Mini Power Bank Case 21700 18650 Battery Box Caricabatteria Telefono Portatile Scatola di Ricarica

Battery: 1 section 21700 or 1 section 18650. No welding, can be used directly by installing the battery. After placing the battery, use it for functional testing to ensure normal use. Then close the outer shell, which cannot be disassembled again.

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