6.2 Standard Cycle (SC)6.2.1 Purpose The purpose of the standard cycle (SC) is to ensure the same initial condition for each test of a battery pack or system. A standard cycle (SC), as described below, shall be performed prior to each test. This test applies to battery packs and systems. 6.2.2 Test procedures6.2.2.1 General The standard cycle (SC) shall be performed at RT. The SC shall comprise a standard discharge (SDCH), see 6.2.2.2, followed by a standard charge (SCH), see 6.2.2.3. If, for any reason, the time interval between the end of the SC and the start of a new test is longer than 3 h, the SC shall be repeated. 6.2.2.2 Standard discharge (SDCH)6.2.2.2.1 High-power battery pack and system