From October 26th, 2010, if battery products would get CB certificate, in addition of testing as to UL 1642, it needs other tests to make sure the products meet with standard IEC 62133. After special transition period, from June 27th, 2011, IEC 62133 would take place of UL 1642 completely, and the battery products need meet with requirements of IEC 62133 only to get CB certificate.