Method for supplying of energy sources to an unmanned vehicle, comprising transfer of batteries between slots of the unmanned vehicle and an external charging device and back, with charging thereof in the external charging device, characterized in: - integrating the batteries into motorized units, which are designed to autonomously move between the slots, enter the slots and leave them; - where movement of each motorized unit is performed by forming and controlling a path of its motion to the destination slot, wherein each path of the motorized unit comprises a sequence of at least two different states, selected from a group, comprising: - a transit state, in which said motorized unit is being moved between the slots; - a state of alignment, in which the motorized unit is being aligned its position relative to the slot, within which it is located; - a connected state, in which the motorized unit is fixed in the aligned position relative to the slot, within which it is located, and possibility of energy transfer between an energy circuit of the slot concerned and the batteries integrated into the motorized unit is provided; and - a fixed disconnected state, in which the non-moving motorized unit in the disconnected state is present; wherein the motorized unit ends its path in the connected or fixed disconnected state in the destination slot; - providing the unmanned vehicle with energy sources is performed by at least one motorized unit with fully or partially charged batteries integrated into it, and which motorized unit is in connected state in the slot of the unmanned vehicle; - charging of the integrated batteries is performed in the motorized unit, which motorized unit is in connected state in one of the slots of the charging device, being the device external relative to the unmanned vehicle. - integrating the batteries into motorized units, which are designed to autonomously move between the slots, enter the slots and leave them; - where movement of each motorized unit is performed by forming and controlling a path of its motion to the destination slot, wherein each path of the motorized unit comprises a sequence of at least two different states, selected from a group, comprising: - a transit state, in which said motorized unit is being moved between the slots; - a state of alignment, in which the motorized unit is being aligned its position relative to the slot, within which it is located; - a connected state, in which the motorized unit is fixed in the aligned position relative to the slot, within which it is located, and possibility of energy transfer between an energy circuit of the slot concerned and the batteries integrated into the motorized unit is provided; and - a fixed disconnected state, in which the non-moving motorized unit in the disconnected state is present; wherein the motorized unit ends its path in the connected or fixed disconnected state in the destination slot; - a transit state, in which said motorized unit is being moved between the slots; - a state of alignment, in which the motorized unit is being aligned its position relative to the slot, within which it is located; - a connected state, in which the motorized unit is fixed in the aligned position relative to the slot, within which it is located, and possibility of energy transfer between an energy circuit of the slot concerned and the batteries integrated into the motorized unit is provided; and - a fixed disconnected state, in which the non-moving motorized unit in the disconnected state is present; wherein the motorized unit ends its path in the connected or fixed disconnected state in the destination slot; - providing the unmanned vehicle with energy sources is performed by at least one motorized unit with fully or partially charged batteries integrated into it, and which motorized unit is in connected state in the slot of the unmanned vehicle; - charging of the integrated batteries is performed in the motorized unit, which motorized unit is in connected state in one of the slots of the charging device, being the device external relative to the unmanned vehicle.