I just checked the battery in there..it's a AAA group 47 no vent hose at all..I bought the car 7yrs ago from a local Chevy dealer ..battery has no signs of failing but I don't want to get caught with my pants down

 

If you think the price of a regular HHR battery is too high, wait till you start pricing an AGM one.

 

I agree.
Corvettes too had batteries in the interior.
I'm sure other manufactures did also, but with insurance companies and all the legal BS today I guess that's why.

 

[QUOTE=Rakkasan925;905178]What is group AAA 47? Never heard of that.
Take a picture and post it.

 

[QUOTE=Cat Man HHR;905182]Its a battery put out by AAA insurance...they have roadside battery installation... It's their house brand on a name band battery

 

"Now I see" as the blind carpenter picked up his hammer and saw.

 

I had an AAA group 47 battery installed, when my OEM battery died in 2011, it died in 2018, so 7 years of service.

 

Look closely on you 47 battery, many have the hole on the ends for a vent. They don't always come with the straw.

 

But you have to deal with the core charge and service desk PIA but if you hit it at the right time...
47 series with the venting

 

Mine is a group 47 AGM. Perfect fit. From Sears. Sam's Club used to have them too.