How to prevent battery from dying in storage??

[evanpeters14]

I'm going to be putting my 2023 Forester as well as my girlfriend's 2021 Crosstrek into a storage unit while we are away for 2 months and am trying to figure out how to make sure our batteries aren't drained so our cars start when we come back. We've left them in storage for 1 month before with no issues but we're a little nervous not having them running/sitting in storage for that long. Anyone have any ideas/tips? Have seen that disconnecting one of the battery terminals can help reduce the drain or was considering trying to remote start the car every few weeks. Any advice would be great!

 

[Howard]

Remove the negative battery cable.

 

[Lou O.]

Howard is correct.
Or, install a battery tender trickle charger...

 

[Dick Foster]

Howard is correct.
Or, install a battery tender trickle charger...

This. Do both.

 

[pa9213]

They are right. I call it a battery maintainer. I use them on everything that has a battery. They work very well.