xl4015

My objective was to spend as little as possible. I bought a XL4015 dc-dc buck regulator on eBay. It has a voltmeter with two switches for disp. off and in/out volts. I ran a 2s1p 850 ma lipo 25c into it scrounged from quadcopter. The EGO connector was scrounged from a dead battery. The fire sw...