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  1. changeissimple

    Sabvoton mqcon lack voltage

    I’m having the same type of issue. I unplugged several plugs off of controller, including Bluetooth. I dont have the lcd version of the sabvaton 72150. I am getting error code “controller overheat store hall” and then after 1 second it switched to “lack voltage” despite battery being at 83.6v...
  2. changeissimple

    GTX 72v 40ah 100amp bms with bluetooth

    What are the dimensions of the outside of the battery? Super interested.
  3. changeissimple

    Help with Motorcycle battery

    Thanks for the responses. I still have not figured it out yet. Both BMSs have the same measurements and the same unresponsiveness. I measured all the cells and they seem fine. I am wondering if it could be a temp sensor? I also found this link and wondered if anyone had experience resetting the...
  4. changeissimple

    Help with Motorcycle battery

    Hoping someone has experienced something similar to the trouble I am having with a 72v / 60AH battery from Modi Battery. They use lithium Ion prismatic cells. I bought the battery NEW in August, connected it to the motorbike, and it worked. It charged, And worked after several plug in/unplugs...
  5. changeissimple

    Cycle Analyst DP v2.3

    patrickbelmonte3@gmail.com
  6. changeissimple

    Cycle Analyst DP v2.3

    Great. Can you venmo?
  7. changeissimple

    Cycle Analyst DP v2.3

    SOLD:: Barely used. in great shape. Comes with manual. $35+ actual cost of shipping to you. Located in Boston MA.
  8. changeissimple

    14s8p Battery for sale - US

    it is a 20.8 AH not 30.8 as your post says correct?
  9. changeissimple

    48v

    Battery # 3 in listing 48v
  10. changeissimple

    48v

    Battery # 2 below photos attached 72v 70amp. triangle in perfect condition. Tape on battery is only to prevent rubbing as it is mounted on my bike.
  11. changeissimple

    48v

    Photos of Battery #1 in the post.
  12. changeissimple

    48v

    Spring bump.
  13. changeissimple

    48v

    bumpski
  14. changeissimple

    48v

    BUMP
  15. changeissimple

    48v

    48v 13ah 50amp 18650 dolphin battery. I bought for my mountain bike set up and just barely ever use it. So I am selling. Probably less than 10 charges on it. I thought I would use it regularly but with my road e-bike and a few other hobbies it sat all year. I am selling the frame locally and the...
  16. changeissimple

    Sabvoton Regen Thumb throttle not working

    Did you find anything about upgrading the software through the iPhone App? I am having a similar issue. It was working and now it is not. i am also using a thumb throttle as a e-brake.
  17. changeissimple

    Sabvoton Curiousity

    i have had the Sabvaton 72150 for 3 years. Works great. I started with a kelly and i had a lot of trouble getting it synced with the motor and I sent back and got the Sabvaton and been VERY happy with that decision. Hope that helps.
  18. changeissimple

    Help me develop the perfect throttle

    Is that what you are using? Im interested to see how it would pair with my Sabvaton 72150 and QS205
  19. changeissimple

    Good resource for those in need of help

    I am not sure about all of his builds but my batteries have cell holders. He was curing about one that I sent for repair because it was glued together. Cheap china build. But the three he sent me were all set up with cell holders. From my experience, he would probably do whatever you ask him to...
  20. changeissimple

    Good resource for those in need of help

    Below is my experience, I was not paid to say any of this: My bike, controller and battery were dead, I couldn't figure it out and then I connected with Victor on this forum and he helped me big time. In the fall of 2018 i had finished up a big build project. I had found an old cafe racer style...
  21. changeissimple

    Sabvoton MQCON review and documents

    Hi EGod---, is your statement true about Chinese knock-offs? I got a new QS205 with a Sabvaton controller new direct from QS. I had it running for a few weeks, then it crapped out on me. I haven't been able to figure out the problem yet. Not sure if it is my battery, or the controller. I was...
  22. changeissimple

    Motor Choice Advice for Motorcycle Class eBike

    I built what you are looking to build - but I used a Tomos Streetmate frame. It is a small motorcycle/moped. I used a QS205 motor with 72v 18650 battery. Goes 50mph. Registers as a moped. Looks awesome, handles the roads well. Let me know if you want more details. Happy to share...
  23. changeissimple

    New or Rebuilt Lithium-Ion Battery Service

    I had a call with Victor (vmw) last weekend. He is great to chat with and he is going to tackle a project for me. I sent a bunch of photos of my batteries and he has already been good at diagnosing the issue. I will update once the work has moved along. Glad he posted his services here. We plan...
  24. changeissimple

    New or Rebuilt Lithium-Ion Battery Service

    I'd be interested in your service. I am in Boston, so if we can figure out best shipping method, I have two 72V 18650 batteries that need some service. One has a bad cell and one needs two spot welds. I'd like to also connect them together through one BMS. Let me know your service costs and...
  25. changeissimple

    help sabvoton 72200 meltdown!

    I have a Sabvoton 72150 connected to a QS 205. Everything is essentially brand new direct from QS in August. I got it all set up and running well, probably 15 miles total and then it shut down as i was driving about 25 miles per hour. I had limited the current to 70amps and my BMS is at a 70amp...
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