I have some reservations about the PC 680 being close to capacity starting a 390, and wondering what itís service life is likely to be. How old (years and flying hours) was your battery?
RV-14A Builder - kit #136
N314KC - First flight Mar 8, 2017, Phase I compl Apr 3, 2017, >180 hrs
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 11/2017