Putting truck on battery tender for storage

[ROC]

Well it’s almost that time here in nj. Our winters here are long and salty, I don’t want that brine stuff they are spraying on the roads now to rot my truck away so I plan on parking my gladi for the winter in my shop and have a question maybe someone can answer. I am going to plug
The truck into a battery tender so I don’t have any issues come spring, will the tender also charge the auxiliary battery at the same time? I’m curious because I have a Mercedes’ sl that has two batteries as well and the tender keeps both of them charged but I don’t know if it does the same for the Jeep..thanks.

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[Mr._Bill]

It will keep them both charged.

 

[gmarcucio]

I have a 2021 Gladiator Rubicon and we basically only use it when we need a truck. I've had it almost a year now and have 1,000 miles on it. Whenever it's parked in my garage, I always keep the battery tender on it. Sometimes I won't start it for 3 weeks, so I want to make sure both batteries are maintained when not in use. I hear a lot about the auxiliary battery going bad in the Gladiator, so I keep the tender on it all of the time it's not in use.

 

[Casique]

Similar situation here. Had the JT since May 2021, and has 4000 miles. I use the Battery Tender any time the JT is parked for more than 3 days. So far so good...

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