Because many adapter part No. match several dc connector size, please don't choose adapter according to adapter part No.If you are not sure whether this adapter works for your laptop pc, please leave order message of your laptop model or ask us before order, thanks ! Because AC power cord is not included in adapter order, If you also need power cord, please click and buy the below power cord together. Item Specification: Input : AC 100~240V 50/60Hz (for worldwide use) Output : 19.5V 6.15A Max Wattage: 120W DC Connector Size: As picture Status: Brand new, Free 1 years warranty Features: 1. Output short circuit protection. 2. Over-voltage overload filter protection. 3. Using imported components, high reliability. 4. Good anti-interference performance. 5. DC ripple is small and work efficiency is high. 6. Low operating temperature and long service life. 7. Good insulation performance and high electric strength. 8. With short circuit, overload, over voltage protection. 9. Full load high temperature burning machine, 100% aging test. 10. Wide input voltage range, in line with global usage standards. Who to choose us: 1. 100% testing before shipment 2. 100% brand new. 3. Intelligent and safety. 4. Long enough Cable 5. Guaranteed quality. 6. 30 Days Money Back Guarantee/12 Months Warranty We 100% check and test every product by equipment before shipment. Compatible with Part No.: 644699-001 644699-003 645156-001 ADP-120MH B HSTNN-DA25 PA-1121-52HH Compatible with Following Models: Find by Ctrl+F For HP Pavilion 24-ca0000 24-xa0000 All-in-One For HP Pavilion 27-ca0000 27-d0000 27-xa0000 All-in-One For HP Pavilion 23-h000 23-h100 TouchSmart All-in-One For HP Envy 23-o000 TouchSmart All-in-One 23-O014 For HP Envy 24-n000 24-n100 24-n200 Touch All-in-One (Not all models listed, if you can't confirm, you can contact us!) Package Included: Included: 1 x AC adapter Photos: