Description:
100% Brand New and High Quality
1W 2W 3W 445/520nm Blue laser drive circuit board 12V 3A step-down constant current circuit.
Specification:
1.Dimensions:10.2 * 22mm(W*L)
2.Circuit control:5V buck circuit,constant current output.6-14V power supply to ensure stable output.
3.Reverse polarity protection:Unique reverse polarity protection design,do not worry about the battery
polarity reverse making PCB board burnt.
4.Pin definition: especially designed for 445nm driver board, you need to weld LD pins to the PCB as per our
instruction.
5.Polarity definition: module casing is positive,tail of PCB is negative.
Notice:
In order to ensure safety, it is recommended to use good-quality 2pcs of 3.7V lithium batteries
(16340,18650,14500 and 18500 battery), do not use low-quality batteries, or you can use 6-14V direct power
supply.
Package Included:
1x 445nm 520nm 1W 2W 3W Laser Diode Drive Board