2 Stage Rechargeable LED Circuit - 18650 Battery Charging Module

2 Stage Rechargeable LED Circuit - 18650 Battery Charging Module, the module is fed by an AC 9-12V transformer. The module has battery charging functions. When the slide switch is in its lowest position, it charges the 3.7V battery that you will connect to the "B+" and "B-" parts. In the middle position, the LED lights up at 50% brightness, and in the top position, the LED lights up at 100% brightness. You can use the module in your rechargeable LED projects or to charge 18650 batteries. The length of the LED cable is 10cm.

Connection:

AC1 and AC2: 9-12VAC Transformer connection
B+ and B-: 18650 battery connection
Switch first position: LED turns on at 100% brightness
Switch second position: LED turns on at 50% brightness
Switch third position: 3.7V battery charging mode< /LI>

Features:

Supply Voltage: AC 9-12V Transformer
Led Function
3.7V Battery Charging Function
Plate Size: 30x23mm