do these batteries have a PCB/BMS?
High Power Polymer Li-Ion Cell: 3.7V 4000 mAh (6050140-10C) 14.8Wh, 40A rate - UN38.3 Passed -
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Open Feb 02, 2026 - 01:21 PM
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Feb 02, 2026 - 01:21 PM
No, this cell doesn't have PCB.
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