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  1. J

    Home made LiIo "pipe" battery possible voltage sag issue

    Hi Experts! Got a question regarding a battery built for an electric bike. The battery is a pair of 7s4p batteries used in series. I elected to use this pattern as I am not using a BMS and have purchased a super-duper iCharger duo battery charger which will charge both batteries simultaneously...
  2. J

    What does the VLCD5 battery level actually mean?

    Hi all. Digging into a potential battery issue I have but beginning to suspect my battery monitors rather than the battery. As an alternative means of keeping an eye on things I was wondering what the VLCD5 battery level display actually tells you. The spec for the VLCD5 allows for an input...
  3. J

    Tongsheng TSDZ2 not providing assist. Fine on throttle

    Hi all. Hope someone can help. I have a self build bike with Tongsheng (Tong Sheng) TSDZ2 500W mid drive purchased at the beginning of 2018. I have a home made battery producing 48V at 15A max. The kit I purchased included a hand throttle and brakes. The key thing to note is that if I run...
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