Search results

Announcement - Help us fight the BOTS! Please report all spam including stuff in your inbox!
  1. CUDAcores89

    [SELLING-US/MI] PRICE DROP 12v/14.8v 30000mah Powerizer PL-9059156-1C PR-CU-R574 Batteryspace Lipo Batteries

    I have 28 of these. This is a copy directly from the eBay listing I have for these batteries. For sale is one Powerizer 12v 14.8v 30000mah PR-CU-R574 Lipo battery. This battery was used for only a few cycles in a prototype environment and is ready for resale. The grey 3-pin connector is a...
  2. CUDAcores89

    [SELLING] Laptop batteries by the POUND, a Few medical packs - (US only)

    Okay so I haven't been on the forum for a LONG time, but I decided to show up today because I have something new to sell. This time i'm actually gonna answer PMs and close sales unlike the last time (story behind that later). Long story short: I began on this forum (and still am)an ebiker. I...
  3. CUDAcores89

    Sources for high discharge cells

    If you've been on the forum recently, then you would know that I am currently building a 24S7P 84v 14AH ebike battery for a 3000w hub motor and am really struggling to find high capacity AND high discharge cells. High capacity low discharge cells are easy to find. I currently have hundreds of...
  4. CUDAcores89

    [BUYING] High discharge, high capacity 18650 cells wanted US, Lipo cells work too

    Making a dedicated thread about this because so far I haven't gotten any leads yet. Currently looking for high capacity (above 2000mah) AND high discharge (above 10 amps) 18650 cells. I am building a 24S7P ebike battery for a 3000w hub motor and will be pulling 50 amps continuously from 7...
  5. CUDAcores89

    (US) Many kinds of cells for sale US only. Paypal, google wallet,square or trades.

    near me I have a few computer recycling centers, and I have access to some high quality panasonic cells. I can't use them because my application requires high discharge AND high capacity, but someone else may be able to. Here's what we have: I have about 28 of these A123 system 20AH "pouch"...
  6. CUDAcores89

    Trading 18650 cells proposition

    Hello all, I am back after a month hiatus. Story time: I currently have an electric bike, and I have two battery packs: One battery pack is a 52v, 20AH battery made of old laptop cells The second one is a 52v, 8AH battery made from old power tool cells Here's the problem: My battery pack...
  7. CUDAcores89

    Where to get High Discharge 18650 cells?

    Wow I haven't been here in like forever. Last time I was here this place was called diypowerwalls.com. Anyway let's get to the point of the thread. I have been battery pack building quite some time now, but mostly packs for my ebike. Finding low discharge 18650 cells is not really that...
  8. CUDAcores89

    ebike battery lithium alternatives.

    So I just moved to college. Great! But I would like to bring my ebike. The problem is its a 1KWh battery built from old laptop cells. I currently live in an apartment. Lithium-ion is great and all when you have a garage to charge your battery. It's not so great when you are in college and if...
  9. CUDAcores89

    I am single-handedly profiting off the powerwall movement

    Wow, I haven't been here in awhile. If you know anything about me, it's that I live in Michigan, the car state of the USA. now in big cites like detroit, there is one thing you can always find around the area: Scrapyards. I go to scrapyards and buy up laptop batteries. My standard price is...
  10. CUDAcores89

    Binning your laptop batteries.

    I just got back from a computer recycling center and picked up 120lbs of laptop batteries. Now unlike before, I decided to do something interesting... I decided to bin my laptop batteries. Here was the process. I would read the side of the laptop battery and run some calculations to make sure...
  11. CUDAcores89

    18650 parallel cell matching

    This isn't as much of a safety tip as it is a way to keep our cells more in balance. This is the method I used for my second ebike battery. The vast majority of powerwall builders are trying to get capacity as close as possible in each parallel group with the theory being that the parallel...
  12. CUDAcores89

    How many people even know we do this?

    Just out of curiosity, how many people have you met that even know that there are folks out there like us that tear down laptop batteries? For me it is absolutely nobody. To everyone I meet a laptop battery is simply another mysterious yet commonplace device in their life that ultimately means...
  13. CUDAcores89

    What are you paying for your cells?

    I have decided to start this thread as sort of a database of prices we can use to follow the trends of laptop batteries over time. The purpose of this thread is for everyone to bring together the prices they are paying for your cells. This way we can track how market trends are changing over...
  14. CUDAcores89

    Anyone tried the liitokala lii-500?

    Almost done testing a thousand cells. Will return to the local yard to get more... I'm not even building a powerwall or anything. I'm reselling these cells for profit. I sort them into capacity to the nearest 100mah then auction them off on ebay. I have been doing this for 2 weeks and have made...
  15. CUDAcores89

    Hi from michigan

    In a place where everyone cares about the next new gas-guzzling vehicle from ford or chevy, I have other plans. I recently went to a scrapyard (detroit has tons of them) and paid $1.25 a pound for 104lbs of laptop batteries. I built a 10S10P 36v 25AH ebike pack using only the very best cells...
Top