I have never seen Iron Edison saying NiFe is "magical" -- do you have a specific webpage on their site that says this?
All batteries have advantages and disadvantages, and also myriad technical issues for the installer to overcome. 
 


Dan Fink
Adjunct Professor of Solar Energy Technology, Ecotech Institute
IREC Certified Instructor™ for: 
~ PV Installation Professional
~ Small Wind Installer
Executive Director, Buckville Energy
NABCEP Registered Continuing Education Providers™
 <tel:970.672.4342> 970.672.4342

 
 
On Fri, Oct 14, 2016 at 10:14 AM, Tom Duffy <Tom at solar-biz.com> wrote:
Hi Dana
 
Two thoughts… how many days of autonomy are they quoting?
 
If nickel Iron were this magical how come nobody has noticed them for the past 100 years?
 
Kind regards
 
Tom Duffy
Senior Solar Design Engineer
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From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Dana
Sent: Friday, October 14, 2016 8:56 AM
To: 'RE-wrenches' <re-wrenches at lists.re-wrenches.org>
Subject: [RE-wrenches] Battery Watt hours FLA VS Iron Edison Batteries
 
Good Morning All,
 
I have a charity case client that needs 760 to 900 AHR at 24 VDC. I have installed HUP Solar One Batteries for 20+ years and do not have any experience with the Iron Edison battery. My client went to Iron Edison & was told that 360 AHR at 24 VDC would cover the same AHR as a 760 to 900 AHR in FLA.  I understand you can use the IE deeper typically than a FLA.
 
Math is math to me & how I have sized [successfully for years] Is there something I am missing or has my client been misinformed? 
 
__________________________________________________________
Dana Orzel 
Great Solar Works, Inc -  NABCEP # 051112-136
 <mailto:dana at solarwork.com> dana at solarwork.com  -  <http://www.solarwork.com> www.solarwork.biz 
O - 970.626.5253    F - 970.626.4140   c - 208.721.7003
"Responsible Technologies for Responsible People since 1988"  
 

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