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  1. G

    [Solved] 250W gear hub motor stalling/juddering motion with horrible noise

    I've just finished a custom ebike build with the objective of having very long range. The motor is a 250w rear hub geared motor (no brand) laced into a 20" wheel and the controller is rated for 350w. The controller only has a throttle input (no PAS) My battery is a 48v 50ah lifepo4 and is frame...
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    Broken throttle? Goes full speed.

    Hi I just wanted to ask for anyone's thoughts before I go ahead and buy a new throttle. I have a 48v thumb throttle for my ebike which I got with my ebike kit back in 2011 so it has had quite a bit of use on it after all these years. The other day I was going full throttle down the road and...
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    48v 25ah Lifepo4 battery state of charge when shipped

    Hi I am very new to electronics so please forgive me if my question seems silly. I recently purchaed a 48v 25ah Lifepo4 battery from Aliexpress. Once I received the battery I first tested the voltage with a multimeter and it was exactly 49v which I understand is normal as they are always sent...
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    Is 3.28v resting voltage right for 26650 lifepo4 cells?

    I have had an old lifepo4 48v 21ah sitting around in my house for quite a few years now. I first bought the pack from china in 2011, it worked very well and used it up untill 2013 when the motor started cutting out, taking off the ducttape that the pack was surrounded in, I noticed quite a few...
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