Castle Creations CC Bec Pro 20A 12S Switching Regulator<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Max Voltage for R/C Cars is 8S (33.6V)</li><li>Max Voltage for R/C Airplanes is 10S (42V)</li><li>Max Voltage for R/C Helis (with brake disabled) is 12S (50.4V)</li><li>Output voltage can be changed via Castle Link (sold separately) from 4.8V to 12.5V.</li><li>1.69" (43mm) x 1.3" (33mm) x 0.94" (24mm) ， Weight (w/o wires): 1 oz (29 g)</li><li>Max Input: 12S LiPo (50.4V)</li><li>Max Output Current: 20 amps peak</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51CCvVG2dmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41fgvefSOtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51cgeFWYh5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bvJwYI9pL.jpg" noproxy>