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  1. C

    Best controller for QS138 V3 70

    I want this next conversion(Super Soco TC Max) to be able to sit on 110-120kph for an indefinite period of time(1/2hr + ideally), whats peoples suggestions if I'm using the 90h 138? Sorry not V3 related, but theres a new V3 out that I'm guessing is 90h anyway, so this should be relevant from now on.
  2. C

    Best controller for QS138 V3 70

    Doing a 2008 CRF250 conversion. Have a QS138 V3 and em 150 controller. Aiming to get higher power from the bike than EM150 will achieve and can use EM150 on a pit bike build with smaller motor for my daughter. So the goals I'm looking for are over 20kw at rear wheel. light weight ideally. easily...
  3. C

    Makita battery built in bms at 36v?

    Makita 18V batteries have no BMS, the BMS is in all the tools. Same with Dewalt I believe. Most other brands have BMS in battery. How long have they lasted without a BMS?
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