Recent content by benja.min47

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    Battery bank for trolling motor 24v 8s or 2x4s ??

    Hi, I want to build a 24v battery bank for my trolling motor. I can't seem to make the right decision. I would need your advice! I have already ordered 8 lifepo4 161ah cells (on the way). As I have already made lifepo4 packs, I have at my disposal: - 2 BMS Daly 4s 80A - 1 charger 12v - 2...
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    liitokala Official Store

    I will move on to ability tests soon but first I balance up. There is another thing that worries me, a poorly done weld. there is a risk of leakage?
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    liitokala Official Store

    Hello, you are absolutely right, this makes a lot of sense. So these batteries have a very good 0.40m ohm IR on average.
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    liitokala Official Store

    Hello, I received my lifepo4 liitokala 105Ah yesterday and I am doing the 1st tests. For the occasion, I bought a YAOREA YR1035 +. On the other hand when I take the measurements there is a big difference when I take at the top of the thread or at the base of the stud (see photo). I get 0.82m at...
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    liitokala Official Store

    hello, what did you provide as evidence?
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    Old new CALB cells !

    Hi, I don't know which tool the seller used to measure but here is the datasheet. How many Ah do you think the cell can provide?
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    Old new CALB cells !

    Okay. thank you. the fact that they have remained 3 years without load does not pose a problem then?
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    Old new CALB cells !

    I am sorry i am french and i use a translator. You are right, the exact term is not used. The seller says the voltage is at 3.23v and the internal resistance at 86 miliOhm.
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    Old new CALB cells !

    The cells are new (they have never been fitted). On the other hand, they remained stored for 3 years without charge. Is this a problem for this technology?
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    Old new CALB cells !

    Hello, I found a person in my country who sells CALB 40Ah (lifepo4) cells, following the abandonment of his project. The cells are new but they are 3 years old and have never been recharged. Do you think there is a risk in buying these cells? thank you, Ben
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    Top Balancing "How to"

    Okay. Even if there's nothing plugged into it? In this case it becomes very difficult to balance them !! ?? When I think that when I received them they had 0.01v difference ... I should have connected in series !!! At what voltage can we estimate that it is normal 3.55v? Thank you all for the...
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    Top Balancing "How to"

    Hi, I do not know what to do. When the charge is finished the cells are at 3.65v and a few hours later the voltage drops back to 3.56v !!! I do not understand. Is the problem with the cells or the charger?
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    Top Balancing "How to"

    Only the first 2, I move slowly!
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    Top Balancing "How to"

    this is what my Buck cc displays.
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    Top Balancing "How to"

    I will try to load the cells one by one. I haven't tried this method yet ...
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