Diameter ： 20mm

Working voltage： 2.5-4.2V constant current suitable for 18650 26650 etc.

Function： Single mode ／ Anti-reverse connection (the negative pole of the battery will not work)

Power ：   350MA 1W 1W high power LED

                  700MA 2W R2 1-3W Universal LED

                  1050MA 3.2W 3W LED 

Accept development and customization, please consult us directly .

Direct E-mail : namic@kunlaelec.com