The inventive subject matter relates to hollow carbon nanospheres as a material for making ion storage material, and particularly lithium ion storage material used for batteries. According to one implementation, when a new data request is received, a determination is made as to whether a companion relationship should be established between the new data request and an existing data request. Alternatively, or in addition to the PLCs, other communication networks, such as the Internet and local area networks, may be used as part of the communications infrastructure for the chargers. An anti-rotation member is associated with the dilator andor the sheath, which prevents the dilator from rotating relative to the sheath as the rotatable fastener is rotated, and also included are means which allow a user to overcome the anti-rotation features without damage to or inadvertent separation the sheath. A continual record is kept of all \u201cNo-load\u201d and \u201cstart-up load\u201d time during the recording process and these figures are totalized along with tonnage for the recording period.