Rich Mickol

I have a 2007 Coupe. Picked it up in Oct 2006. Since day one, its been hooked up to a Battery Tender Plus.

Last week, I had it out for a long ride. (100 miles). Got home, hooked it up and it took 5 hours to reach 80%. Another couple hours and it was fully charged again.

Battery is five years old and as of next month, no more roadside assistance.

I'm thinking about another OEM but I'm open for suggestions.

Thanks.

saplumr

4-5 years is about average. On the flipside if it's not broke don't fix it!

rchbn

Cheap peace of mind, replace with OEM. That's what I did after my battery died after 5 years. I had never heard of a battery tender until I bought a Vette!

5 hours to get to 80% should tell you something?

C-INRED

I picked up my '06 coupe in December of '05. It now has 40,000 miles and the battery is still going strong. It is also on a battery tender when not driven for two weeks or more. I have no plans to replace the battery.

I recently traded a vehicle (not a Vette) that I had owned for 7 years and had 120,000 miles and still had its original battery.

crazyeddie

I've had batteries in a C6 go with no warning. Learned my lesson. When I bought my new to me 2009, it had been in service 36 months and had 9300 miles. The first thing I did was put a new OEM battery in it, as above cheap peace of mind. eddie

Larry/car

You never know, I had a new battery fail after just two weeks. It was replaced under warranty.

Gman in NC

My original went just over six years on the battery with no tender hooked up. Replaced it with another AC Delco and 'good to go'. If you don't drive your car daily I'd wait until you get some warning (hopefully at home).

Mad*Max

I'm changing the original on my 07 next spring unless it goes before then. I will put in an Energizer.

Doodledog

Mine just died. 3.5yrs old (just out of warranty, and no I did not by an extended) with 37,000 miles on it. DD from April to Oct so no charging then but battery minder from Nov to Mar.

dpigguy

Just replaced my '08 after 4+ years (built in '07). Used a tender for the last 3 years. Replaced with OEM.

An observation - if you consider a long ride as being 100 miles, you need to get out more! A 100 miles just gets me to the store and back

John in MD

I replace my batteries every 4 years, even if they are still showing a good charge. The batteries they have now seem to work fine right up until the day they die. It used to be a battery would give you plenty of warning that it was going bad - the car would start cranking slowly.

A while back I had a battery start the car fine, drove it to the store and when I got out the battery was dead - the battery was just under 5 years old. My folks had a battery die at a rest stop after driving for hours. They had to wait a couple hours for AAA to show up.

So I'd rather replace it when it is convenient for me rather than waiting for it to leave me stranded somewhere inconvenient.

John

TonyFaub

Why not just drive to your nearest favorite parts store and have them do a free load test? If it passes, great, free confidence, if not, you're at the right place. They usually have good OEM knockoffs in stock for $100, no wait like the stealership, and will change it out for free.
I am a big fan of battery tender junior, have 2 of them, and I've been able to get batteries to last up to 9 years.
It's too easy to "plug em in" when you park in the garage for more than a day or two. Green light, GO!

widgetsupply

If you are wondering if you should replace the battery, you probably should.

Steve D

My '08 C6 has just over 12k miles on it. Basically a weekend ride and always garaged.

I checked the battery last week and the positive terminal is covered with white / green corrosion.

Guess it's time.

rchbn

I don't know what you paid for the car and don't care but did a delta percent comparing $25,000 to $100 = 99.6%. So for .4% of what your car is worth at these numbers I really think it's cheap peace of mind as I stated in an earlier post.

CO Lightfoot

Get new fob batteries, too.

C-INRED

You get plenty of prior warning on those. When you can't unlock the door until you're close to the car it's time.

Thrash

Yep, don't pull that trigger until that one morning when your door won't open. Then get the best one you can ...

wide one

just changed mine yesterday. It's a 07 w/ 22k. purchased from Oreily's for $104.

bolivar

I've posted this before, but a Group 47 is the same length x width size and just about 1/2 to 3/4 inch taller than the stock Group 90 (for a 2007). It might interfer with removing the cabin filter. Which would be what, ever few years you look at the filter, so you would have to losen the battery to pull the filter. Wally-World has Group 47, but not Group 90. At about $88.