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 > white paper on SiO2 batteries

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pianotuna

Regina, SK, Canada

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Posted: 09/03/21 08:45am Link  |  Quote  |  Print  |  Notify Moderator

Hi,

Finally found one. It compares Lead Acid, Nickel Based, Lead Crystal and Lithium Based Batteries chemistries.

https://azimuthsolar.ca/wp-content/uploa........tudy-of-comparison-of-characteristic.pdf


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, soon to have SiO2 batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

profdant139

Southern California

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Posted: 09/03/21 09:52am Link  |  Quote  |  Print  |  Notify Moderator

Thanks for locating that item and posting it!!


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noteven

Turtle Island

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Posted: 09/03/21 01:58pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks pianotuna

marpel

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Posted: 09/03/21 05:13pm Link  |  Quote  |  Print  |  Notify Moderator

Ignoring the less than professional grammar (reminds me of an item manufactured in China with a manual translated into English by someone in China), it's a pretty interesting read.

BFL13

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Posted: 09/05/21 07:41pm Link  |  Quote  |  Print  |  Notify Moderator

Not clear on how much they tested the SiO2 themselves or used reported data from somewhere else.

Interesting that they say to charge FLAs at least at 10% charging rate, but no more than about 25%. I have found that rv/marine 12s like low and slow under 10% as long as you keep doing that till they get to 16v. Otherwise it is a real chore trying to get them to full SG.

I have not been able to really use my two SiO2s in the camper since last December due to Covid, so they have just been floating except for a deep cycle test in July to make sure they were ok. They were.

I think I will move them to the MH to get a 6 batt bank for the winter and just go with a single 12 in the camper for the day-running it only does these days.

I agree with PT to wait till next year when you will have a chance to use them before spending the big bucks.

I see Azimuth still has 36 of the ones he got 50 of before Xmas, but he has jacked up the "sale" price some lately. Don't understand that! Shelf life is happening big time there! Would have thought the price would drop by now.


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3 tons

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Posted: 09/06/21 09:58am Link  |  Quote  |  Print  |  Notify Moderator

Per BFL, “I have not been able to really use my two SiO2s in the camper since last December due to Covid”.

BFL, Interesting, but AFAIK there’s not been reported a single case of LiFePO4’s getting Covid!!

3 tons

PerryB67

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Posted: 09/06/21 05:22pm Link  |  Quote  |  Print  |  Notify Moderator

I received this and a couple of other papers last winter. This is an old paper, as are the others I found, and does not include LiFePO, but it helps to dispel the arguments against SiO2.

Our Soneil 260 ah SiO2's are still running perfectly. It's amazing how fast they charge, much, much faster than our AGM's. It's still too early for me to give a wholesale recommendation though.

Enjoy,

Perry


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3 tons

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Posted: 09/07/21 03:44pm Link  |  Quote  |  Print  |  Notify Moderator

PerryB67 said, “ but it helps to dispel the arguments against SiO2.”

Maybe it’s slipped my fuzzy mind, but personally I don’t recall any *substantive arguments against SiO2, in fact, if my needs were like PT’s (say, a non-heated battery box, e.g. sub-zero temps) I too would consider SiO2 as a highly competitive choice…In the end, I’m quite sure you’ll experience no regrets with what seems a sage choice [emoticon]

*initial cost, but offset by longevity…

3 tons

PerryB67

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Posted: 09/07/21 05:38pm Link  |  Quote  |  Print  |  Notify Moderator

3 tons wrote:

PerryB67 said, “ but it helps to dispel the arguments against SiO2.”

Maybe it’s slipped my fuzzy mind, but personally I don’t recall any *substantive arguments against SiO2, in fact, if my needs were like PT’s (say, a non-heated battery box, e.g. sub-zero temps) I too would consider SiO2 as a highly competitive choice…In the end, I’m quite sure you’ll experience no regrets with what seems a sage choice [emoticon]

*initial cost, but offset by longevity…

3 tons
On another forum our choice was met by a few ridiculous arguments.

At least two insulting posts were removed by moderators and I received a couple of PM's, supporting my position, about the negative attitude shown. In the end I just left the Debbie Downers alone though.

From what I've seen so far the SiO2's were the correct choice for us.

Enjoy,

Perry

* This post was last edited 09/07/21 11:33pm by PerryB67 *   View edit history

StirCrazy

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Posted: 09/10/21 09:47am Link  |  Quote  |  Print  |  Notify Moderator

if you take the Li batteries specs right out of this comparison, I wont call it a white paper because it uses sales littiture as references in some cases. but it is a good comparison of agm, lead acid and Lead crystal. to bad they used a 20 year old Li tech in the comparison but thats the way to make the other stuff look better I guess.

Steve


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