HP Laptops Smart Charger

HP Smart Charger pinout

Solution for workshop	Solution
Use any power supply as hp smart charger.	It is necessary to have a suitable connector, the picture shows a connector from older models, the newer one has a smaller connector, the pinout is the same on both models, you just need to put a 330k resistor between + 19v and Sense for the laptop to recognize the charger power source you can use any voltage of 19v 3-4 A, or bench power supply.