![DC power Adapter Connector Plug DC conversion head jack female 4.5*3.0mm plug to male 7.4*5.0mm with Pin for Dell Laptop|Connectors| - AliExpress DC power Adapter Connector Plug DC conversion head jack female 4.5*3.0mm plug to male 7.4*5.0mm with Pin for Dell Laptop|Connectors| - AliExpress](https://ae01.alicdn.com/kf/Hfd868de3201d44b5a08279445b1ecb5bG.jpg)
DC power Adapter Connector Plug DC conversion head jack female 4.5*3.0mm plug to male 7.4*5.0mm with Pin for Dell Laptop|Connectors| - AliExpress
![1.5m Eu Universal Laptop 3-pin Charger Plug Power Adapter Cord Cable For Hp Dell Toshiba Sony Asus Lenovo Samsung Notebook - Pc Hardware Cables & Adapters - AliExpress 1.5m Eu Universal Laptop 3-pin Charger Plug Power Adapter Cord Cable For Hp Dell Toshiba Sony Asus Lenovo Samsung Notebook - Pc Hardware Cables & Adapters - AliExpress](https://ae01.alicdn.com/kf/He22a0ba1c326417bb4fe6eab3d1e4133i/1-5M-EU-Universal-Laptop-3-pin-Charger-Plug-Power-Adapter-Cord-Cable-For-HP-Dell.jpg)
1.5m Eu Universal Laptop 3-pin Charger Plug Power Adapter Cord Cable For Hp Dell Toshiba Sony Asus Lenovo Samsung Notebook - Pc Hardware Cables & Adapters - AliExpress
![For Dell three-hole notebook power adapter DC5.5*2.1 to 3 hole/pin male plug DC power connector converter for Dell laptop - AliExpress For Dell three-hole notebook power adapter DC5.5*2.1 to 3 hole/pin male plug DC power connector converter for Dell laptop - AliExpress](https://ae01.alicdn.com/kf/H5817993ca06f4e33a416bf2041954b82E/For-Dell-three-hole-notebook-power-adapter-DC5-5-2-1-to-3-hole-pin-male.jpg_.webp)
For Dell three-hole notebook power adapter DC5.5*2.1 to 3 hole/pin male plug DC power connector converter for Dell laptop - AliExpress
![power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/iPsc1.jpg)
power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange
![Wendry 5Pin to 4Pin Adapter Cable, 5Pcs 4Pin Extension Cable Interface Connector Converter Dedicated, Fan Adapter Cable for DELL Dedicated Fans Wendry 5Pin to 4Pin Adapter Cable, 5Pcs 4Pin Extension Cable Interface Connector Converter Dedicated, Fan Adapter Cable for DELL Dedicated Fans](https://m.media-amazon.com/images/I/51T-H34B-aL._AC_UF1000,1000_QL80_.jpg)
Wendry 5Pin to 4Pin Adapter Cable, 5Pcs 4Pin Extension Cable Interface Connector Converter Dedicated, Fan Adapter Cable for DELL Dedicated Fans
![UPBRIGHT NEW 3-Pin DIN 5V 5A Global AC / DC Adapter Fits Motorola Radio 5VDC 5 Amp Power Supply Cord Cable Battery Charger 3 Prong Connector Mains PSU (Input: 100 - 240 VAC Worldwide Use) - Walmart.com UPBRIGHT NEW 3-Pin DIN 5V 5A Global AC / DC Adapter Fits Motorola Radio 5VDC 5 Amp Power Supply Cord Cable Battery Charger 3 Prong Connector Mains PSU (Input: 100 - 240 VAC Worldwide Use) - Walmart.com](https://i5.walmartimages.com/asr/3f62081b-54b8-4396-81f1-1dfd058e2b6c.7588bb32057c76eda09f28a5e811974e.jpeg)
UPBRIGHT NEW 3-Pin DIN 5V 5A Global AC / DC Adapter Fits Motorola Radio 5VDC 5 Amp Power Supply Cord Cable Battery Charger 3 Prong Connector Mains PSU (Input: 100 - 240 VAC Worldwide Use) - Walmart.com
How does a Dell laptop charger with a pin of the same wattage & specs which fits perfectly into an HP not work because it knows it is not an HP charger
![Amazon.com: Pocaton 5Pin Female to 4Pin Male Socket Connector Jack PWM Cooling Fan Power Cable Compatible with DELL PC : Electronics Amazon.com: Pocaton 5Pin Female to 4Pin Male Socket Connector Jack PWM Cooling Fan Power Cable Compatible with DELL PC : Electronics](https://m.media-amazon.com/images/I/51Dpwu-F3IL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pocaton 5Pin Female to 4Pin Male Socket Connector Jack PWM Cooling Fan Power Cable Compatible with DELL PC : Electronics
![power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Uaob5.jpg)