Why some LED can use for few years but why some spoilt as fast as few days!!!
LED lighting is make up of 2 important parts, the LED bulb and Driver (Term used in the industry referred to the transformer that convert the defector input voltage to a lower setting that are able to drive the circuits to power up the LED diodes).
Assume the LED bulbs used are normal grade, then it is the Driver's quality that determine the usable duration of the LED lightings.
Are all Driver the same?
No. There are many grade of LED DC driver's in the market. Due to the big gap in the price difference between good, normal and lousy Driver's in the market, most of the seller will buy the cheaper Driver to have a cut in the price to sell the lights to the end user. That is why some LED are warranty 3 mths, 6 mths, 1 year, 2 years, 3 years or more.
Thus, it is important to get the LED lightings from a reliable source