19V4.74A 4.5 3.0mm Laptop Power Supply for HP

The power adapter of the notebook/computer system itself is mainly divided into three parts: 1. Power supply for each chip of the system, 2. Battery charging power, 3. LCD backlight power supply. 

The relationship between these three parts is shown in the figure below.
Note: The direction of the text indicates the direction of the current. The relationship between the control elements of each part of the laptop adapter is as follows: 1. Power adapter charger part of each chip of the system; 2. Battery charging power charger part; 3. Liquid crystal display backlight power supply part

Production features:

-- Yidashun's 19v 4.74a 90w dc 4.5*3.0mm laptop power supply fits for HP COMPAQ ENVY PAVILION TOUCHSMART FAMILY 90W. 

--COMPATIBLE PART NOS 710413-001, 710414-001, ADB019, 709566-001

-Yidashun is a professional laptop adapter manufacturer, and has 10 years' experience to develop and produce the laptop adapter, and all the alaptop adapters are complete power and amp.

--With 1 year's warranty to support our customers. 

--Normally the length of ac cable and dc cable is 1.2M and 1.5m normally, but Yidashun can support customers with customized 1.8m, 2m and 3m etc

--With more protection to protect our laptop, such as over current protection, over load protection, short circuit protection and over heat protection! etc. 

Production specificates:

AC Input: AC 100V~240V(AC 95V~265V), 50/60Hz

DC Output: 19V 4.74A 90W

DC Tip: 4.5*3.0mm

Efficiency:>85%

Ripple Noise: below 150Mvp-p

DC cable standard:0.5mm2 Pure Copper 

DC cable length:1.2m or can be customized

Operating Temperature:0°C ~40°C

Operating Humidity:5%~95%RH

Storage Temperature:-20°C ~85°C

Storage Humidity:5%~95%RH

Warranty:2 years

Certificate:CE, ROHS, REACH, FCC, ERP, CB, GS, TUV, UL, CUL, CCC,PSE

MOQ:100pcs

Our products range including replacement ac adapter for all brands such as apple ,dell, hp/Compaq, Microsoft ,IBM/Lenovo, Sony, Toshiba, Fujitsu, Gateway, Liteon, Delta, NEC, LS, LG and so on. 

Company information:

Shenzhen Yidashun Technology Co.Ltd, founded in 2007, is a professional manufacturer dedicated to producing and sale of laptop adapter, universal laptop adapter, 12v 24V desktop adapter for LED/CCTV, AC DC power adapter, wall adapter, metal case switching power supply for LED/CCTV, USB charger, car charger,usb wall socket,extension socket , power cable,usb cable etc electronical accessories.  

Professional test:
For all our laptop ac adapter, we have a series of professional test from raw material~unfinished and products~finished products to control the quality seriously, each adapter make 100% checking and testing before delivery out.

Package information:

Safe packing, brown box or color box packing can be customized

Inner box size: 19*13*4.7 cm

PCS/CTN: 50PCS

Carton Size: 48.5 x 32 x 40cm

With many years of market experience, we have gained the trust of a wide audience. All our laptop adapters have passed CE FCC ROHS UL CUL ETL CB certificates with full 1 year and 2 years warranty. 

Welcome to visit our factory and the worldwide exhibition in USA, HK, Germany, Brazil, Russia etc