Parameters
Wavelength:445nm 447nm 450nm
Recommended working voltage:3.7V lithium battery (16340,18650,14500 and 18500 powered), or directly using a 5.5V DC power supply
Circuit control:5.5V boost circuit
Reverse Polarity Protection:None
Diameter:9x20mm
This is a power supply driver for 445-450nm 1W 1.4W  laser diodes!
Widely use in industrial and LAB !
QSP protection: with soft start protection, even if you frequently switch on and off the power supply, it will not cause damage to the laser diodes.
Pin definition: the PCB board shows positive and negative wiring schematic.

Package
1pc 1w 1.4w 445nm 450nm Blue Laser Diode Driver Board Circuit 3.7V 9X20mm

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