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    Need to quickly Integrate replacement cell in battery bank. Looking for advice.

    Batteries still are not charging in synch even after I top balanced them. Cell 8 jumps to over voltage and cells 6 and 7 never seem to go past 3.35. Could it be the BMS? I’ve changed the cells and copper bars.
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    Need to quickly Integrate replacement cell in battery bank. Looking for advice.

    Quick update. I ran the ac for about 5 minutes and the batteries leveled out almost immediately.
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    Need to quickly Integrate replacement cell in battery bank. Looking for advice.

    So I got my batteries top balanced and ran the ac. All was good. Each cell discharged at a consistent rate. However, when I charged the batteries back up they stayed in sync until hitting about 85% capacity and then the last cell spiked and the BMS turn off due to over voltage. Also, the cell...
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    Need to quickly Integrate replacement cell in battery bank. Looking for advice.

    Any advice on the best type of resistor to use? Would simply connecting a lightbulb work?
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    Need to quickly Integrate replacement cell in battery bank. Looking for advice.

    I should add that I have a bench top charger so I could charge each of the 7 cells to match the new cell. Would that be better than discharging the new cell to match the other seven?
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    Need to quickly Integrate replacement cell in battery bank. Looking for advice.

    I built a 24v battery using eight 3.2v lifepo4 cells for use in a camper van. I top balanced them a few months ago and have been using them under light loads (under 10a) and charging them at a max of 25a. A few days ago I installed a 24v air conditioner in my camper van and tested it out on the...
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    Best way to discharge a cell prior to top balancing?

    I like this idea. Seems the easiest with the set up I have at the moment.
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    Best way to discharge a cell prior to top balancing?

    Thanks. Interesting solution. I am new at this. Which wire is tied to the the disconnect relay?
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    Best way to discharge a cell prior to top balancing?

    I have 8 new cells I am trying to top balance. Long story short I have one cell at 3.50v and the rest are 3.34. What is the best way to discharge the one cell down to 3.34 so I can start to top balance them safely? Would connecting an incandescent lightbulb to use as a resistor on the cell...
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    Top Balancing Batteries - Amp Meter Shows Negative on Red (+)

    Apparently, I just need to learn how to use the amp meter.
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    Top Balancing Batteries - Amp Meter Shows Negative on Red (+)

    I am top balancing 4 380AH EVE cells using a Constant Voltage of 3.65. When I measure the amps I get a negative number on the red (+) wire and positive reading on the negative (-) wire. Should the red show a positive reading if I am charging the battery or are my readings correct when charging?
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    24v 280AH Battery Bank Mounting

    This is my first build using these types of cells so I want to keep things as simple as possible. So, ended up getting 4 more 272ah cells. I’m going to build a 24v bank from the 8 272ah cells and a 12v bank from the 280ah cells. I’ll put the 24v bank in a van I’m converting and use 12v bank for...
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    24v 280AH Battery Bank Mounting

    I got a good deal on the batteries so I’m ok with 272 ah. They were all new in the box and local pickup.
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    24v 280AH Battery Bank Mounting

    Here they are: 272Ah silver center. 280ah blue center.
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    24v 280AH Battery Bank Mounting

    That makes sense. I just found out that I actually have 4 Lishen 272AH and 4 EVE 280AH cells. Any advice on how to best mix them. Should each type be kept together?
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    24v 280AH Battery Bank Mounting

    I am building a 24v 280AH battery bank that will be installed in a van conversion. The bank will consist of 8 cells and 1 24v Overkill BMS. For the ease of installation and possible removal, is there a problem with building two 12v banks and then connecting those banks with short 2/0 wires and...
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