Homebrew Tesla Powerwall Clone
A project in Colorado Springs, CO by Kelly Hohnholz000days
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00hours
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Funding Successful
A do-it yourself Powerwall type battery system for your home using simple & parts with a battery from a wrecked hybrid/EV car.
Backers: 367
Average Pledge Per Backer: $24
Funded: $8,759 of $2,000
Dates: Apr 1st -> May 31st (60 days)
Project By: Kelly Hohnholz
Backers: 367
Average Pledge Per Backer: $24
Funded: $8,759 of $2,000
Dates: Apr 1st -> May 31st (60 days)
Project By: Kelly Hohnholz
$8,759
current pledge level
Last Updated: May 31 @ 18:08 -0400 GMT
437%
of goal
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Latest News
And That's A Wrap Folks! 
May 28th - via: kickstarter.com
Now witness the firepower of this fully ARMED and OPERATIONAL battle station! That's all eight modules (14.2kWh) converted and once you get a rhythm going, it takes 20-30 minutes per module to completely convert. Notice some important things in this... (Read More)
Wait? Another update?
May 27th - via: kickstarter.com
A mentor of mine said many years ago: "Life is a complex series of simple tasks." The Powerwall project is nothing different in that regard, its a simple series of bolts and screws to take it down, and a series of connectors and wire to bring it all... (Read More)
What are we going to do tonight Brain?
May 26th - via: kickstarter.com
So the first battery got picked up today, a 7.2kWh pack from 2013 Ford C-Max Energi Plug-In. The salvage yard's small fork lift was broken, so they had to try and pick it up with a giant front end loader. After a set of near heart attacks, we... (Read More)
How much power?
May 25th - via: kickstarter.com
Well, I mean, considering the eventual heat death of the universe and all. But I won't be around for that sequel, so whatever. Don't mind me, I'm just chilling in the living room, charging my phone. In other news, I found out that something... (Read More)
Quick Survey For The Next Guide (Under 1 min)
May 24th - via: kickstarter.com
So one of my best friends Ken (also a backer) strong armed me into considering what I'm going to write about next. Man, I'm not even finished with the FIRST guide yet. LOL Anyhow, I set up a short poll (less than 1 minute) to ask what the crowds... (Read More)
No One Plans To Fail.....
May 23rd - via: kickstarter.com
But plenty of people fail to plan. There's an old special operations saying that goes: "Plan your walk, then walk your plan.", and this is the stage where most home/diy projects fail, people stumbling into it, eyes wide shut. So today, I've been... (Read More)
Well, that escalated quickly...
May 22nd - via: kickstarter.com
So got off the phone this morning, two batteries for conversion are in-bound. One is from a local source and the other is coming in from California. I was able to find both of them for a GREAT price using methods that are going to be in the guide.... (Read More)
New Writing, New Opportunities!
May 21st - via: kickstarter.com
So I've been busy today working on the backside of the project. My long term plan is to continuously update the guide with new batteries and new techniques. My commitment is this: All of the original backers from day 1 to day 60 will enjoy free... (Read More)
What's In Your Wall....et?
May 20th - via: kickstarter.com
As I sort through the choosing your battery section, one of the things you're going to have to decide on is what you want your PowerWall clone to power in down time. To do this, you first have to figure out how much power that device uses,... (Read More)
A Giveaway For Backers! PLUS: Beware of Hidden Costs.
May 19th - via: kickstarter.com
Fun Stuff First! As a way of saying thank you to the backers, I've decided to hold a little giveaway as we get closer to the end of the campaign. I've got a couple of new, old stock military foldable solar panels and I'm going to give one of them... (Read More)
"Attention to detail can't be (and never is) added later." - Marco Arment
May 16th - via: kickstarter.com
As you get further into this project, you're going to find that you're making a LOT of crimp connections. Attention to detail is where success in these sorts of endeavors is found. Yeah, you can take the easy route, smash a connector on and call it... (Read More)
Tools of the Trade...
May 15th - via: kickstarter.com
I made a quick video showing what tools I used and discussed some folk's fear of trying what seems to be a 'difficult' project. Enjoy! Tools of the Trade: What it takes to build a P³ Enjoy everyone and welcome all the new followers and backers! (Read More)
New P³ Video Is LIVE!
May 14th - via: kickstarter.com
P³ Preview Video! I've got a face best suited for radio I think, but the video is live and please check it out and let me know what you think. I forgot to cover a couple neat features (interior working light and inverter rack system). But if you... (Read More)
Officer, I'd like to report a toolbox murder....
May 13th - via: kickstarter.com
You can't make an omlette without breaking some eggs... Nothing is quite so invigorating as taking a drill and a Dremel tool to a brand new toolbox. It's almost as nerve wracking as modifying a car you just bought and drove off the lot, although... (Read More)
Well, that's interesting...
May 12th - via: kickstarter.com
What have I been up to since the last update you might ask? Well, if you must know, I procured the first battery, and I specifically chose one for our backers outside the US, where batteries are often soldered together, making the breakdown process... (Read More)
Parts is Parts!
May 8th - via: kickstarter.com
So what you see here are the parts that make up the genesis of a Portable Power Pack (P³ or P-Cube for short, since I dislike the term 'Solar Generator' because it's really neither). This is equipment I bought out of pocket because I don't want... (Read More)
Grid Charging Solutions?
May 5th - via: kickstarter.com
I'll apologize in advance for my copious use of pop culture references and memes. Sometimes a serious subject requires a bit of levity to convey a point. These represented a good selection of available, off the shelf grid chargers for mostly dumb... (Read More)
Want to make your Powerwall clone portable?
May 3rd - via: kickstarter.com
I found this on Home Depot's site and the measurements are perfect for holding a set of cells, AC charger, inverter and some cool accessories. It also has a cord pass thru for cables as well. Best of all, its only $60 USD. This should be the perfect... (Read More)
Go Rin No Sho - A Book of Five Rings
May 2nd - via: kickstarter.com
I've finished the rough outline of the foreword, table of contents and a good part of chapter 1. I was inspired by Miyamoto Musashi's "Book of Five Rings" to structure the guide into five chapters which are: Safety, Choosing & Obtaining Your... (Read More)
Well, we hit the funding goal, so now what?
April 26th - via: kickstarter.com
I'm considering a couple of options for the guide and I'd like some feedback from the backers. I'm considering a couple of the most common battery packs for examples in the guide (Toyota and Ford), two charging options (solar and grid) and two build... (Read More)
Research Hits The Road!
April 14th - via: kickstarter.com
Whats the best battery for you? Here's the beginning of the chart to help you decide! So I've started hammering out the battery choice section. This is one of the vital starting points on the conversion. As the research has matured, my decision on... (Read More)
The Guide Is Already Taking Its First Breaths!
April 2nd - via: kickstarter.com
So the writing side has begun. I'll post additional page samples as the guide progresses and maybe some teaser build pics once the project is funded and we can get some varied battery samples in for you folks. Thanks for all the pledges (25% in ONE... (Read More)
If you have additional news that doesn't appear here, shoot us a link!