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  1. B

    How measure capacity of LI-ION pack?

    No no, this is just voltmeter and ampmeter. And volt multiply amp is watt. It necessary discharge battery constantly and measure time and follow minimal voltage of battery. But i need exactly procedure. Nobody know it?
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    How measure capacity of LI-ION pack?

    Hi. I bought from ali from ETARIO seller , battery 52V 21Ah but i want measure truth values of capacity. Can you advice some method? Thanks.
  3. B

    Advice about 52V battery

    right now, i work on bmx bike. Everything working but can be someone help me with battery? Can anyone advise me? I would rather 52V battery pack but one side of battery can't exceed 130mm first i did think about this battery ...
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    Help with build of e-bmx

    Hi guys. I know, that certainly are you already solved problems about electric bmx but , i will be very glad if you help me with my build please. One member of this forum told me that this bike kit have a verry narrow rim http://leafbike.com/products/diy-bike-c ... t-986.html But what if i use...
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    recommendations: HUB motor for 21" BMX

    Hi. I would like to build a electric BMX. I saw a lot of HUB motors kit on aliexpres and alibaba, but i can't find what i need. I need motor with these specifications: primary is motor, i need motor 1500W/3000W with 135 axle (dropout) with only one freewheel and with disc brake, exactly like...
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