[RE-wrenches] Larger batteries

Tue Dec 15 10:32:50 PST 2015

Ditto here too.

98% of my clients use the HUP and its bomber I have a client that is over
20+ years at this point. With regular EQ as required by SG readings, Battery
bar maintenance, watering, & testing they just keep going. I have a 14 year
old set I pulled out of a clients house during an upgrade to a much larger
system and they are doing exceedingly well in float mode in grid tie. I EQ
once a year for grins but SG readings have not indicated it was required.

Sets I installed in Washington 21+ years ago are doing well from reports
there too. If you look at the specs on 50%DOD & 80% DOD I have not seen any
other manu with a comparable spec. www.hupsolarone.com  check it out.

I went to larger batteries 26 years ago & HUP when NWES made them available.
Less cells to water, less connections to address issues with, less cables to
crimp & protect from acid, & almost 0 battery bank change out once in to
HUP. I have replaced a few large Rolls with HUPs & problems went away.

The down side is handling. I now own a 3 ton - single axel trailer with an
overhead I-beam that extends off the back with jacks on the rear to
stabilize and a 1.5 ton set of chain falls to deliver & set. Once it hits
the ground we use a safe mover (rated at 1985# each) to roll into place.

The cells do come out but jeez what a back ache.

What will I install when I go off grid here in the next year? That's still
to be determined but its either going to be HUP or possibly Aquion... Just
not sure the price difference will be worth it.  I know the HUP as an
installer and a home owner and I have total faith in them as the best FLA
battery currently available.

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Dana Orzel 

Great Solar Works, Inc -  NABCEP # 051112-136

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From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
Behalf Of Allan Sindelar
Sent: Tuesday, December 15, 2015 10:37 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Surrette L-16 battereis

Drake,
Your request is missing specifics so my answer can only be generic. Get away
from all L16s. Go to one string of industrial cells. There are numerous
well-respected brands. I would put HUPs at about the top.
www.hupsolarone.com. Spend some time on this website and it will become more
clear.
Allan

Allan Sindelar
 <mailto:allan at sindelarsolar.com> allan at sindelarsolar.com
NABCEP Certified PV Installation Professional
NABCEP Certified Technical Sales Professional
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive Energy, Inc.
505 780-2738 cell

On 12/15/2015 9:07 AM, Drake wrote:

Hello Wrenches,

Even after my clients have learned to maintain their batteries properly, the
Trojan L-16 batteries continue to crater, one cell at a time. One client is
considering spending $12,000 on a nickel - iron battery bank he found on the
web. This seems like a ridiculously large investment, but he is feeling
desperate. We urgently need another option from the Trojan L-16s.

How are the Surrette L-16s holding up? Would you recommend them as worth the
extra investment?  

What is the best battery to use in an off grid system these days. 

Thanks,

Drake 

Drake Chamberlin
Athens Electric LLC
OH License 44810
CO License 3773
NABCEP Certified Solar PV 
740-448-7328
 <http://athens-electric.com/> http://athens-electric.com/ 

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