Question: What is NiCd, when Type is "Capacity under 500mA constant drain"?
SQL: SELECT "NiCd" FROM "2-1592019-1" WHERE "Type" = 'Capacity under 500mA constant drain';

Question: What is Li-FeS 2, when Type is Nominal voltage?
SQL: SELECT "Li-FeS 2" FROM "2-1592019-1" WHERE "Type" = 'Nominal voltage';