Beside Basic sets and TECHNIC sets, the 4.5V standard was used for motorization of the first electric LEGO Trains which marked a long era from 1966 to 1986. The 4.5V standard was later used for battery powered DUPLO Trains.
| Entity | Attribute | Value | Rank |
|---|
![[RDF Data]](/fct/images/sw-rdf-blue.png)
