Recent content by jaja

  1. J

    Not economic for making too big LiFePO4 batteries

    Someone asked me to make big LiFePO4 batteries such as 72V40AH... I consider it uneconomical because of: 1. It takes too many single cells, cause it too heavy. And it is more subject to damage during using. 2. Lack of experience for the manufacturer to make so big BMS... Suggest using two small...
  2. J

    Best battery?

    72V is so big... To big volt mant people choose to use two 36V batteies serial connected... less than 40kg is required?
  3. J

    48 v 20 ah BATTERY CHARGER

    You can use 3-5 amp charger..It can be charged full within 4-5 hours
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