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Doesn't the car need to be in lithium mode so that it doesn't overcharge the battery?
First to answer you question. Our Lithium Battery operates within the same range as a Lead/Acid Battery so NO Car, Truck, or other vehicle using 12v systems will overcharge our battery, its a drop in replacement. So there is no need to worry about over charge. Only if your system was faulty/broken could something be over-charged and our battery has protections that would cut-off the voltage to the battery if it saw and over-charge level of voltage coming from the car into the battery so its safe there also.
I don't think I posted this video here yet, but if you want to learn about our batteries you will get some education here.... it will get you a good understanding overall of the batteries...
Yes, interesting for sure...the tracker does do software and firmware updates occasionally and I'm wondering if that might be the case here were it simply won't be able to provide a reading during the reboot but will certainly check with our App developers to get a better idea of what might be happening.
Best regards,
Chad chad@antigravitybatteires.com
11 day interval for a SW/FW update is a bit concerning for me as I'm about to install this battery. Will the restart feature knock it out if this condition If it happens to occur late at night, in the woods in Crystal Lake, on Jason Vorhees day?
11 day interval for a SW/FW update is a bit concerning for me as I'm about to install this battery. Will the restart feature knock it out if this condition If it happens to occur late at night, in the woods in Crystal Lake, on Jason Vorhees day?
Hi MVEED3..I'm not sure what you mean by an 11 day interval as the tracker is working during this period with the exception of those dips on the specific days? Apps are generally updated after revision updates to the software running on mobile devices so you'll see it periodically. In regards to the battery, the battery itself is not controlled in any way by the tracker as it's a separate module but the voltage displayed is holding fine so it's never actually going down far enough where it would trigger the sleep mode needing the restart function so no worries there and you'd be safe from Jason, Freddy, or Michael..pending the day and location of course.
My car was ordered without lithium thus the default setting is lead acid. I confirmed this in Piwis. For anyone concerned about discharge/drainage I wouldn’t worry. I literally let the battery sit for 6 months in the box and it started stronger than my lead acid battery has at the first startup.
Regarding the dips, one appears during driving and the car didn’t do anything odd or have any errors. As mentioned by AG I suspect it’s related to the battery tracker software related and I agree. Still no faults and going strong.
So it seems if someone tracks their car frequently, we should have piwis change to the lithium setting. If the voltage is set at 13.8 instead of 14+, then it should be much less likely to aggravate the BMS.
So it seems if someone tracks their car frequently, we should have piwis change to the lithium setting. If the voltage is set at 13.8 instead of 14+, then it should be much less likely to aggravate the BMS.
Hey Jeff, and all,
Please Note: NOTHING IS EFFECTING THE Batteries' BMS AT ALL...... I"m not yelling, just stressing a point..... I just don't want this going down a Rabbit Hole that is not accurate.
Any dip in voltage reading that the Battery Tracker shows IS NOT from the Battery itself. It would be in the Battery Tracker NOT in the Battery. The Battery Tracker is simple, cost effective Bluetooth device that tracks the voltage of the Battery.... but it can have hick-ups occasionally in it operation or reporting of data if the connection is not perfect. For example if there is electrical interference, or if the phone does something odd..... This is just the nature of a Bluetooth connection its a near field wireless monitoring device. It is quite accurate but not perfect at all time because it is not hardwired to your vehicle battery. If you need 100% accuracy and monitoring they have data acquisition products for your car that are hard wired to your vehicle so there is no opportunity for interference from you phone signal or operation. But the Battery Tracker is an excellent tool for what it is intended for.
Now about the BMS in the Battery.... you are never going to see drop outs of any voltage or have any interference occurring in the battery at all.... UNLESS your car has had a complete failure of the voltage regulator, and started spiking very high voltages, and that is rarely if ever going to happen. The latest generation of our BMS are set in a way that they will not interfere at all unless it is a very alarming level of an over-charge condition. Nor will the battery be interfered with by the Battery Tracker or any other outside source. Nor will the voltage be going on and off, as I said that was the Battery Tracker just hiccuping.
I"m making this post because I saw that there was a misconception that the Battery Tracker was some how involved with or creating problems with the Battery, or that the Battery itself we going up and down in voltage. This is not the case whatsoever. The Battery cannot be interfered with UNLESS it senses real and extreme indications of over-charge, over-discharge, or over/under temperature conditions, or a short circuit within its BMS circuit board. The Battery track is just a external device that cannot produce voltage or anything that would interfer with the battery. In fact the Tracker needs the battery to supply it voltage. If the Battery Tracker reports some drop out... that is solely just the Battery Trackers having a hiccup.
Last, even if you tracked at 9000 RPM and the voltage was raised to 15.5v the whole time our battery wouldn't flinch at all..... just want to make that clear.
Last edited by Antigravity; 09-15-2020 at 04:22 PM.
I mean doing HPDEs or personal track days with your Porsche, on a race track. Yes lots of high RPM driving and heat here in Texas. Regular street driving puts far less demand on you car.
I think Scott has explained all these issues quite well, and we can put this potential problem to bed as far as it is concerned with our Porsches. They have been through numerous iterations of BMSs and associated software to make sure their batteries will work under all conditions in our cars. Its that one in a thousand condition that pops up rarely when the car gets finicky and aggravates the battery. Again, adjustments to the BMS to widen the parameters under which it can function have cleared up the few apparent faults from the past. Just like Porsche, Antigraity constantly refines their products to make them better.
