My car is a 2015 and still has the original battery, so it has lasted a long time. Today, they put it on the testing machine and it barely passed the test. So, I need a new one very soon. The shop tells me Interstate, I lean towards Porsche and I see that Porsche has some new version Porsche AGM 80 Ah Battery. Then, there are the lightweight batteries. If someone suggests one of those, what are the downsides if any? Thank you.

 

Antigravity...no downsides except maybe for cost

 

+1 Antigravity Put one in my GT3 when they 1st came out and they are great. Cost is very competitive with other LI batteries and their customer service is great. The battery is programmed to always have 1 start left even if it sits with out trickle charger and that is now accessible with a remote.

 

Antigravity hands down, Scott's Team is amazing!!! I have the H6 24 Ah-

https://antigravitybatteries.com/products/starter-batteries/automotive/ag-h6-rs/

Manuel

 

You can reach chad@antigravitybatteries.com

 

If you don't want the expense of a Li based battery, Optima makes some AGM batteries with excellent cranking power and a significant weight drop from the stock battery.

 

If you have the dough AG or OEM is cool if not Interstate or AC Delco is fine.

 

The battery will save enough juice to power up the car with one of the 2 FOB's that are included with the battery.

Manuel