Dell uses the 1-Wire protocol ... The demo shows off a 90 W adapter pretending to run at 65 W. With this working, you could power the laptop from any supply that can meet the requirements for ...

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Right now, when you order the Dell XPS 15 Laptop through the manufacturer, you’ll save $300. At full price, this model sells for $1,300.

Here are some of the best 3 pin laptop power cable adapters available on Amazon ... The company claims it should be compatible with HP, Dell, Lenovo, Sony Vaio, Toshiba, Wipro, LG, Asus, Samsung ...