I am looking to replace my old converter, a Magnatek 950-2, to a new one with the 4 stage battery charger. I have removed the old one and also removed a separately housed large capacitor ( about 2x4...
The capacitor is part of a filter to to away with electrical noise. Otherwise you would get a lot of hum through the radio and TV. It also helps to clean up the power charging the battery. You will not need it.