$100 per kilowatt Lifepo4 deal

Power4life · Nov 8, 2019

I wish I had the funds to get this 4 to 4.5 kw setup but I figured you all would be interested in this crazy good deal. Get it while you can. $100 per kw. https://batteryhookup.com/collections/frontpage/products/byd-24v-lifepo4-4-4-5-kwh-battery-modules-rv-powerwall

Bluemalibu · Nov 8, 2019

Their $350 shipping charge is just a might steep... !!

Power4life · Nov 8, 2019

Bluemalibu said:
Their $350 shipping charge is just a might steep... !!

If I had the $ money right now I'd road trip it. Still a deal even if shipped. Cheaper than my 1.5 kw lifepo4 setup

Supervstech · Nov 8, 2019

I'm getting 3... wow that's awesome!
Anybody in NC wanna get some? Free shipping over first battery.

Power4life · Nov 8, 2019

Supervstech said:
I'm getting 3... wow that's awesome!
Anybody in NC wanna get some? Free shipping over first battery.

Please post to this thread when you get it up and running. Would love to know the details. David Poz is where I first discovered this deal. Cant wait to see how he implements it into his system.

Will Prowse · Nov 8, 2019

I am friends with battery hook up and if you use the coupon code "SOLAR" (yes in all caps), it will take off 10%. Try it out

Bluemalibu · Nov 8, 2019

Power4life said:
If I had the $ money right now I'd road trip it. Still a deal even if shipped. Cheaper than my 1.5 kw lifepo4 setup

No argument there... they are still cheap enough to order three myself.

...And thanks for the discount code, @Will Prowse ! What do you suggest for BMS for these?

This will bump me to just over 23 kWh... I should be good to go for a while.

Steve_S · Nov 8, 2019

I'd be terrified to see what they would charge to ship it to Canada and whether or not it would even get across the border. Darn Shame.

Bluemalibu · Nov 8, 2019

Holy Moly, these things are going quick! David Poz mentioned that he didn't see many there when he purchased his 12. We in this string account for an additional six so far, and 30 others are claimed to have been purchased in David's thread.

Power4life · Nov 8, 2019

Bluemalibu said:
Holy Moly, these things are going quick! David Poz mentioned that he didn't see many there when he purchased his 12. We in this string account for an additional six so far, and 30 others are claimed to have been purchased in David's thread.

Yeah I just went on vacation and kinda wish I hadnt... otherwise I'd be driving there now to snag one.

Russ · Nov 8, 2019

I saw that and they are sold out a while ago

Supervstech · Nov 8, 2019

Yup. Gone by the time I got home... ah shoot...

The_Confused · Nov 9, 2019

Hopefully all these used commercial ess products are a sign of things to come. I can't buy anything for a few more months so I'm hoping some similar things pop up for when I start building my house...

Steve_S · Nov 9, 2019

The whole recycle / upcycle sector is boogying along at an increasing pace. New facilities for recovery, testing & redistribution are coming online (many in Europe & Asia) and now also stepping up in North America. Considering what appears to be mostly 2-5 year old products showing up (Valence Batteries, the Samsung ESS packs and all the others) from various commercial, industrial areas it shows... So 1st & 2nd generation products are in the stream now and that will only increase. Several companies like SDK in France recover & upcycle their cells and partnered to others to do so... good times coming for sure.

simple2010 · Nov 9, 2019

They are back in stock

israndy · Nov 10, 2019

If you are on the West Coast and looking for a similar size battery, EVWest has the 3.3kWh Samsung packs for under $500, if you take the road trip into consideration so you are not paying shipping that makes them cheaper than driving to PA from SF or LA. Now we just need some kind of smart grid-tie inverter to turn them into a real powerwall

samsung-sdi-ess-energy-storage-battery-16s-60-volt-used-13-2-kwh-rack-mount-mega-3-3-four-pack.jpg

Supervstech · Nov 10, 2019

israndy said:
If you are on the West Coast and looking for a similar size battery, EVWest has the 3.3kWh Samsung packs for under $500, if you take the road trip into consideration so you are not paying shipping that makes them cheaper than driving to PA from SF or LA. Now we just need some kind of smart grid-tie inverter to turn them into a real powerwall

Yeah, but they are lithium ion... not lithium iron...

Piett · Nov 11, 2019

Would one or more of these work well with the MPP all in one units (AIO)? From my understanding I would need to add an 8s 200A BMS. How would I add in temp protection to prevent charging at 32F with an AIO?

joe311 · Nov 12, 2019

Lithium Iron?
Edit: Oh weight joke, I see

Supervstech · Nov 12, 2019

joe311 said:
Lithium Iron?
Edit: Oh weight joke, I see

LiFePO4 is Lithium,IronPhosphate.
Lithium ion is a cobalt flammable higher voltage cell...

Supervstech · Nov 12, 2019

Piett said:
Would one or more of these work well with the MPP all in one units (AIO)? From my understanding I would need to add an 8s 200A BMS. How would I add in temp protection to prevent charging at 32F with an AIO?

Define "these"
Jehu's batteries are a higher voltage. So, if the mpp can handle 60v or 28v if you wire them that way, then they can work.

Piett · Nov 13, 2019

Supervstech said:
Define "these"
Jehu's batteries are a higher voltage. So, if the mpp can handle 60v or 28v if you wire them that way, then they can work.

By "these" I was referring to the BYD 24V used batteries from batteryhookup that started this thread.

The MPP 2424LV-MSD charges at 80A on solar. Will's DIY page on All-in-one systems says that the 2424LV-MSD is suitable for "100-400+ amp hours of 24v". Since each BYD is about 187Ah that says to me that two BYD in parallel should be good to go.

What is the limitation if you added over 400Ah to the 2424LV-MSD, is it simply the inability to connect enough solar to charge the batteries fully in a day?

Supervstech · Nov 14, 2019

Shouldnt be a limitation.
But the mpp cant use it all, unless you had no sun for over a week.

Piett · Nov 15, 2019

Supervstech said:
Shouldnt be a limitation.
But the mpp cant use it all, unless you had no sun for over a week.

I think what you are saying is that the 2424LV-MSD doesn’t have enough 120V inverter output to really utilize the kWh capacity from 400Ah of connected battery storage. True or am I misinterpreting?

In the BYD battery case 2 are ~9kWh of capacity. 9/2.4=3.75hr of runtime. Even at a 1.2kW that is 7.5hr which is about one night of runtime.

Supervstech · Nov 15, 2019

The more battery you have, the less it will drain down, and the longer you will have available power reserves during inclement weather. But a 2000 watt inverter can use 48000Wh of energy per day...
so a 400Ah bank has a maximum 9600Wh.
800Ah would be 19200
1600Ah would be closer to the maximum usage of the inverter...
you would have to exceed 3200Ah before there would be No way to deplete the bank in 24 hours...
however, an 80 amp charger will take quite a while to replenish 76000Wh

So, it depends on how much solar you have. What are the specs of the MPPT of the inverter?

$100 per kilowatt Lifepo4 deal

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