The case against synthetic voltage by John Beech | Sunday, September 25, 2016 | 1 comment(s) Background: ProModeler servos are rated at 7.4V (nominal voltage for a 2S LiPo pack under load), However, it's widely known that fresh off a charge, the output of a 2S LiPo may approach 8.4V. Thus,... no categories. Read More