AMC7135 1400mA Regulated Circuit Board for DIY Flashlights 20-Pack
5W 1400mA (+/- 10%) Regulated Power Output - 4 x AMC7135 IC on each chip - High quality base connection board (see Hi-Res pictures) - Reverse input polarity protection (won't burn out if battery is installed the wrong way) - 17mm diameter base 3mm overall depth gold plated circuit board - Suitable for Lumiled and Luxeon K2 emitters (Cree XR-E SSC ZPower not recommended as output current is dangerously high for those emitters) . Recommended input voltage range: 3.6V~4.5V (such as 3xAA and 3xAAA batteries)