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    help with choosing a controller

    (3D Printed Fairing) any one ever try this? anyone with 3d printer files? thanks
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    [USA] Will Tariffs come about and lead to higher priced ebike parts

    I want to import a rz style motorcycle from china to usa. It might be a complete bike or a box of parts When might imports continue and tariffs fall?
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    help with choosing a controller

    I was told I needed a gear box to get decent low-mid end power- typically 9:1 depending on what the chain drive ratio is
  4. T

    help with choosing a controller

    Does anyone know I might find a listing of USA distributors for ebike/emotorcycle parts? I'm looking to purchase various parts like motors or controllers from companies with inventory in the USA. Yes I already know about temu, aliexpress, alibaba, ebay and amazon. but none of these have a good...
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    help with choosing a controller

    from my research the proof is in the part number 961200 appears to be the one to buy, the 12 is kw rating
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    1989 Kawasaki EX500 (Ninja) - EV conversion, finished but still refining

    I'm told a mid motor chain drive is the pref. option
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    help with choosing a controller

    what do they do to make the ebike better? where can i buy one. what ratios do i want thanks all
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    help with choosing a controller

    kind new to choosing hardware. in this post I'm wondering what controller i should use. take the nd series for example, they have the 800, 850, 1000, 1200 and many more. my current motor of choice is the siaecosys 155-64 rated at 12kw. how do i determine what controller is ideal vs a...
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    Voliomart 1500 watt hub motor- How much can I over volt.

    Hi all having a bit of trouble with hill climbing and thinking of reworking the battery pack for starters I have 4 12v 16 amp/hr miady lifepo4 in series I'm going to rebuild the pack with a beefier smart battery controller namly a 100BALANCE BMS 60A Active Balance 1A 8S-24S Build in Bluetooth...
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    Balancing 12 volt battery banks

    How do I balance 4 12 volt battery packs? these are sealed LiFePO4 batteries in a 4s config with their own internal BMS, similar to a drop in 12 volt replacement battery I'm using a charger designed for 54 volt LiFe batteries but it doesn't offer balancing electronics like a separate 14s BMS...
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    Building a pack for Engine Starting

    nah, improving the wheel. a replacement 8D easily sets me back $350, plus I have to drive 40 miles to exchange, plus having to deal with all the corrosion and maint. A LiFePO4 battery bank will set me back about 500 and be 100 pounds lighter, and last 4x longer.
  12. T

    Building a pack for Engine Starting

    forgot to mention, i'll be using sinopoly 12volt 100 ah bundle at about $500
  13. T

    Building a pack for Engine Starting

    I gave up on the idea of using sli or agm batteries. Too much weigh and too short of a lifespan. Instead I came across LiFePO4 batteries on Amazon, I settled on 4 Miady brand rated at 12 volt and 16 amp/hr. the pack weighs in at just under 16 lbs, sli/agm would have tipped the scales at...
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    Building a pack for Engine Starting

    I'm in the planning stages of converting a mtb to ev assist. I'm finding the Li battery packs quite expensive, LiFePO4 are not even close to my budget. Enter the old tech of SLA batteries, I need 36 volt at 12 amp/hr, I am thinking of 3x or 4x 15 to 20 amp/hr agm/sli deep cycle batteries in...
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