led circuit board/driver * 5 mode: high/medium/low/SOS/strobe * single layer board/driver * suitable for DIY * high current

Factory Supply 5 Mode Memory Circuit Board/LED Driver for XML T6 

 led circuit board/LED driver* 5 mode: high/medium/low/SOS/strobe* single layer board/driver* suitable for DIY* high current- can reach to 3A when voltage is full at 4.2V

* with memory function

* voltage: 3.7V~4.2V

* sample wired for your reference if for a large order

Factory Supply 5 Mode Memory Circuit Board/LED Driver for XML T6