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  1. BrandonB

    Latest Build Nearly Complete After Over a Decade

    The last bike I completed myself was over a decade ago, a 2005 Giant Rincon. It had a blowout $250 EBikeKit.com 9 Continents hub motor kit from a dealer that was going out of business and a battery that comprised of six 7Ah lead acid batteries wired up for 36 volts at 14 Ah. I couldn't keep a...
  2. BrandonB

    LIQUIDATION SALE! $90 for 36v 15.3ah (551wh) UNUSED and LOCKED Ninebot G30 Max battery

    This fellow has not replied, so I guess we are SOL.
  3. BrandonB

    LIQUIDATION SALE! $90 for 36v 15.3ah (551wh) UNUSED and LOCKED Ninebot G30 Max battery

    I am interested in buying a pack if still available. Thanks!
  4. BrandonB

    "Storm/Sondors" thread for parking contentious posts

    This guy felt the need to (try) and scope out my Facebook profile, insult me, and insult my mother...right before blocking me, because of the comments I made on the Sondors page. Theodore, not sure who you really are, but can you tell us in all seriousness if anything I said to anyone on the...
  5. BrandonB

    "Storm/Sondors" thread for parking contentious posts

    That's where you are wrong...how did you know that I wasn't a funder? Would you have known at all if I hadn't posted here? I can already tell you that the answer is no, because I purposely made sure that all my posts in the group were ambiguous as to whether I was a funding party or not. I'm...
  6. BrandonB

    I cheated this time

    A suspension seat would be really nice. I have a brooks seat on a foot-powered Raleigh Twenty, and boy is it nice. The noseless seat is a standard item in the bike section of Wal Mart for $20. For larger people like me, it makes all the difference in the world. I think most bike seats are made...
  7. BrandonB

    I cheated this time

    Wanted to get back into the game on the cheap, to help me get back in shape. Looking around, technology has made big leaps since 2009, but there aren't any more $250 shipped 9C kits kicking around. I scoured eBay until I came across this bike, a Schwinn Transit Electric 700C. Has a 24 volt...
  8. BrandonB

    help swapping from yescom 48V controller to Lyen 12 FET

    The black/green/red wires on the three pin connector is for your throttle, that is standard wire coloring for an ebike throttle. The other two wires on the smaller connector, the red and black, are probably just a feed directly from the battery to the throttle. The circuitry to display the...
  9. BrandonB

    Bioenno Power Cells ?

    I have inquired to multiple places about these batteries. Bienno Power, Stark Power, Powerizer, Clean Energy. All of them are, from what i have read into and called and asked about, imported from Asia and rebranded. There are many of them on AliBaba for sale; mostly from what I read people doing...
  10. BrandonB

    Yescom Kit 36V Controller internals revealed

    The controller probably has a preset amp limit, from the looks of it mine will definitely do more than the 500 watts it is marked, but if it's programmed to do 500 watts, that's what it will do, or at least that's what I am under the impression of. Get a Lyen controller if you want a good...
  11. BrandonB

    Yescom Kit 36V Controller internals revealed

    Going by that figure and the fact that it has twelve FETs, how much current would you estimate it could safely handle continuously? Surely more than 15 amps?
  12. BrandonB

    Yescom Kit 36V Controller internals revealed

    Here are pictures of it, for those who are interested. 12 FET controller, caps were 63V. FETs marked as STI 80NF70. Many wires removed, including some unused, three throttle inputs (?), output voltage indicator, extra brake cut that was on the throttle. Last picture is of my own doing, I pinned...
  13. BrandonB

    What have I done wrong???

    I am tired of messing with these cells. Must have a damn ghost inside them. Every single cell reads good and charged to 2+ Ah. I have already dumped a month into these and will spend no more time with them. Anyone who wants them can have them for the cost of shipping. PM Me.
  14. BrandonB

    What have I done wrong???

    I have spent all night working on this piece of shit battery, and after getting it done, it reads 4 volts at the outermost two points, where it should read 40V. On the next two innermost points (8s) I get 24V, like it is only 6S! Measured at any 9S, I get 32V, like an 8S pack.. There are no dead...
  15. BrandonB

    Setting up for single cell testing..

    I have attached a picture of what I use in case you wanted to try something else. A "MetroPCS" standalone cell phone battery charger I purchased from eBay for a whopping $3.50 shipped. I took it apart and ran clipleads out of the original contact holes to charge any battery with tabs. The...
  16. BrandonB

    Name that BMS!

    It is indeed the O2 micro chip after further inspection. A little easier (hopefully) question...anyone got a wiring diagram of the pinout? Thanks, Brandon
  17. BrandonB

    Name that BMS!

    Can anyone help me out here? Specifically looking for the wiring diagram, any features, and the current limit. Came off of a working 36v (10S) Li-Ion pack. Thanks, Brandon
  18. BrandonB

    Using Accucel-8 as a BMS?

    BMS: ~$40 for cheapest Charger: ~$50 for cheapest Total: $90 Accucel 8: $45 If I'm using an 8s pack (I am), why couldn't I just leave an accucel 8 hooked up to it all the time to balance the batteries and charge them both, instead of buying a low end BMS and charger? The Accucel chargers have...
  19. BrandonB

    Venturing into the world of inexpensive LiCo batteries...

    GREENIES! All 2.4V or more, most 3+! All tested good! The Dell BMS did it's job!
  20. BrandonB

    Venturing into the world of inexpensive LiCo batteries...

    The infamous Dell power indicator on the battery will help me out a lot, if it still works. I am hoping they are still holding enough of a charge for it to...even though that's a far stretch. Just so I've got my bases covered here...These batteries like to be charged at 3.7 volts, and a safe...
  21. BrandonB

    Venturing into the world of inexpensive LiCo batteries...

    Just bought five of these for a total of $52 shipped: http://www.legendmicro.com/store/more_info.asp?Product_ID=6019&OpenTreeBranches=0&SortBy=0 A 12 cell pack @ 5.4Ah and 14.8V tells me that there are 1.8Ah cells inside the pack, in a 4S3P configuration. 5 packs at 12 cells each gives me 60...
  22. BrandonB

    Tekocell Li-Po batteries?

    While surfing eBay, I stumbled upon these: http://cgi.ebay.com/Tekocell-Li-Po-Battery-Cells-10Ah-3-9V-Litium-Ion-/360268666468?pt=LH_DefaultDomain_0&hash=item53e1af9664 I made an offer, then later retracted it. I don't have the money to throw at a battery that may not be sufficient, but maybe...
  23. BrandonB

    Prius Batteries - How to make them work

    I am still in the process of cycling all the cells to find 5 of them with close enough capacity to each other to use in a 5S pack. They provide promising results at a 25 amp discharge, though. I'm a tad busy at the moment (assuming you were talking about me) but I definately plan to use them in...
  24. BrandonB

    Prius Batteries - How to make them work

    Today, I did the final testing on the first cell. I ended up with a capacity of around ~2600 mah after 3 or so cycles at a low charge and discharge rate. I decided to put the battery to a test, so I did a few cycles at 6A charge and 20A discharge. The good news is that the battery never got...
  25. BrandonB

    Prius Batteries - How to make them work

    I recently bought 11 cells off of ebay untest for the paltry sum of $27.50 shipped. When they arrived, I was pleasantly surprised to find that 8 of them were holding a recoverable voltage (4.9V+). I took the a battery with a moderately high voltage (7.2V) and immediately started peak charging...
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