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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.
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    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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