LICAP large ultracapacitor cells are rated at 2.7V and come in 3000F, or 1200F sizes.  Our proprietary cylindrical can design is an industry standard 65mm diameter with Axial lead configuration.  The can assembly process ensures a robust connectin of the electrode and a reliable welded hermetic seal.  We offer Threaded Post versions (ATP), or Laser Weld versions (ALW).  Please refer to the datasheets for additional specifications.