PC-12
Flight Crew Flight Instructor; Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 100; Flight Crew Total 7300; Flight Crew Type 1900
Other / Unknown; Situational Awareness
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Became Reoriented; Flight Crew Rejected Takeoff
Aircraft; Human Factors
We were cleared for takeoff on an IFR flight plan. When we began the takeoff roll I noticed that the battery was showing a discharge. We elected to abort the takeoff and check it out. It looks like we inadvertently had turned off generator 1 at some point. We reset it and ran the checklist. The battery was then charging properly and we elected to takeoff which was done without further issues.
PC12 Captain reported noting during the takeoff roll that the battery was discharging and elected to reject. Generator 1 was found to be turned off.