12V 7Ah Storage Box Fit 21PCS 18650 Cells 12V7Ah Battery Case 3*7 Holder 3S 25A BMS for DIY 12.8V LiFePO4 Li-ion Battery Shell

12V 7Ah Storage Box Fit 21PCS 18650 Cells 12V7Ah Battery Case 3*7 Holder 3S 25A BMS for DIY 12.8V LiFePO4 Li-ion Battery Shell

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