Originally Posted by howard

Problem is most people dont have a clue how long the engine has to run to fully charge a battery and think that a 15 minute run is enough. In reality if your battery is half charged it will take hours running to get it to full because the charging current drops of sharply as the battery voltage rises.


I suspect that this is less of an issue with modern alternators. There are a number of references to modern charging systems on TM recently.


Paul
Costock, UK
2014 4/4 Rolls Royce Garnet Red
Disco 5
Teddy - 17h1 Irish Draught cross