5.5 x 2.1 mm male to 4.0 x 1.7 mm female DC Power Connector Adapter Laptop 5.5 x 2.1 to 4.0 x1.7DC power conversion head

5.5 x 2.1 mm male to 4.0 x 1.7 mm female DC Power Connector Adapter Laptop 5.5 x 2.1 to 4.0 x1.7DC power conversion head

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