The price of LED power supply is affordable and close to the people, but the quality of the power supply has a lot to do with the quality of the brand. waterproof led power supply，So, how to identify the quality of LED power supply?
Transformer: The appearance of the transformer should be bright, brittle and dense. A good transformer has pores on the back, which can ensure the efficient use of the LED power supply.
Use of power supply: Generally, the quality of LED power supply is good, ordinary LED power supply can be used very well, and the use efficiency is also very high, but the quality has a lot to do with the manufacturer. The passing power of the power supply should be appropriate.
The quality identification of led power supply can be distinguished by the quality of the transformer and the passing power of the power supply. If necessary, please refer to the above introduction when purchasing
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