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  1. C

    Lowest recommended voltage before charging

    I know we recommend to charge up to 90% or 4.1v (single 18650) to get better cycle life What about the recommended lowest voltage taken into the effect of voltage sag? Some say 30% but not sure what voltage is 30% What is 30% in terms of 18650? Is it 3.6 volts? What is 0%? . I know 0 volts is...
  2. C

    10s3p Scooter battery packs for Ebike question

    Just got four 36v 10s3p scooter battery packs for my DIY battery build from fleabay quite cheap. Pack is 7.7ah 36v with LG cells. Tested each pack and was 40v. Was going to make myself a DIY 52v 14s pack but might be hard if since these battery are spot welded so might be easier just to upgrade...
  3. C

    Quick Meanwell charging question

    I have several ELN-60-48D from my DIY reef LED lighting a few years ago that I am not using. I want to slow charge 13s 48v battery at 1Ah. The max voltage I was able to get was 53.2 volts. I want to undercharge my 48v battery pack to 52 volts keeping it withing the 80%-90% charged range for...
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