The board of county commissioners shall provide for the storage of electronic or electromechanical voting systems and electronic poll books. The county election officer shall be in complete charge of the voting systems and electronic poll books, their safekeeping when not in use and keeping them in repair and working order and shall see that they are delivered to the voting places in time for all arrangements to be made and for the voting systems and electronic poll books to be ready for use at the hour of opening the polls. After the election the county election officer shall see that the voting systems and electronic poll books are returned to the place of storage, or are secured for on-site storage.