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  1. C

    Replacing a single LiPO cell from a commercial 14s battery

    Thanks for the reply! I will try it but will wait for other members. Can anyone confirm the described modification on my bms?
  2. C

    Replacing a single LiPO cell from a commercial 14s battery

    I resoldered the battery and the bms wires. The 13th wire is not connected. On the battery I measure 49 volt and on the output of the bms I measure 44.3 volt. Should I try to charge it? Or do I have to desolder things of the BMS?
  3. C

    Replacing a single LiPO cell from a commercial 14s battery

    This is how the inside of my BMS looks like
  4. C

    Replacing a single LiPO cell from a commercial 14s battery

    Its been a while ago but I bought a new 5A Kingpan charger and I disconnected the group with dead cells. I opened up the charger and saw the pontentiometer in the corner to regulate the voltage. My next question and a problem that was also mentioned before: can I "hack" or fool my bms that the...
  5. C

    Replacing a single LiPO cell from a commercial 14s battery

    This is the inside of the charger:
  6. C

    Replacing a single LiPO cell from a commercial 14s battery

    That is the original BMS, I will ask the previous owner about the manufacturer and post it on ES. I have enough soldering irons, and quite some experience to solder them apart. Will a 36V Magic pie Li ion 1.8amp charger work? Or is it just to dangerous to use a non lifepo4 charger? Will it be...
  7. C

    Replacing a single LiPO cell from a commercial 14s battery

    I counted the cells, and it is a 13s 4 pack, the owner told it was a 14s so i was confused about that. I dont have a charger for the battery, I will have to buy one. Can I use a conventional charger when i go to 12s? And do I have to use a programmeble bms for that? Here is a pic of the bms:
  8. C

    Replacing a single LiPO cell from a commercial 14s battery

    A week ago I was lucky to get a free Lipo battery. The previous owner thought it was dead, because the voltage given by the bms was only 36 V, instead of the 48V+. The bms is replaced but this didnt solved the problem. The first thing that I did after opening the battery was measuring the...
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