There is enough excess electrical power on aircraft to run an iPad or 50 so batteries aren't a problem. If the pilot, co-pilot and loadmaster have ipads, then 1 or 2 of them failing wouldn't endanger the mission.
"Also the guy is an idiot. Don't just make a statement, issue a challenge, like "If god existed he would strike me with lightning". That makes for a much more entertaining court trial."
Until some fundy judge sends you to the electric chair because his god "told" him to smite you with lightning.