My comments about the PIWIS adjustment are not mandatory. For those who want even a little more potential voltage clearance though from ever having an over voltage scenario, it might give you some extra piece of mind. It could be done at delivery by the dealer while they are already in the PIWIS system doing your delivery prep.....if it is even in the software for the GT4. I will find that out in a few months. A lower charging voltage will put less drain on the motor and likely increase your power output by a few ponies. The alternator may run a little cooler too. All good things.
Can't wait to get my new car and add the H-6 Battery for a 30+ pound weight loss.
Last edited by lovetoturn; 09-16-2020 at 02:46 PM.
I've been having problems since installing the Antigravity battery in my GT4 last week. I maintained power via the OBD port when the old battery was pulled but the car still fired up with a 'Steering Support Restricted' error. It would also not reset via the full lock to full lock method. I then cleared it with the PIWIS but it returned almost immediately when driving. Then cleared it with my Cobb Tuner, since I had that handy, and while the error was initially gone, it popped back on while I was idling. I did not even drive or turn the wheel. Attached is the BMS screen when that happened. Thoughts on how to cure?
I've been having problems since installing the Antigravity battery in my GT4 last week. I maintained power via the OBD port when the old battery was pulled but the car still fired up with a 'Steering Support Restricted' error. It would also not reset via the full lock to full lock method. I then cleared it with the PIWIS but it returned almost immediately when driving. Then cleared it with my Cobb Tuner, since I had that handy, and while the error was initially gone, it popped back on while I was idling. I did not even drive or turn the wheel. Attached is the BMS screen when that happened. Thoughts on how to cure?
Jake, best to always call use then we can walk you through some stuff. Antigravity Batteries 310 527 2330 Open 7am to 4pm Mon-Fri....
This is a fairly rare issue but we need information and then can offer suggestion on what could be causing it. When the Cars are showing lack ot steering or Power steering issues it is based on the Voltage the Car is reading... but keep in mind the Battery Tracker showing 14.x v does not mean the Battery itself is at that voltage if you are driving... becasue the battery clamps may be charging from the Alternator but the Battery is not up to that voltage itself yet. Anyway the flags are usually 2 reasons one is the there is a lower voltage than normal or the voltage is bouncing off the upper level of its protections. But give us a call and we can look at it.
I will certainly call on Monday if I can not find a solution before then but it would also be nice to have a working car for the weekend. I also think this will help others, so posting here is important.
I just data logged voltage at the DME against engine RPM and took a short drive. The error comes on maybe 10 seconds after start-up while I am still at idle. The data looks consistent at idle (I inserted markers for the first reading so you can understand the data):
Note, these are NOT sequential readings. I sorted the data from low to high and then high to low so these are just various points throughout the drive. While voltage seems high closing in on 16v, the error light was already on long before this happened. Again, it happens at idle.
@Antigravity, any thoughts that can help me this weekend before your customer service hours open again on Monday?
I will certainly call on Monday if I can not find a solution before then but it would also be nice to have a working car for the weekend. I also think this will help others, so posting here is important.
I just data logged voltage at the DME against engine RPM and took a short drive. The error comes on maybe 10 seconds after start-up while I am still at idle. The data looks consistent at idle (I inserted markers for the first reading so you can understand the data):
Not sure why the error would occur at idle given these values? Min voltage during idling and the drive was 13.66, which also seems OK.
Voltage did seem high on part of the drive though:
16:24:50.2488332 VOLTAGE 15.91 RPM 3232 16:24:50.5601825 15.91 3264 16:25:35.2298440 15.7 2592 16:24:50.9030879 15.6 3328
@Antigravity, any thoughts that can help me this weekend before your customer service hours open again on Monday?
These higher voltage that I think I'm seeing in the 15.5v range and above will trigger the protection circuitry.... it appears you have some voltage in the high 15s v and those will trigger our battery to kick in protections to knock down that voltage.... so our protections clip the voltage at a certain point which makes the car think the voltage is unsteady. So if I'm reading in your text correctly there are several times the voltage are going into the 15.7 and above range. So that is an issue for sure because that is and over-charge condition from the Car. So our battery won't allow that... then that in turn would throw flags.
"Voltage did seem high on part of the drive though:
16:24:50.2488332 VOLTAGE 15.91 RPM 3232 16:24:50.5601825 15.91 3264 16:25:35.2298440 15.7 2592 16:24:50.9030879 15.6 "
I'm sorry but we can't really do much over the week end. My only suggestion would be to try to get it a full charge, then also try driving with no accessories on..... then with all the accessories on and see if there is any change. We'll talk to you on Monday and may try swapping a battery out... but voltage in the 15.5v range and above will definitely kick on the battery's protection thus making the car think there are voltage fluctuations and throwing a flag. We have seen this in some GT4s... but certainly it not often. So we raised the limits in the BMS and that seem to repair it for most all the GT4s... But this is odd to see again. We'll want to know when you bought the battery and some other things..... So we'll talk on Monday and look at some options....
Last edited by Antigravity; 11-22-2020 at 12:43 PM.
09-09-2020, 03:39 PM
