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DC Barrel Jack to Micro-USB B Male Connector Adapter 5V Power Cable 5.5mm/2.1mm
DC Barrel Jack to Micro-USB B Male Connector Adapter 5V Power Cable 5.5mm/2.1mm
Volume Pricing
5+
$1.60
10+
$1.30
25+
$1.20
100+
$1.15

Price
$2.95
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Quantity
• Connectors: 5.5x2.1mm Female Barrel Jack, USB Micro-B Male

Use a 5V 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 5V barrel chargers that you have lying around.