This is a 3D printed adaper with printed cardboard box designed to look like the original PP1 battery. This adapter takes 4 AA batteries (not supplied).
Replica Ever Ready PP9 Battery Adapter for Transistor Radios
Replica Ever Ready AD28 Battery Adapter for Transistor Radios and Bardic Lamp
Replica Ever Ready PP7 Battery Adapter for Transistor Radios
Ever Ready 5318 Vintage Radio Octal
Vintage Ever Ready Sky Baronet Valve Radio, 1950s, FREEPOST
Berec Fiesta Vintage Radio - Ever Ready Export