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obiwancanoli

Napa

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Posted: 09/19/20 10:15am Link  |  Quote  |  Print  |  Notify Moderator

In my research to learn more about Lithium batteries, and replacing the flooded 6V's in my rig, I just discovered Battle Born Lithium Batteries (Reno, NV) will soon be introducing a 250Ah battery, due sometime later Fall, or early Winter... no pricing yet...

2oldman

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Posted: 09/19/20 10:50am Link  |  Quote  |  Print  |  Notify Moderator

Hard to find anything about that.. link?

Lwiddis

near Jawbone Canyon, CA

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Posted: 09/19/20 11:02am Link  |  Quote  |  Print  |  Notify Moderator

Hopefully it’s dimensions will fit my TT tongue. 250 AHs with 200 + or - usable is more than enough for our needs


Winnebago 2101DS TT & 2020 Chevy Silverado 1500 LTZ Z71, 300 watts solar-parallel & MPPT, Trojan T-125s. TALL pole for flags. Prefer USFS, COE, BLM, NPS, TVA, USF&WS, state & county camps. Bicyclist! 14 year Army vet - 11B40 then 11A - (MOS 1542 & 1560)


lryrob9301

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Posted: 09/19/20 01:36pm Link  |  Quote  |  Print  |  Notify Moderator

Well if their 250AH is priced anything like their 100AH it will be around $1250 to $1500 per battery. I can sure buy a lot of lead acid batteries for what a couple or three of the lithium will cost. You would have to be a hard core boondocker for them to pay for themselves.


2013 Tiffin Phaeton 40QBH
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2oldman

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Posted: 09/19/20 01:41pm Link  |  Quote  |  Print  |  Notify Moderator

lryrob9301 wrote:

You would have to be a hard core boondocker for them to pay for themselves.
It's not always about money.

theoldwizard1

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Posted: 09/19/20 01:46pm Link  |  Quote  |  Print  |  Notify Moderator

Companies in China have been producing 200Ah and 280AH LiFePo4 cells for some time now. I don't know the exact physical size, but they are "similar" to the 100Ah cells.

If you are a DIY person, the pricing is actually very reasonable evevn when you add in the BMS.

bob_nestor

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Posted: 09/19/20 02:11pm Link  |  Quote  |  Print  |  Notify Moderator

lryrob9301 wrote:

Well if their 250AH is priced anything like their 100AH it will be around $1250 to $1500 per battery. I can sure buy a lot of lead acid batteries for what a couple or three of the lithium will cost. You would have to be a hard core boondocker for them to pay for themselves.


It's all about life-cycle cost. When you factor in the life span of the Lithium-Ion vs the lead acid the cost comes out almost the same. (Also helps to factor in the power available for use - generally a smaller Ah Lithium-Ion will give the same usable power as a higher Ah lead acid.) However, if you not keeping your RV long enough to amortize the cost of the Lithium-Ion it becomes a moot point.

2oldman

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Posted: 09/19/20 02:45pm Link  |  Quote  |  Print  |  Notify Moderator

bob_nestor wrote:

When you factor in the life span of the Lithium-Ion vs the lead acid the cost comes out almost the same.
Minus all the maintenance and the weight and replacing them.

Gdetrailer

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Posted: 09/19/20 03:04pm Link  |  Quote  |  Print  |  Notify Moderator

2oldman wrote:

bob_nestor wrote:

When you factor in the life span of the Lithium-Ion vs the lead acid the cost comes out almost the same.
Minus all the maintenance and the weight and replacing them.


Nothing like believing smoke and mirrors..

Maintenance?

Once a year I simply add a few ounces of water per cell to my GC2s..

Never had to clean the terminals, you can EAT OFF THEM RIGHT NOW.

If you are cleaning terminals often the SEAL between the terminals and battery case have been damaged or you are BOILING your batteries to death (bad converter). My first set of GC2s I never once removed the terminals to clean and they were as bright as the day I had installed the batteries when I replaced them.

Life?

My first set of GC2s were 9 yrs when I replaced them, they were still doing OK and could have gotten a few yrs more out of them. The only reason I replaced is I use them heavily when traveling since they support my home fridge conversion and didn't want my fridge to run out of power while traveling.

Cost?

$80 each for $160 and 9 yrs of use..

For me to spend $1500 and only get at best 10 yrs out of Lith batteries pretty much describes insanity. The "jury" is out on just how long Lith batteries really last. From my experience with commercial products that used Lith batteries is don't hold your breath, some only lasted a couple of yrs..

I will pocket the money I didn't spend on Lith batteries for OTHER much more fun things.

* This post was edited 09/19/20 03:16pm by an administrator/moderator *

pianotuna

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Posted: 09/19/20 07:20pm Link  |  Quote  |  Print  |  Notify Moderator

216 amp-hours SiO2 $999 usd. 4D

https://azimuthsolarproducts.com/product/12v-216ah-sio2-battery/

They have a 270 amp-hour unit as well.8D

* This post was edited 09/19/20 07:43pm by pianotuna *


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

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