Quote:
Originally Posted by dj92
My battery seems to be the original one and if that's true, it's 4 years old and has no problem with cranking at all.
I'm curious how the flow heater I'm going to integrate (controllable via PWM, theoretically up to 250A, but I don't want to blow the alternator fuse nor one of its rectifiers, so I'll run it at about 110A) will affect the remaining lifetime :D
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The OEM PTC heater is only a 40 A heater. The OEM alternator is only rated at 70A, so you really don't want to exceed that or you will quickly drain the battery.