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  1. E

    help wth lyen controller regen brake connection

    Hi, i used to post here a long while ago. I recently resurrected my ebike which uses a crystalyte rear 409 hubmotor. Previously i always ran it at 84v, so i didn't connect the regen braking. The bike uses a 72v 20amp lyen controller. So now i made a 72v battery (sub c nimh) and i wanted to try...
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    Headway questions, Can I charge lifepo4 with no bms?

    I need to buy new batteries for my 72v 20amp ebike. I used 9ah sla , they lasted a year. I bought 2 36v 10ah ping batteries. They lasted a year with the bms. I then ran them for 2 more years with no bms. I bought abunch of 7.2v nimh rc sub c cells and have been running 2 batteries with 72s for...
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    What is max volts for clyte 4820r controller??????

    Question: Will this controller be ok if my max voltage off the charger is less than 67 volts?????? I blew my 72v controller by accident, connecting it to 150volts. Prior to that my bike was running great not exceeding 104 volts. I just bought the 48volt controller and connected it to 58 volts...
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    96v nimh battery build

    I made a new battery today. I bought 12 7.2v nimh. I bought 4 3-stick chargers. So I have 72 nimh cells in series. No bms needed. I have a 409 rear hubmotor brushless with 100v 20a controller. My parts are 5 yrs old, my bike, 8 yrs old. I finally got to where I wanted to be...My bike go nearly...
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    Shorai batteries will these work?

    I searched this forum for "shorai" and got 0 results. It appears that this is a new battery on the market. I'm thinking of using these on my 72v electric bike. They are much smaller and lighter than any lifepo4 I have seen. I like the 9ah size. I'm just wondering how they will perform in a deep...
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    The Greatest Story Ever Told

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  7. E

    ping battery woes?

    Hello all. I built my current ebike several years ago. I have a clyte rwd 409 26". I bought 2 ping 36v10ah lifepo4 a year or 2 ago when ping first started selling on ebay. The batts are conneceted in series for 72v. My controller limits current to 20amps. The batteries have performed flawlessly...
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