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Hornethandler · 03-13-2024, 07:24 PM

Yes. The engine needs to be running for the alternator to supply charging power to the battery. The voltage measured at the jump posts should be between 13/14 volts DC.

03-13-2024, 07:24 PM	#4
Hornethandler Enlisted Member 35 Rep 34 Posts Drives: 2023 M850i; 2019 MB SL450 Join Date: Jan 2024 Location: Nova Scotia iTrader: (0)	Yes. The engine needs to be running for the alternator to supply charging power to the battery. The voltage measured at the jump posts should be between 13/14 volts DC.
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