Beginners Guide to Processing 18650 Cells | Cell Database


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The 1.21GW Powerwall
#1
Hello everyone,

I have been doing a lot of reading, watching, and learning over the last month, and I am starting down my paths.   

Here are the goals I am trying to reach...

By the end of my life I want to be able to store 1.21 GW, so a can go Back to the Future!

To get there I am going to need to break it up into a few milestones.
  • Be able to charge my Chevy Volt at 120V @12a (1.4kw) with a total output of ~ 12kwh
  • Be able to charge my Chevy Volt at 240v @14a (3.3kw) with a total output of ~ 12kwh
  • Be able to charge my car, and run my server farm 120v @ 5a 
  • Be able to recharge my PowerWall via solar
  • Be able to run my house off battery for 1 month ~ 2,000kwh
I plan on trying to stay with SMA Sunny Islands for my inverters and charge controlers as I want to make sure, that my inverters are able to hand spikes that comes from the AC unit, Electric Dryer, and Furnace. 

So far I am the very beginning stages,  Here is what I have so far,
  • ~500 cells from HP, and Dell Laptop packs,  (Most of them still in there plastic shells)
  • SMA 40 Amp Charge Controller
  • 4 18650 Chargers so I can work with 16 Batteries at a time. 
  • Battery Spot Welder
  • Cables, XT-90 Connectors, 1a glass fuses (on there way from china)
  • Batrium Battery BMS - 14s with 375a shunt 
  • Raspberry pi3 (for Graphana, and other things)
  • 2x Arduinos (I was going to build my own bms, then I found Batrium, so I will do something with them)
  • A local supplier that will sell me used but still working laptop packs for $3 each.   So far most of the batteries have testing ~2,200ma -2,000ma 
Questions:
  • Do you think I should start my own Youtube channel for documenting my project, as there are already so many good people out there like Peter, and Average Joe and so on...
Cell Tracking Website: Under Construction - trackmycells.com
Battery Status: Collecting Cells
Bms: Batrium 14s
Battery Charger Controller: SMA Charge Controler SIC-40
Inverter: Pending (SMA Sunny Island 6048-US-10)
Solar Panels: Soon™
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#2
(09-28-2017, 02:24 PM)Chris Davis Wrote: Hello everyone,

I have been doing a lot of reading, watching, and learning over the last month, and I am starting down my paths.   

Here are the goals I am trying to reach...

By the end of my life I want to be able to store 1.21 GW, so a can go Back to the Future!

To get there I am going to need to break it up into a few milestones.
  • Be able to charge my Chevy Volt at 120V @12a with a total output of ~ 12kwh
  • Be able to charge my Chevy Volt at 240v @30a with a total output of ~ 12kwh
  • Be able to charge my car, and run my server farm 120v @ 5a 
  • Be able to recharge my PowerWall via solar
  • Be able to run my house off battery for 1 month ~ 2,000kwh
I plan on trying to stay with SMA Sunny Islands for my inverters and charge controlers as I want to make sure, that my inverters are able to hand spikes that comes from the AC unit, Electric Dryer, and Furnace. 

So far I am the very beginning stages,  Here is what I have so far,
  • ~500 cells from HP, and Dell Laptop packs,  (Most of them still in there plastic shells)
  • SMA 40 Amp Charge Controller
  • 4 18650 Chargers so I can work with 16 Batteries at a time. 
  • Battery Spot Welder
  • Cables, XT-90 Connectors, 1a glass fuses (on there way from china)
  • Batrium Battery BMS - 14s with 375a shunt 
  • Raspberry pi3 (for Graphana, and other things)
  • 2x Arduinos (I was going to build my own bms, then I found Batrium, so I will do something with them)
  • A local supplier that will sell me used but still working laptop packs for $3 each.   So far most of the batteries have testing ~2,200ma -2,000ma 
Questions:
  • Do you think I should start my own Youtube channel for documenting my project, as there are already so many good people out there like Peter, and Average Joe and so on...
Definitely start your own channel and get monies from it.
Korishan likes this post
Cell progress: 2016/10/17:
180cells@2.0
600cells@2.1-2.6a
70cells@2.7a+

Projects:
Mobile PowerBox
8Kw Powerwall
Insight Parallel PowerPak
1Kw PowerBlade
PowerRack (concept)
12v LED Sconce
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#3
Soldering tends to be recommended rather than spot welding due to the ease of it.
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#4
Does it matter whether we think you should start your own YT channel or not? Smile Go ahead if you like!

Have you realized that you need more than 163 million cells at 2000mAh to store 1.21gWh using todays technology? I wish you a very long and healthy life, lots of space and hopefully one or two major breakthroughs in cell technology Big Grin
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#5
(09-28-2017, 02:48 PM)zag2me Wrote: Soldering tends to be recommended rather than spot welding due to the ease of it.

Yea, I have done a lot of soldering in my rc car days....  so I thought it would be good to pick up a new skill.   I like the way it looks when the fuses are spot welded, so I will give it a shot.  If it doesn't work out, then I learned something new.

(09-28-2017, 02:49 PM)DarkRaven Wrote: Does it matter whether we think you should start your own YT channel or not? Smile Go ahead if you like!

Have you realized that you need more than 163 million cells at 2000mAh to store 1.21gWh using todays technology? I wish you a very long and healthy life, lots of space and hopefully one or two major breakthroughs in cell technology Big Grin

Yea, I know it is a big number, but why not go big.   When I retire, I want to be a solar farmer, on 100 acres so I will need somewhere for all that power to go... maybe I will become the first commercial 18650 power plant Smile Dream Big!
Cell Tracking Website: Under Construction - trackmycells.com
Battery Status: Collecting Cells
Bms: Batrium 14s
Battery Charger Controller: SMA Charge Controler SIC-40
Inverter: Pending (SMA Sunny Island 6048-US-10)
Solar Panels: Soon™
Reply
#6
Quote:maybe I will become the first commercial 18650 power plant Smile Dream Big!

Awesome! As long as you don't live in Florida Tongue And certain other states, too.

But that'd be awesome if you could end up bein a power source for a few neighbors. Even if you were just a backup source for them.
Proceed with caution. Knowledge is Power! Literally! Cool 
Knowledge is Power; Absolute Knowledge is Absolutely Shocking!
Dollar Shave Club. Best Razor I've ever used
Certified 18650 Cell Reclamation Technician
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#7
With that amount of energy he could be the backup for one of our nuclear powerplants we have in Germany for 1-2 hours Smile
Bert, Chris Davis, Korishan like this post
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#8
Stop reading and do it.. you need 10k views to monitise so start today!
Affiliated links below support forum & YouTube projects.
One click on any (or all) and I'll typically make 4% of the
value of the sale without costing you anything but a mouse click. 
Thanks for your support ! 
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#9
I wouldn't mind having another youtube channel about 18650 to follow. When I'm done tinkering myself I love watching other people tinker with batteries!
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#10
Chris. THAT WOULD BE MASSIVE Big Grin

I would love that kind of battery bank Big Grin
Follow me! >> YouTube / Forum system setup / My webpage  Diy Tech & Repairs

Current: 10kW Mpp Hybrid | 4kW PIP4048 | 2x PCM60x | 83kWh LiFePo4 | 10kWh 14s 18650 |  66*260W Poly
Upcomming: 14S 18650~30kWh | Automatic trip breakers, and alot more
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