Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
My 15kWh Powerwall
  • hundreds of laptop batteries
  • 42 packs a 48 cells to a total of 2016 cells, 14 packs in a row, 3 parallel (14s3p configuration) for 51.8V
  • 50m copper busbar (10x1mm)
  • 7m copper connector bar (10x5mm)
  • 4032 cell holders for 18650
  • 30m fuse wire (0.2mm), 30m copper wire (0.6mm)
  • ~1kg solder
  • lot's of time...

Pack of 48 cells:
[Image: attachment.php?aid=35]


Full installation with SMA Sunny Island 3.0H battery inverter and REC BMS:
kazbach, mike, hbpowerwall And 2 others like this post

Attached Files Thumbnail(s)
Nice powerwall.
Do you have a youtube channel or a website where i can go for more info or pictures?

Looking good buddy ..
If you'd like to support the forum please feel free to use my affiliate links to purchase all kinds of stuff for your projects 
Amazon -
eBay - 
Aliexpress -
Banggood -
Battery Hookup - 
That looks awesome
I like the shelf style.
Nicely done :_)
I love your set up! It's so neatly organized and clean!
WOW, great work there! Its Christmas colored!

Thanks for posting the specs. 

How long did it take you to go from collecting, to up and running?

How long have you been up and running, and did you have any unforeseen problems you had to work through?


Come chat with us!
Hi, can you give more details on the Sunny Island <-> REC BMS interaction, does t work perfectly? what kind of problems/difficulties have you found along the way?
I'de appreciate any kind of info, since I'm considering this setup for my powerwall.

Who read this thread?
100 User(s) read this thread:
hbpowerwall, Chickey, daromer, Minatugar, mike, goodnowm, BigBen, RobPethybridge, Joaquinsfy, NiVa, askmike72, owitte, opus40, VdVoort4, Bassiexp, Nathan, Elwood, riveracc1, coolfx, BatteryDIY, Korishan, P.Tasyo Powerwall, PAF, Prahe86, APD, Alexander, theDIYHobbyist, Yves, Zensay, Darmok, Elmo, Project, Felineman, Frnandu Martiński, Alec_J, jdeadman, 2146, wim, hugo5464, wimpie007, Joe Farrugia, frnandu, melsom, josearaujo10, typ49, VicRC, The-J-Man, Tommy Ng, Robert Baumer, 1958 greyhound, kktuo, Tobbe O Kompani, Ragulin83, Em Em Silverghost, kaits31, fprumbau, watts-on, jesusangel, João Luis Martins, Steven Edelman, Daggerzz, Tony, Hanssing, IronSky, DrkHrs13, Taz D'vil, kot, mitchvr, Arie Bal, quake101, ismaildoganw, kazbach, michael40324, ltdorn, Stefaan De Ridder, fin020, Aidy, Igor Maliszewski, Chiptosser, Chicken, systemtm, Piotr Dziel, brafi, pruesel, Stew Mohr, nokia6110nav, Daveyboy, al4sound, paraskevas, ivnz, nokiasixteth, mike98, SWEwall, WildCard_25, jamesk9, Olberg, AlexCPU, abhijithym, Rahtid27, Gerard Achternaam

Forum Jump:

Users browsing this thread: 2 Guest(s)