Power Specs- Input: 110-240V 50-60Hz; Output: DC 18V-20V/3.5A Max. NOT SUPPORT LAPTOPS OVER 65W. Multi-Tip Compatibility- M4: 18.5V for HP; M5: 19V for Asus/Acer/Toshiba; M6: 19V for Samsung; M8: 19.5V for Sony; M9: 19.5V for Dell; M11: 20V for Lenovo/IBM; M12: 18.5V for HP; M13: 19V/20V for Toshiba/HP/Dell; M18: 19V for Asus/Acer/Samsung; M19: 19V Asus; M20: 19V for Acer/Gateway; M21: 19.5V for HP; M22: 19.5V for Dell; M27: 20V square for Lenovo; M28: 18.5V for HP. Replacement Laptop Charger- Universal Laptop Charger compatible with 65W 45W 40W laptop. Safety & Durable- The advanced circuit board with safeguard features against short circuit, over voltage, over heating. Keep high-speed charging and automatic voltage adjustment feature. GUARANTEE- 30-Day Money Back Guarantee/ 12 Months warranty. Package included: 1x 65w 45w universal laptop charger; 15x tips; 1x manual.