Brand: for HP
Model: 19V 4.74A
19V4.74 90W Laptop AC adapter for HP with high quality
1)Factory whole,competitive price
2)Trustworthy Personality
2)High quality,Grade A
3)CCC CE FCC ROHS certificate
4)OEM
5)Usage:laptop

Technical Parameters,
1. Input voltage range:AC100-240V,
2. Input voltage Frequency:47-63Hz.
3. Output voltage:19V.
4. Output voltage adjustable rate:5%.
5. Rated output current4.74A
6. Current output area:0-5A
7. Output ripple & noise:100mVp-p
8. Working efficiency:75-80%
9. Output short-circuit protection.
10. Protection for overvoltage, overload&filtration
11. Working temperature:0°C~+50°C.
12. Storage Temperature:-20°C~+85°C
13. Import component, higher Reliable performance
14. Higher antijamming capability
15. Small DC voltage ripple,higher Working efficiency.
16. Low Working temperature,long servicing life
17. Broadly input voltage range, meeting worldwide standard.
18. Great Electrical insulation, higher resistance to electricity.
19. Protection for over-load, over-voltage&short-circuit
20. Full high temperature burning machine, 100% aging test