Antigravity Batteries updates their lightweight Lithium-ion battery offering with three new options featuring wireless jump start (9.8 lbs)

[Sticky]

And that is correct, the 30Ah option should be April where the others will be likely within a week.

In time to make the BoostAddict 1/4 mile drag day in May, perfect.

[Sticky]

That's a tall order, 200 lbs....

Battery - 35
Exhaust - 15
Racing seats - 70
Pull rear seats - 25
Sunroof delete - 100

Nah...

[quattr0]

Forgot about racing seats. I wonder what a carbon roof would cost lol

[Sticky]

Forgot about racing seats. I wonder what a carbon roof would cost lol

Doesn't the GT3 have a factory carbon roof panel? Or is the GT2 RS panel magnesium? Either way, Porsche has them...

[quattr0]

I wouldn't go w Porsche as it's $$$. I'm sure you could get it done at well known shop for less. The GT3 cf hood is already $18k. Forget about it!

[Sticky]

I wouldn't go w Porsche as it's $$$. I'm sure you could get it done at well known shop for less. The GT3 cf hood is already $18k. Forget about it!

Oh I know was just saying we have factory lightweight roof options.

I'm happy to just ditch the heavy glass and replace it with a standard panel.

[Flinchy]

They just added a 60ah option btw

I'm still tossing up which to get, 30, 40, 60 ��*♂️

[Sticky]

They just added a 60ah option btw

I'm still tossing up which to get, 30, 40, 60 ��*♂️

Let's ask. @Antigravity Batteries

[Flinchy]

Let's ask. @Antigravity Batteries

My brain says "get the 60ah, it makes sense as it matches up with the 60ah AGM profile and barely weighs more!"

My heart says "get the 30ah it weighs AND costs less" hahahah

[Antigravity Batteries]

Hey all... yes we do now offer a 60Ah Version of the Batteries for the H6/Group 48 and H7/Group94r sizes.


But honestly you don't really need that unless you have alot of extra accessories or want you car to be able to sit about 3 months or more without putting it on a charger. It would also be a better option if you are driving or at or below freezing weather, or just want those extra Amp Hours.


We have tested the the 30Ah and 40Ah a ton.... and Yes we make a 24Ah model but that is if you have a staight up Performance Car that you don't mind putting on a maintenance charger regularly and looking after it a llittle more since it is lower Capacity. Keep in mind all our new batteries have WIRELESS built-in Jump Starting... so you will always be able to start the car again, or get into your frunk even if you left the lights on or a stereo on accidently. So that is a cool feature.... but we don't want you using the built-in Jump Starting as a regular feature... so you should buy the right size battery that would allow you about 6- 8 weeks of the car sitting in storage and not needing to be put on a mainatainer.


So usually the 30 Ah and 40Ah versions are the go to batteries for mostly street use. If you have a GT3 then they has a slightly lower Parasitic draw than the Turbos ( I'm talking 991 varients) so the 30 is a good option for the GT3... and the Turbo which usually has heated seats and such might be better with a 40Ah. But both will work. We know that the 991s and later have a VERY LOW parasitic draw on them, where as the earlier 996 and 997 have a higher parasitic drain on the batteries. OUr GT3 RS can sit for over 2 month in our 2016 GT3RS and easily start the vehicle 2 months later. If you have Cameras, or Radar detectors that stay on they can reduce that time... so be aware of that. With extra accessories you want more Amp Hours since even a small cigarette lighter charger can draw significantly on any battery.


Any other questions let me know.

[Flinchy]

@Antigravity Batteries for me specifically it's an 09 135i, no options bar park sensors, no cameras/accessories on whilst parked, just a GoPro when driving, no idrive, radio will be removed etc.

Won't be regularly street driven (sometimes but very much not daily) and will be on tender most of the time.

My only concern is how it'll play with the IBS for maximum longevity since I don't want to inadvertently reduce the life? I tried to look up other people's experiences, but it seems like even in the M3 world, lithium batteries are a relative rarity.

I gathered that generally coding to 60ah AGM is the best idea, is turning it off entirely a terrible idea?

So for me would there be any downside going with the 30 or 40 over the 60? I feel the 24 might be a little small but yeah I really don't know. And the IBS?

[Antigravity Batteries]

I don't believe you'd be able to turn off the coding but the IBS should work hand in hand with that and not be an issue at all...if you're stripping some of the accessories out then I do think you can certainly go smaller than the 60AH, for sure a 40, maybe a 30 but..the downside as you've asked is strictly just capacity..we don't recommend leaving the lithium batteries long term on chargers as they do not need to be maintained the same way lead/acid options do with tenders but more so just to charge when needed...one thing that will play a part in this as well is what kind of level of parasitic draw you have..is that something you've measured?

[Flinchy]

I don't believe you'd be able to turn off the coding but the IBS should work hand in hand with that and not be an issue at all...if you're stripping some of the accessories out then I do think you can certainly go smaller than the 60AH, for sure a 40, maybe a 30 but..the downside as you've asked is strictly just capacity..we don't recommend leaving the lithium batteries long term on chargers as they do not need to be maintained the same way lead/acid options do with tenders but more so just to charge when needed...one thing that will play a part in this as well is what kind of level of parasitic draw you have..is that something you've measured?

It has a "0" value, whether it works or not I'm unsure and I doubt anyone has ever done it. Should do.

If you say it shouldn't be an issue, that's good enough for me - really my only concern is damaging the battery in any way, given the cost and all.

Leaving the battery on charge is bad? So more.. put the charger on for a day a week ir so s a good idea?

Haven't measured it, no, may do so before deciding. Definitely leaning towards the 30 or 40 now if the IBS Won't be an issue at all

Thanks.

[Antigravity Batteries]

Hey everyone, just a reminder to let you know there will be specials running all weekend for the Holiday.

www.antigravitybatteries.com