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  1. F

    Bulk charging?

    So I'm not clear as to how to charge my battery pack w/o a bms. I think i understand a balance charger setup but, looks like I'll have break up my battery into smaller series connections due to there are no 14s or more balance chargers available to buy or the few that exist are not reliable and...
  2. F

    Bad cells???

    I have a 14s2p w/samung 25r's w/52v 30a discharge bms My vruzend charger will not kick on so I checked my battery volts and this what I have #1- 3.61, #2- 3.63, #3- 3.60 #4- 0.4, #5- 0.4, #6- 3.63, #7-9 3.63 #10- 3.55, #11-13 3.62, #14-3.63 Pack voltage=43.4v I bought 4 new Batts (25r)...
  3. F

    Upgrade ebike build

    HI, I'm Brian, I'm new and don't have a clue so, please pardon my ignorance. I built my first bike a month ago bought a cheap 48v 1000w kit on ebay (I know) and built a 52v 40a 14s2p (25r's) battery. My bms went out so, of course I'm looking to get more power. Typical I know. So this is what...
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