Top balancing LiFePO4 cells involves charging the cells to a certain voltage while they are connected in parallel. Here are the steps you can follow:
1. Connect the LiFePO4 prismatic cells in parallel.
2. Charge the cells to 3.45 volts using a regulated DC power supply with overvoltage protection. This step might take a long time.
3. Once the cells reach 3.45 volts, adjust the target voltage to around 3.65 volts. You can also set it to 3.6 or 3.7 volts.
4. After the voltage exceeds 3.6 volts, turn off the power and leave the cells for an hour.
You may follow the video tutorial that provide detailed instructions on how to top balance LiFePO4 cells. Please remember to follow all safety precautions when handling batteries. If you’re unsure, it’s best to seek help from a professional.
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