1. We provide 1 year warranty.

2. Normal Production according to the sample that confirmed by customers or customer's instruction.  So please do give us right and confirmed instruction as well as check the sample carefully before you confirm. 

3. Should you need any assistance with product problems please feel free to contact us.You will receive a prompt reply from us

5.Reliability:

•  1)Heat-resistance: The 16v yamaha keyboard adapter shall be stored at a temperature of 55+/-2 °C for 16 hours. Then No distortion and (Storage) it shall be subjected to standard astrospheres conditions for 2 hours,

•   2)Heat resistance: The 16v yamaha keyboard adapter shall be placed at a temperature of 25+/-2 °C and operating at No abnormity (Operation) full load for 4 hours. Measurement shall be made.

• (3)Cold-resistance: The 16v yamaha keyboard adapter shall be stored at a temperature of -20+/-2 °C for 16 hours. No distortion and
• (Storage) Then it shall be subjected to standard astrospheres conditions for 2 hour, No function error after which measurement shall be made.

• 4)Cold-resistance: The 16v yamaha keyboard adapter shall be placed at a temperature of 0+/-2 °C and operating at No abnormity (Operation) rate75% full load for 4 hours. Measurement shall be made.

• 5)Body surface temp: at a entironment temperature of 23+/-2 °C , 100VAC/2.0A load ≤65°C For 2 hours, measure central section of sueface  (thermoelectric couple method)

• 6) M.T.B.F: 50K Hours At 25°C With 80% Loading No abnormity
• 7) Life : Average Life Expectancy Or 3 Years

6.Photos:

 7.about us:

Our  company is the professional manufacturer and specialized in power adapter of laptop,CCTV camera,tablet, Pos printer,router,mobile phone ,car charger etc.

8.testing :

9.package: