488 AntiGravity Battery Issues - Help? - Start/Stop HELE System

Hi everyone,

My dealer is telling me they are having issues installing the Antigravity battery into the Pista. Apparently the OEM battery has a connector of some kind on it.

Has anyone dealth with this before? Would really love some help on this one!

Here's the OEM battery. That connector doesn't exist on the Antigravity battery.

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Dealer is telling me the error will trigger the "smart alternator" not to charge the battery though.

 

Yes, the bigger opening is the vent, which doesn't need to be used on the AntiGravity battery. But the other plug (the one that the tech is pointing to) is connected to a cable

 

Yep, going to give them a ring in the AM when they open up. They close up shop at 4PM, so I couldn't catch them today when the dealer called.

Hoping I'm not the first to try putting this battery on a Pista though -- seemed like there were so many posts/threads with people recommending it!

 

The kind folks at AntiGravity confirmed: AntiGravity H6/Group-48 does NOT work with the '20 488 Pista

Once again, let my expensive lesson be your money and time saved. The support team was incredibly helpful -- I just wish they had this information more publicly available so as not to waste their customers time & money.

 

Just went with OEM. I kept the bluetooth tracker from AntiGravity in there to help me data collect a bit.

 

Yes, the incompatibility is due to what sounds like a LIN connector to a sensor inside the battery pack. It’s unclear if the signal that comes from the battery is simply voltage vs. voltage + additional data like temperature, data on different cells within the pack (assuming multi-cell pack), etc.

I confirmed with the AntiGravity tech that this is a known issue with McLarens for quite some time as well, as you pointed out. It sounds like they are now learning (via my calling them) that this is likely an issue on newer Ferraris as well. Not sure about older Pista years.

As much as I’ve tried avoiding it, I’ve ultimately ran into issues related to being the first “guinea pig” to try different things related to exhaust, battery, dash cams, etc. I’ve learned a lot, and I try my best to document things especially if it becomes an expensive lesson!

To close this out, it seems the battery sensor is used to calibrate the battery. From what I can tell in the workshop manual, the calibration is to watch the battery voltage drift against temperature over several hours while the car is off and disconnected from the battery tender.

Here are photos of the issues that arise if you do not connect that sensor.

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