[RE-wrenches] Battery recommendation WAS: Rolls batteries
jay
jay.peltz at gmail.com
Thu Oct 22 15:40:25 PDT 2015
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 <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? www.bridgingtheworlds.org <http://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 <mailto: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, penobscotsolar at midmaine.com <mailto: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
>>>> www.legacysolar.com <http://www.legacysolar.com/>
>>>> 715-653-4295
>>>> NABCEP Certified PV Installer
>>>> Licensed Wisconsin Master Electrician
>>>> BSEE
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