Choose correct power adapter for laptop - it is important & easy!
DD90X
HP 65W Yellow Pin Laptop Charger, Output Voltage: 18.5 V, Input Voltage: 100 - 240 V
12v 19v Dc Laptop Charger Car | Car Laptop Charger 20v | Notebook Power 12v - 120w - Aliexpress
19.5V 2.05A 40W Laptop AC/DC Adapter Charger For Netbook HP Mini 110 110-3030nr 110-3135dx 626028-001 A040R01AL-HW01 | IT Online
Selectable voltage "laptop" style power supplies 90 watt, 120 watt and 120 watt AC Switchmode power supplies, with user adjustable output 12V, 15V, 16V, 18V, 20V, 21V, 22V or 24V.