Search results

Date Relevance Most replies

  1. B

    Icharger DUO 4010 smoke

    I have accidentally connected 72V to Icharger 4010...... :oops: :oops: :oops: (forgot to split pack when charging). To bad for me, fets (IRFB3306G) are blown and a one smd diode. I have searched many times for this type of diode ( marking on diode > MT 1423 ). Well no luck for me.... Can...
  2. B

    Wan Lian motor brush replacement.....

    Hi all, I have a old e-bike fitted with a Wan Lian 24V brushed motor. I would like to replace brushes, any idea where to get them? Thanks for help 8)
  3. B

    Torque sensor inside motor?

    Dear all 8) I have just bought a used e-bike. Too bad I didn't expect motor is a brushed version :lol: :( O well for the price I can't complain :lol: Now I see controller has two motor wires: green and blue. So this conclude motor is a brushed version. Also it has three small wires coming...
  4. B

    BMS is working without sensing feature

    Hi all, I have installed a new bms : http://www.batterysupports.com/72v-84v-20s-60a-20x-36v-lithium-ion-liion-lipo-battery-bms-p-415.html By accident I have discover the bms will continue charging if you disconnect one of the sense wires. Also it is working (motor is running) without sense...
  5. B

    Balance wires more > 1m

    Hi all, I would like to make some balance wires for Icharger 4010 and FMA PL8, balance wires would be about 1.5 meters. Wire size is 20 awg, balance current is 1 to 3A. Will this work? Also should all balance wires have the same length? Thank you!
  6. B

    Charging fet smoked up?

    Hello there! I have a old ebike 24V battery, who does not allow me to charge. The charger led stay solid green when connected to this pack. After some troubleshooting, charger is just fine. I have opened the battery pack and rewired negative charging lead directly to negative pack pole...
  7. B

    60V BMS to 48V BMS?

    Hi all, I have a 60V 150A bms (16S) sitting here. I would like to use it for a 48V pack (13S). Is any possibilty to use this 16S bms for 13S battery pack? Thank you very much! 8)
  8. B

    20S li-ion into 5S

    I have 20S li-ion pack. It's split in 2X 10S packs, due I don't have a 10S charger I would like to split the 10S pack to 2X 5 packs. After 10S split can I charge 5s packs at the same time without any problems? Also Do I have to disconnect other half 10S packs when charging the 5s packs...
  9. B

    g3m20211-1592-16 24V controller....

    Hi all, I have bought a used e-bike for temporally use. While servicing the bike e.g. inspecting the controller I see two resistors are overheated. But I really don't know what function(s) these resistors have. Maybe you could help.... Thanks 8)
  10. B

    24V NI_CAD to LI-ION?

    Hi all, One of my relative has a old ebike with mid drive system. But battery is dead for a while now. So he asked replace to the ni-cad batteries. I have some 15Ah lifepo4 cells left, so my question: is it possible to use my 8X lifepo4 cells? Thank you 8)
  11. B

    Soldering 18650 Samsung 25R

    I will get some 18650 Samsung 25R cells. I don't have a spot welder, so....soldering is only my solution. I can solder, that should not be a problem. I have only few questions before starting soldering. I have Weller 80W solder station. Which temp should I set for soldering these cells. Also...
  12. B

    4Motus frame and 15Ah cells

    Hi guys, Can you please help me out. I would like to have a 24S pack of Headway 15Ah cells. But will it fits this battery box? Or how many max. Headway 15Ah cells will fits? Thanks for help! 8) Width is 12cm
Back
Top