[RE-wrenches] Battery recommendation WAS: Rolls batteries
Drake
drake.chamberlin at redwoodalliance.org
Fri Oct 23 07:31:32 PDT 2015
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:allan at sindelarsolar.com>allan at 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: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 10/22/2015 11:50 AM,
>><mailto:penobscotsolar at midmaine.com>penobscotsolar at 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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