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      04-10-2021, 11:48 PM   #1
rich5741
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Battery Jump Starter

Does anyone know if the lithium ion battery jump starters are ok to use to jump start the X7s with mild hybrid systems (like the 2021 40i). Something like this:

https://www.amazon.com/dp/B015TKUPIC...ing=UTF8&psc=1

The manual for the charger says to only use with cars with Lead Acid batteries. I didn't see anything about it in the X7 manual.
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      04-11-2021, 08:27 AM   #2
Jakerx
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The mild hybrid X7s still have a 12v AGM battery for starting. The 48v battery system disconnects when you open the hood, so using this jump starter is perfectly fine.
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      04-11-2021, 10:40 AM   #3
Rublezz
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I've used Gooloo battery jump starter. Very good quality.
I've started 4.5TD engine with almost dead batteries and 2.5TD without battery at all. Petrol engines are much easier to start.

https://www.amazon.com/GOOLOO-18000m...wxjyZ3wK-D1wRL
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