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  1. H

    What's a good e bike headlight?

    Thank You! I was afraid its not that simple :lol: , I'll go for the DC-DC than.
  2. H

    What's a good e bike headlight?

    Can I use two of these in series? http://www.ebay.com/itm/Super-Bright-12V-85V-Universal-Motorcycle-E-bike-20W-LED-Modified-Headlight-Lamp-/400792305146?pt=LH_DefaultDomain_0&var=&hash=item5d51153dfa I have 24s lifepo4 so I cant use these with the fully charged pack and I was wondering if I...
  3. H

    Cracked 9C Side Cover

    The same happened to me! I've tried to get it welded, but didn't work, after a few days it was broken again and btw it was pretty expensive :( Finally I found a used side cover very cheap in a ebike service. The side cover I found was not from a same type of motor, but it's diameter was the...
  4. H

    EM3 ev / Cellman Charger with 3 voltage switch.

    Would it balance a pack under a BMS if the voltage was set high enough in the 100% mode? Could I use it with lifepo4 + BMS? I have a bit over sized pack for the daily commute and I like the idea of lifespan extending. If I am right using it in the second mode after a while I would have some...
  5. H

    Bicycle headlight with 6x CREE XM-L T6 LED 7800LM

    Yep You are reading it right, that's why I posted it here, that would suit us perfectly with a DC-DC. Used to use one like this with battery, but got bored of handling two batteries and chargers.
  6. H

    Bicycle headlight with 6x CREE XM-L T6 LED 7800LM

    So glad I've found this post! I was wondering if I could run these headlights from a 12V DC-DC without long term issues. BTW you can get a single led headlight for less than 10$ :D...
  7. H

    Giant DH team with Headway lifepo4

    Let's start with the battery: I am planning to use a 24s2p pack. I hope I can place 36 cells in the triangle: and put the rest of the 12 cells next to the upper and lower tubes. The total width will be around 15cm, so I hope I can tighten the remaining 12 cells to the tubes of the frame (2x3...
  8. H

    Giant DH team with Headway lifepo4

    Hellooooo! After a lot of reading and dreaming I have started to buy some stuff to build something better than my first attempt: Yes, it is 72V SLA, more than 60 km/h :twisted: ! I loved it but it felt a bit dangerous and after two years the battery started to weaken. So this will be the new...
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