Zum Selbermachen Powerbank Hülle 21700 18650 Akkubox für Smartphone Ladegerät Schweißfrei
ab 10,45 €
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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