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It depends on how much power it is, the current price is very messy, generally 36W is more than 100 yuan, and the quality is more reliable.
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Look at what quality, garbage of 8-90. The better ones are 120-150
Not every company has LED lights of this size, and then, the wattage of this size specification may not be consistent, so it is better to analyze the specific lamps and lanterns. Melkite ceiling small class
Your situation is generally not the problem of the lamp beads, the problem may be in the drive. Components in the drive may have poor contact and other problems. It is also possible that the wire splices are not tightly connected, and the contact may be good or bad.
150-200, depending on the brand. However, now some big brands are basically OEM.
How to repair the LED lamp? Collapse spring high.
It depends on the connection method of power and lamp beads to know whether it can be used universally.