Disclosed are systems for exchanging batteries of an unmanned aerial vehicle (“UAV”). In some embodiments, a system may include a battery holding tube that is located on the UAV and that includes a first end with a first opening and a second end with a second opening and a battery loader configured to cause a battery to move into the battery holding tube through the first opening in a direction parallel to the center axis of the battery holding tube, wherein the center axis of the battery is parallel to the center axis of the battery holding tube, and cause the battery to move out of the battery holding tube through the second opening in a direction parallel to the center axis of the battery holding tube, wherein the center axis of the battery is parallel to the center axis of the battery holding tube.