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    Welding outside terminal ring on LFP prismatic cells due to low penetration—acceptable or risky?

    I am assembling 12.8V 135Ah and 12.8V 150Ah LFP battery packs and using 35 mm × 3 mm aluminum busbars. For welding, I have access to a 3 kW automatic laser welding machine, which limits penetration capability for thicker busbars. Initially, I performed laser welding directly over the marked...
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    Screw vs laser welded ESS cells

    I want feedback on if to use small height 3.2V100ah screw model or laser model for making 12.8V/25.6V100ah and 48V100AH , for ESS. ( not for rickshaw). Factors to be considered 1) Ease of making pack 2) difference in BOM cost 3) ease of after sales service ( will there be cases where we have to...
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