![SIKER 65W HP Laptop Charger, Power Adapter Cord for HP Envy 14 15 Elitebook Pavilion Probook Spectre and More (4.5mm X 3mm): Amazon.co.uk: Computers & Accessories SIKER 65W HP Laptop Charger, Power Adapter Cord for HP Envy 14 15 Elitebook Pavilion Probook Spectre and More (4.5mm X 3mm): Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61tp3xvWOnL.jpg)
SIKER 65W HP Laptop Charger, Power Adapter Cord for HP Envy 14 15 Elitebook Pavilion Probook Spectre and More (4.5mm X 3mm): Amazon.co.uk: Computers & Accessories
![What are the positive and negative on this cable? It looked like a circle inside of a circle when I cut it open. The small end also has some metal in it. What are the positive and negative on this cable? It looked like a circle inside of a circle when I cut it open. The small end also has some metal in it.](https://i.redd.it/t2yozxu7iz771.jpg)
What are the positive and negative on this cable? It looked like a circle inside of a circle when I cut it open. The small end also has some metal in it.
Can I use an HP charger (or any other brand charger) for my Dell laptop if the watts, volts, amps, and size are all the same? - Quora
![HP Laptop Charger 45W, 19.5V 2.31A 45W Charger Power Adapte Cable for HP Stream 11 13 14, HP Pavilion 11 13 15, HP Probook, HP Elitebook, 719309-003 721092-001 741727-001: Amazon.co.uk: Computers & Accessories HP Laptop Charger 45W, 19.5V 2.31A 45W Charger Power Adapte Cable for HP Stream 11 13 14, HP Pavilion 11 13 15, HP Probook, HP Elitebook, 719309-003 721092-001 741727-001: Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61QqMKRsM1L.jpg)
HP Laptop Charger 45W, 19.5V 2.31A 45W Charger Power Adapte Cable for HP Stream 11 13 14, HP Pavilion 11 13 15, HP Probook, HP Elitebook, 719309-003 721092-001 741727-001: Amazon.co.uk: Computers & Accessories
Advice required for simple Laptop Power Supply ID-Sense circuit | Electronics Forum (Circuits, Projects and Microcontrollers)
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