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    Can I trust these high-power ebay cells?

    I was trolling ebay looking for some possible cells for my electric motorcycle conversion, and found this: https://www.ebay.com/itm/84-SPIM08HP-3-7V-8AH-LITHIUM-ION-BATTERIES-25C-200A-SUPER-CELLS-CUSTOM/202814938579?hash=item2f38b65dd3:g:MuYAAOSwDkVaakSh. Can I trust these cells? The description...
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    Q100H vs SWXH

    Hi all, I'm going to be doing a second ebike conversion, this time on my dad's bike, and I'd like some advice regarding motor choice. I think I have it narrowed down to essentially the SWXH or the Q100H, both in the 260 rpm winds. I'd be running them at 48 volts in a 26" inch wheel for a ~25 mph...
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    Nkon refurbished cells any good?

    I saw recently on Nkon's website that they have refurbished cells available. Does anyone have any experience with these cells? The pictures they had showed spot weld marks on the ends, but made no mention of capacity, aside from manufacturer ratings. Do these refurbished cells perform as well as...
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    Making a torque throttle instead of a speed throttle for a cheap controller

    Hello all, I recently made this device and thought I'd share it with the community, both to help others and to possibly get others to help me. Essentially, it's an Arduino hooked up to the signal from the twist/thumb throttle, a PWM smoothing circuit which is in turn connected to the throttle...
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    Motor Choice Advice for Motorcycle Class eBike

    Hey all, I've finished my regular eBike, a Q100c in a Trek FX 2 with an S12S controller, and I would like to build a more "practical" vehicle for getting around my area. My excuse to build something so powerful would be that where I live currently, Prescott AZ, accessing towns just 5 miles away...
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    Advice for a first build

    Hey all, first time posting. I've been haunting the forums here for a while now, and gathering a lot of info, so I think I know what I'm talking about, but maybe not. :mrgreen: Anyways. I have a beautiful Trek FX 2 that I got in the fall to replace my 7200 that got totalled when I got struck...
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