Boyer power box 12V Negative earth Lucas E3 Dynamo Regulator PBOX00312 CPC UK
£103.50
A dynamo that has been rewound for 12 volts will start charging at a lower RPM and will work well with this unit. Four dynamo units are available - 6 volt positive earth, 6 volt negative earth, 12 volt positive earth and 12 volt negative earth.
