4680 may refer to:4680 (number) 4680s (decade), and the year 4680 AD/CE IBM 4680 OS, a POS operating system based on Digital Research's Concurrent DOS 286 since 1986 Round One Corporation, a Japan-based amusement store chain 4680 Lohrmann, an asteroid 4680, a size of cylindrical rechargeable lithium-ion battery cell