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  1. I

    preset 7 s866 display magnet number

    my new to me brainpower controller with s866 lcd display has arrived and im very happyy with it, im using it on a lf-h04 geared hub, option 7, number of magnets, any body know the answer? seems for a geared hub its number of magnets multiplyed by gear ratio or something. will the self learn...
  2. I

    when everything is new and it still wont go

    my bike went down on speed and was running rough, battery fine, not tested the rear hub yet, assummed it was the controller, bought one from ebay, advertised as a twelve tube controller,still no luck, may get one of those multitesters next i suppose, any one ha any experience of these 500 watt...
  3. I

    if carlsberg made spot welders

    https://youtu.be/htySJahC3-c
  4. I

    slow charging cells

    capacity testing samsung q15 cells on an opus bt, recharging on an vc4, some cells take a long time to charge, capacity is good, IR within normal range, but these cells lag behind so much, what woulld happen if i inclueded them in a build, 10s9p, they get there eventually, i could make a whole...
  5. I

    capacity test fail

    well my new opus bt-c3100 arrived today and began capacity testing, the manual says cells will go down to 2.8v. 2 hours in and the test has stopped, way above 2.8v, test stopped at 3.2 v, hmm i suppose its a constant. cells are samsung q15 rated 1.5 amp, coming out at 1.6amp so as good but why...
  6. I

    20700 smart charger

    just about to buy the opus bt-c3100 so i can start capacity testing my reclaimed cells, got the Repackr site saved to my favourites for optimum used cell distribution, only to find the opus is limited to 6.5cm cells, im going with 20700. so what charger/discharger will take my bigger cells?
  7. I

    36v battery 10s 9p,8p,8p, 8p,8p,8p 7p,7p,6p,6p

    when building packs from reclaimed cells, any grading will lead to many cells being disgarded, so heres my proposal, fit a bms system, also a voltage moniter system, exteriour connection points to each group, so a buck stepdown charger can be used to manually balance, and use product over sum...
  8. I

    first battery

    here is my first battery, cells are samsung salvaged 1500ma,10s 9p, roughly graded and built into a jumbo shark case, the supplied BMS wouldnt work so cut it out and went without one, i was keen to get rolliin, drive is rear hub 500watt with 250 watt control giving 10mph on a voodoo banttu...
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