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PKPOWER Smart Pin Laptop AC Adapter Charger For HP N136 N18197 Power Supply Cord 18.5V - Walmart.com
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12 Volt Adapter 3 Amps | Power Supply Adapter | Center Pin Plug | 12 Ac Dc Sony | 6.5*4.4 Lg - Ac/dc Adapters - Aliexpress
Lite-an 18.5V 3.5A 65W Power Adapter For HP – Global Chargers
power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange
HP® USB-C Travel Power Adapter 65W (X7W50AA#ABA)
Amazon.com: SLLEA AC/DC Adapter for HP Pavilion DV7-1468NR DV5-2074DX G62-404NR N136 N18197 G62-407DX (Note: with OD: 7.4mm Plug tip and Smart Center pin Inside it.) : Electronics
