Search results

Date Relevance Most replies

  1. A

    Chargers with five wires , bafang / shimano etc

    Hi, I’ve noticed some chargers have a yellow blue and green wire as well as the red and black …. Just wondering what these are for and is it possible to get the chargers to work with out these ? Many thanks, Adam
  2. A

    Solder longevity on nickel

    Hi all, So Im upto soldering the wires onto my 18650 pack and im testing my solder. Using IPA cleaner and a flux pen. Ive tested 60/40 and lead free Tin solder. I can peal the nickel back off the solder. As in picture Obviously the nickel on the pack wont be able to peal backwards but im...
  3. A

    Icharger mod to charge any voltage

    HI does any body know of a mod to let a 4010 duo charge at up to 20s? Kr, adam
  4. A

    Battery pack calculator

    hi, Does any body have or know of a battery calculator where you can input your cell values to give a pack performance?
  5. A

    Lightest possible Mid drive Fat bike build

    Good Day all, I have a customer that wants me to build the lightest possible e fat bike. We are going to be using one of these frames ( or any think you can recommend)? >> http://www.carbonbikekits.com/frames/CFM608_Full_Carbon_Fat_Bike_Frame-en.html We would like a Mid Drive kit and we will...
  6. A

    Setting up CA3 with TDCM bb for Proportional throttle

    Im struggling to set up my CA3 to TDCM bb for Proportional Throttle. I want it to be as smooth as the Bosch systems if possible. but its going on its own and only stops when I pedal backwards etc... I have a Grin 40a controller and H4080 motor. Are there any advise parameter setting for this...
  7. A

    Choosing a spot welder

    Hi, I want to buy a spot welder for building packs. Is there any hints and tips for what to look out for when choosing a spot welder ? Ive been looking a this one. Looks like it will do the Job...
  8. A

    BS EN 62133:2013 Annex A, Clause A.3.2.Lithium Charging guid

    Hi, I have had a problem with balance boards being seized by trading stadards. They have been tested and I need to get a copy of BS EN 62133:2013 Annex A, Clause A.3.2. in order to confirm with them that we only need to replace the charger. Will be very great full if some one has a copy of it...
  9. A

    Options for Torque sensor Mid Drive Kits?

    So far Ive Tested GNG, Cyclone, Bafang Mid drives. However I much Prefer Bosch/ Yamaha Mid drives for trail riding as natural bike control as I find it so much more fun than trying to match pedal turns with a twisting a throttle. Are there any aftermarket kits available?
  10. A

    Icharger 4010 duo to bulk charger mod

    Hi Does any body have any Idea on how to turn this into a bulk charger? That would be a cool mod.
  11. A

    Altering End Voltage on a Bulk Lipo Charger

    Ive got a few charger that I could do with altering the end voltage on to suit new packs. Ive got a 900w and a 600w charger from BMSbattery. Has any body got any advice on how this can be done and how to go about testing it? adam
  12. A

    5s being charged when in series with a 6s under discharge?!?

    Hi, I have been running 6s,6s,5s,5s 5000mah in series and then pallaling this to another string of 6s,6s,5s,5s of 5000mah to make 22s2p. This set up seems to work well and I only have to balance charge when I run it lower than 3.7v. However when I use my 4 spare batteries just o quickly pop...
  13. A

    Series Lipo packs- How to know how much voltage is too much?

    Hi, I just wonder how do tell if you are making too many series connection with Lipo packs. I know they have a C rating but surely there must be a limit to the amount of volts and current you can pull through them? Kr, Adam
  14. A

    Do cells on final connection before controller work harder ?

    HI ALL, Ive noticed on my friends bike (18s 4p 20ah Lipo pack) that the group of lipos in the last connection before controller where lowest voltages by 0.2v then series connection 2, 0.1v higher and series connection 3, 0.1v higher again. So for example in order, Controller then group 3 cells...
  15. A

    Cell Strain Characteristics With Making Series Connections

    Hi Am I correct in noticing that the group of cells in the last series connection of a lipo pack always seem to take the most strain and develop cell sag before the others cells? Also how far can you go with making series connections. For example does a 24s pack put more individual strain on...
  16. A

    CA HELP Grin 45 a controller and CA/ GNG650w set up help

    Hi My Friend hasGrin 45 a controller and CA with GNG650w set up. We are using this senseless as one of the halls have gone down. However we are having trouble programming the parameters on the bike. We are experiencing a cut of power until the throttle is backed off to zero and then reopened...
  17. A

    Retailing off road ebikes advice ( insurance/ certification)

    Hi, I run a bike shop bike shop and would like to retail the parts to make high power e bikes. I am concerned that if I retail products that do no comply with EN certification I could be held liable in case of an accident. Please can any one give me advice on how I can sell high power E bike...
  18. A

    Charging Lipo with Li ion charger?

    Hi, I have this Mini folding electric bike and it has a 29v Lion battery in it. The charger says 29.4v/2a and I have verified the battery volt with my multi meter. I need more Amp hours and am planning on simply putting a switch to swap between the battery packs. I was thinking of buying...
Back
Top