Or flying "recharge" stations where appropriately sized drones carrying a new set of batteries (not necessarily all of them) would dock with the aircraft, push

Or flying "recharge" stations where appropriately sized drones carrying a new set of batteries (not necessarily all of them) would dock with the aircraft, push the new batteries into a receptacle while taking the old ones on board, then separate from the plane and land to the closest ground station for recharging until next plane to service.