While painting the house last week, I was rockin' the tunes from my car. Next day, back at it I cranked 'er up again. After an hour or so, the sound starts cutting in and out, so I go and fiddle with the knobs.(red to make it easy) No help. Next I try to start the car. Clickity, clickity, click...

 

ive gotten about 8 hours before while camping... not sure how long you had it going the first day. i usually will start it and let it run for 15 or 20 minutes around every 5 hours or so if i use it all day. it will recharge the battery i assume you already knew this tho. i thought the car had what was called battery rundown protection. but i never seen or experienced it with the HHR

 

I think the battery rundown protection has to do with lights being on, either interior or exterior (headlights). I've noticed that when vacuuming my HHR's interior that the dome lights turn off automatically after 10 minutes or so if the doors are still open. I'd assume that the headlights will turn off automatically if left on after the vehicle's been shut off.

 

are you guys serious? I get about 30 min out of mine before it won't start. The battery checks out on a load tester... strange.

 

Most of the new cars will kill the battery pretty fast anymore. Just depends on condition.

Just think what it will do in a GM car with a 40 gig hard drive and video head rest.

 

very serious! it was on like 75%-80% volume too. i think my battery is still the original. (bought my car used)

 

Yeah, you should definitely get a few hours of radio before it kills the battery. I've done it a number of times. But all day is another story.

 

That is why my camping trailer has a deep-cycle battery. That can last for a weekend or so. Last month I came out of Home Depot and somebody was asking for a jump because they left their interior lights on while shopping. Only about one hour killed their battery.

 

Wasn't it determined here before that the differences in time on battery was dependant on which stereo system you had???

The prem sound with sub woofer and amp obviously bleeds down more power, especially when turned up.

 

You mean there's a point in time I'm supposed to turn it down?