[Note:We'll recommend you to use limited current power to drive this COB led with good heatsinks & fan to cool it.]

Here is the link of our DC0-60V 8A 480W Transformer:  https://www.ebay.com/itm/183700735555

Here is the link of our DC0-220V 0-70A 1000W Transformer: https://www.ebay.com/itm/185772867519

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Product Parameter of 300W(150CW+150WW):

1: High power LED chip 150W cold white + 150W warm white

2: Size: 38*38 mm

3: Temperature: 2700K-6500K

4: Voltage (V): 52-56 volts

5: Current (mA): 2.8Ax2, 5.6A

6: Luminous flux (LM): warm white 11000-13000lm / cold white 13000-15000lm

7: CRI Ra 95-98.

8: Operating temperature :-30-60℃

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Product Parameter of 600W(300CW+300WW):

1: High power LED chip 300W cold white + 300W warm white

2: Size: 54*54 mm

3: Temperature: 2700K-6500K

4: Voltage (V): 60-64 volts

5: Current (mA): 4.8A*2, 9.6A(Max)

6: Luminous flux (LM): warm white 25000-26000lm / cold white 30000-31500lm

7: CRI Ra 95-98.

8: Operating temperature :-30-60℃