Embodiments of a portable propulsion facilitation device and system for a marine vessel provide a rechargeable power source and a removable trolling motor mounting base securable to a marine vessel. In various embodiments, the power source employs rechargeable batteries that are secured within a cover. The device can include an access door that permits a user to access the power source when removal or replacement is necessary. The power source can be maintained within a housing of a trolling motor or one or more housings secured to the mounting base. In various embodiments, the mounting base is integrated with, or attachable to, one or more tubes, wherein the tube(s) can be secured and/or placed in a traditional fishing rod holder or other opening on the vessel. A trolling motor can be secured to the mounting base.