bad batteries = bad e-torque units?

[RAMTEXAS]

can someone who is knowledgeable clarify on this theory?
do bad/low batteries lead to premature failure of the e-torque units?
if not then what are some safety precautions to take in order to increase the longevity of the e-torque units?

 

[mikeru82]

There are actually two main components to the etorque system, a belt driven motor/generator unit and a 48v battery module. As there is no traditional alternator, the 48v battery module is what charges the main 12v battery, so if your main battery isn’t being charged you could have a problem with the 48v module. I guess theoretically a bad 12v battery could cause issues with the 48v battery module if it’s constantly trying to charge it. You can test your 12v battery if you suspect it’s going bad. I don’t know of any way to test the 48v battery module though.

There really aren’t any precautions to take to make either the MGU or the 48v module last longer that I’ve read about.

 

[RAMTEXAS]

As there is no traditional alternator, the 48v battery module is what charges the main 12v battery, so if your main battery isn’t being charged you could have a problem with the 48v module. I guess theoretically a bad 12v battery could cause issues with the 48v battery module if it’s constantly trying to charge it.

hmm this makes sense for the most part