Features:Connectors: 5.5x2.1mm Female Barrel Jack, USB Mini-B Male.Maximum Outside Diameter of Wire :3.5mm/0.14Inches.Nominal Cross Section :0.3 mm square. Descriptions:Use a power adapter with a barrel connector to power and charge USB devices. This is a great way to create a higher current USB charger using the extra barrel chargers that you have around.
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