1W 445nm blue laser diode driver

It can driver 1W 445nm laser diode

Driver specification
Input voltage :3.7-4.2V
Input current :1.6A
Output voltage:4.8V
Output current:1.1A
Size:10*22mm

Reverse protection: protection of the unique reverse design, careless but you do not worry about the battery discharge burning plate

Polarity Definition: The module housing is positive, negative end of the pad, welding, motioning to refer to this link