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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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    Top Balancing "How to"

    Thanks. 1- this is the method I used. big cable + rings. but I gave up the parallel for the load in series and there I still have problems !!! I do not know what to do...
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    Top Balancing "How to"

    Hello, I get back to you again because I still have issues with my Lifepo4 100ah 4s battery pack. I tried balancing from the top with a laptop power supply coupled to a DC buck all connected in parallel. When my power came to 3.65v my cells were actually only 3.50v. So I stopped and connected...
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    Top Balancing "How to"

    Like you said I changed the cables and everything is OK now! thank you,
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    Top Balancing "How to"

    OK, I'm installing bigger wires and keeping you posted.
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    Top Balancing "How to"

    I didn't quote the right sentence, sorry. No alligator clip, I screwed the lugs directly onto the aluminum strip. For info I set 3.3A with 0.75mm² cables.
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    Top Balancing "How to"

    I read the answer directly on the forum thread and the author says that ultimately it doesn't matter. I also read that there could be a difference of between the DC power supply and the actual value but in this case what should I do? Take the next step towards the 3.65v target? Thank you for...
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    Top Balancing "How to"

    I do not understand. Yes unfortunately the cables are thin! But why does my DC power supply mark me 3.50v if in reality the cell pack is at 3.33v ??
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    Top Balancing "How to"

    Hello, I'm still calling on you! My power has reached its target of 3.50v yet when I test the cells individually they are at 3.33v ... is this normal? thank you,
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    Top Balancing "How to"

    hello, after several days of rest, connected in parallel, I connected my cells with my home-made power supply. Currently I apply 3.50v to 3.3a (max of my power supply). Thanks for your help. I will come back to give you the result ...
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    Top Balancing "How to"

    - OK - But is there no risk? It will "float" without ever exceeding the target voltage (sorry, I have no knowledge in this area!) - I speak french
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    Top Balancing "How to"

    Thank you for the link. I had consulted the method. On the other hand for the video of will, as I do not speak English I did not understand everything !!! So let's imagine that I have more than 66 hours to lose, like will, I connect my power supply to the batteries connected in parallel, I set...
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    Top Balancing "How to"

    Yes I have a BMS and a 12v charger. As recommended, I wanted to balance before final assembly. Then I will charge with the 12v charger under the control of the BMS!
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    Top Balancing "How to"

    Hi, I just got 4 lifepo4 100ah cells. The 4 tested at 2.99v. For the moment they are connected in parallel, at rest. I would like to do the first parallel charge at 3.65v as will in his video. But I only have that as material: Can I do it? Thanks
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    Charging my cells

    Thank you. I have reviewed the 2 methods from the beginner's guide. I will therefore charge in parallel with rest phases. To do this I have this device at home. Is this okay or do I have to buy a lab DC power supply like Will?
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    Charging my cells

    thank you for the answer. so I plug in in parallel and I let it rest, is that it? can I use a small diameter cable to connect?
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    Trolling motor battery in a fat 50 ammo can

    Hi, That's it! After the third time I received the batteries !!! This time I ordered from Alibaba. These are 100ahs. I will be able to start construction !!! But already a problem ... I think I'm going to run out of space in my ammo box, right ??
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    Charging my cells

    Hi,I just got 4 Lifepo4 100ah cells. With the voltmeter I have 2.99v on the 4 cells. Only the thousandth varies on a cell. Can I directly plug in my BMS and charge without going through the balancing phase? thank you, (i'm french and i use google translate, sorry for the language).
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    Chinese New Year – or what I call “Where the ^$%^ is my battery shipment? (order now)

    Thank you for your answer. In a hurry (after seeing this post) I launched an order. According to the seller the batteries are in stock and will be dispatched on Monday. It should be good...
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    Chinese New Year – or what I call “Where the ^$%^ is my battery shipment? (order now)

    Hi ghostwriter66, i need to order batteries now and your post worries me! If I understood correctly, by ordering now I risk receiving a poor quality battery? Do sellers on Alibaba not have stock? thank you
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