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  1. F

    Ebike Shuts Down Under Load or High RPMs Without Load

    Problem solved. I was not happy when I started thinking about battery pack as my problem. So I checked more, and I started thinking about a XT90S connector I installed to prevent sparks when doing or undoing connections. It was not fully inserted so it showed 8 ohm resistance between both sides...
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    Ebike Shuts Down Under Load or High RPMs Without Load

    I just had a big surprise, I upgraded, my nr1 pack from 10s 3p to 10s 4p, just like pack nr2, 10s 4p, which is shutting down on the bike. Now pack nr1 has the same issue. Shutting every 2 sec on PAS, not running at all with throttle. I have to think about to find a way out. 1 idea- try no s...
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    Ebike Shuts Down Under Load or High RPMs Without Load

    A just had a good idea, as battery pack is new, never used, 36V, 12Ah, 41.7 volt charged, I'll try ride bike and measure battery pack voltage. If it drops a good bit, it's battery pack.
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    Ebike Shuts Down Under Load or High RPMs Without Load

    I have 1 battery 36V, 9Ah, 10s 3p, Vruzend kit, measures 42V charged. Bike works very well with this pack. To increase range I built another pack, with a box that fits in the lower frame. It's 36V, 12Ah, 10s 4p, spot welded, measures 41.7 V charged. Both with same brand and type of batteries...
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    Ebike Shuts Down Under Load or High RPMs Without Load

    I just have same issue, bike works well off ground, very well, or very light speed, or another battery pack 36V 12Ah. I tried bypass BMS, nothing changed. I would say it's battery pack issue, as all works well with another battery pack. I'll try open it and I'll report back.
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