Hi Allan and Jay,
I second the golf cart battery option. Trojan T-105s seem to be the
most bang for the buck. An 800 W array wouldn't stir up the
electrolyte sufficiently in an L-16. Maybe the backup generator
would. What all is she running?
Drake
At 06:40 PM 10/22/2015, you wrote:
Hi Allan,
A few questions.
how little energy? amp hrs night/avg.
and
is mx something this person does or would like to do without?
But given what you've said, I wouldn't go with wet cell industrial
as you'll never get the C rate you need. If the 8 x L-16's have
done her well ( and probably the battery box is set up for that form
factor) and with your budget I'd go with another set of L-16's
flooded or sealed if the budget/want allows.
And if the need is really quite small, I"d consider golf cart. Yea
yea,I hear all the laughs, but where I live, golf carts seem to have
the life they always have, but L-16's ( all brands) seem to have a
shorter and shorter life for reasons I don't understand.
jay
peltz power
On Oct 22, 2015, at 11:19 AM, Allan Sindelar
<<mailto:al...@sindelarsolar.com>al...@sindelarsolar.com> wrote:
I have a related question, please. One of my longtime off grid
clients is a single woman who maintains a nonprofit sanctuary for
about 30 rescue dogs, both adoptable and not adoptable (curious?
<http://www.bridgingtheworlds.org/>www.bridgingtheworlds.org). With
that many animals, Beverly seldom leaves her remote land and her
support and sustenance comes primarily from donations. Her existing
system is a 18-year-old SW4024/Solar Boost SB50, with 800W of old
array and eight L16s.
The L16s were takeouts from another job that I figured had some
life left (used for two years in another contractor's Sunny Island
GTBB system without telling the customer that he needed to add
water regularly). I gave them to her at no cost and they lasted
three years but are now dying fast.
At my suggestion she has been running a GoFundMe campaign that has
raised $2900. I have already told her that I'll do the swapout at
no charge. I told her that the choice of her next set of batteries
would depend on the money she raised: we have another 24V set of
820A/hr Rolls that I think has some life left, or we can afford 8
L16s, or with the most generous donation total I'll order a set of
HUPs and they'll last her the rest of her life (or maybe not -
she's healthy, beautiful and independent at 71 years).
So, my question: At $3,000 and 24V, what would you sell her? This
is bound to bring varied opinions, but I want to look beyond what I
would select based on price and get other Wrenches' suggestions.
I'll add that while the array is small and old, she lives well on
very little energy, and has a TriMetric and a backup generator.
Thank you for your opinions.
Allan
Allan Sindelar
<mailto:al...@sindelarsolar.com>al...@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 10/22/2015 11:50 AM,
<mailto:penobscotso...@midmaine.com>penobscotso...@midmaine.com wrote:
As with Tump, we have been using the KS series for over 20 years with
little issue. My own particular caveat is that we have now started to use
Crown as well and are finding them as rugged, easier to move (metal cases
with handles), with built in water miser caps, and a better warranty, and
with great success. I also echo Tumps sentiments with Roy at RAE. We have
been buying from him since our inception in 1988.
Daryl
The 5000 series are what we always recommend and install for my off grid
clients. 2 volt cells are the only way we go. Despite what folks believe,
we find it easier to handle the KS series then the L16.
We have been using them for many years and as with ANY manu, they have and
had issues BUT...... we feel w/ proper system sizing, education of the
client & record keeping we have yet to have an issue w/ warrantee claims.
That being said we have had a long relationship W/Jamie Surrette and his
supplier, Roy Early and his crew at RAE Battery, one of the best
suppliers in our 27+ years.
On Oct 22, 2015, at 11:15 AM, Kristopher Schmid wrote:
Hi Wrenches,
Anyone using Rolls Surrette batteries? Happy with them? Worth the
extra $$$?
Thanks for the feedback,
Kris
--
Shine On!
Kris Schmid
Legacy Solar, LLC
864 Clam Falls Trail
Frederic, WI 54837
<http://www.legacysolar.com/>www.legacysolar.com
715-653-4295
NABCEP Certified PV Installer
Licensed Wisconsin Master Electrician
BSEE
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