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Old 08-05-2018, 01:49 PM   #1
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lithium iron batteries?

who has tried them, what's your experience? I'm looking at you JD! and anyone else

the price is coming down and if its a 100% DOD, its probably cheaper than agm.
i just got a quote off Alibaba for 200AH for $1200 delivered.

shipping is almost the same as the battery

https://www.alibaba.com/product-deta...22213e5fnRfTCs
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Old 08-05-2018, 02:07 PM   #2
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Cordless iron?
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Old 08-05-2018, 03:37 PM   #3
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My son just got his finished about a month ago. He has 16 160AH in series parallel. He has about 300AH usable. First time out he ran his roof shaker AC all night and didn't use half of his usable AH.
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Old 08-05-2018, 04:10 PM   #4
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"16 160AH in series parallel. He has about 300AH usable."


16 x 160 = 2560 amp hours total
X 50 % discharge = 1280 usable AH
8 hours of AC usage at 60 AH per hour =480 AH from a 1280 AH supply OK
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Old 08-05-2018, 04:11 PM   #5
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Hey the dog ate my line

That sounds reasonable
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Old 08-05-2018, 05:01 PM   #6
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Quote:
Originally Posted by Rivetboy View Post
"16 160AH in series parallel. He has about 300AH usable."


16 x 160 = 2560 amp hours total
X 50 % discharge = 1280 usable AH
8 hours of AC usage at 60 AH per hour =480 AH from a 1280 AH supply OK
2560 A/H would be if all of the batteries were in series.

SomewhereintheUSA indicates "16 160AH in series parallel. He has about 300AH usable."

I am guessing that he has them connected 2s4p. That would yield a 640 A/H bank with 320 A/H usable assuming 50% DOD.
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Old 08-05-2018, 05:01 PM   #7
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Quote:
16 x 160 = 2560 amp hours total
Except that it don't work that way. Anything you connect in series the AH stays the same. Batteries hooked in parallel add the AH, voltage stays the same.
2x 1.5 volt 160AH batteries in series = 3 volt 160AH
2x 1.5 volt 160AH batteries in parallel = 1.5 volt 320 AH

The 300 figure is what he told me, I believe he is running 24 volt as that is what his coach is.
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Old 08-05-2018, 05:56 PM   #8
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how big was his battery bank before the change if its 300AH @24v useable now?
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Old 08-05-2018, 06:05 PM   #9
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Except that it don't work that way. Anything you connect in series the AH stays the same. Batteries hooked in parallel add the AH, voltage stays the same.
2x 1.5 volt 160AH batteries in series = 3 volt 160AH
2x 1.5 volt 160AH batteries in parallel = 1.5 volt 320 AH

The 300 figure is what he told me, I believe he is running 24 volt as that is what his coach is.
Your math is correct. For a meaningful comparison, battery capacity of a system should be expressed in kWh (Volt x Ah /1000). kWh is what you are buying from the power company regardless of whether your consuming appliances are 110 Volt or 220.
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Old 08-05-2018, 06:13 PM   #10
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[QUOTE=turf;284811]who has tried them, what's your experience? I'm looking at you JD! and anyone else

the price is coming down and if its a 100% DOD, its probably cheaper than agm.
i just got a quote off Alibaba for 200AH for $1200 delivered.

shipping is almost the same as the battery


The spec that it gives says : Standard Continuous Discharge Current 80A
Max. Continuous Discharge Current (<30min) 100A
so that is going to be some pricy amp hours.
How many batterys for the $1200 quote?
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