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2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
2004 - 2007 V70 R
2001 - 2007 XC-70
2001 - 2009 S60
2003 - 2007 S60 R

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Rattnalle
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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by Rattnalle » Sat Dec 30, 2017 2:59 pm

I just checked my battery receipt for my replacement battery two years ago.

I fitted the largest battery that would fit into my V70 with the original fittings. It's 354 mm long by 175 wide and 190 high and is a 88 Ah 735 CCA unit. It would seem to be group size 49 in the US system.
Last edited by Rattnalle on Sun Dec 31, 2017 5:57 am, edited 1 time in total.

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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by 93SCMax » Sun Dec 31, 2017 5:27 am

jimmy57 wrote:
Sat Dec 30, 2017 2:41 pm
10 years is an eternity for a car battery actually. The only ones that go that long do not have the battery in the engine compartment and the nicer climate of the cargo area is the prime reason they last longer there.
jimmy57, in general, I would agree with you, but there are always exceptions to the generalization. I have a 2006 GMC Canyon with the original OEM battery. Battery is in the engine compartment. It is unusual that this battery is still functional at 11-12 years old, but she cranks every time.
The other information you shared is greatly appreciated, and very useful.

I also dug up the receipts for my Volvo battery replacements...PN 3077221-5, H6 size/group, 600 CCA. Was standard for most of the early P2 V70's and S60's. Not sure if this is what size you need for your newer V70.

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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by Rattnalle » Sun Dec 31, 2017 5:57 am

Sounds standard for the petrols. The compartment holds a much larger battery for the diesels.

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Thoughts from this thread

Post by Georgeandkira » Sun Dec 31, 2017 8:18 am

1) My '07 V70 base has 2 holes available for the battery-hold down clamp. The H6 employs the hole for the smaller battery. I do not know if the second hole is for an H7 of H8.

2) An "H system" for sizing European batteries is news to me. I thought the H stands for "Handle"....perhaps "Heavy"? I also remember G-48 batteries being specced for the Saabs. It's not too important but Group sizing is simple enough so I wonder why (or if) it's being changed.

3) Now-a-days you MUST get a coupon before you buy a battery or else you'll pay 20% to 40% more than you have to.
I bought (pre-paid on Advance Auto website for in-store pick-up) a neighbor's 3 year free replacement G-35. The website honored a 20% coupon and a $20 off $100 promotion.

The math: Battery w/ NJ sales tax = $141. Battery w/ discounts and NJ sales tax = $99.99.

It is advisable to call ahead and make certain the store you're using has your battery in stock.
Several near me did not (nothing new there) but this AAP is a particularly good one as it was once a competent speed shop and got all the accounts when AAP took over.

4) Regarding AGM batteries: Doesn't the charging system have to be tailored to efficiently charge AGMs?

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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by jimmy57 » Sun Dec 31, 2017 8:41 am

93SCMax wrote:
Sun Dec 31, 2017 5:27 am
jimmy57 wrote:
Sat Dec 30, 2017 2:41 pm
10 years is an eternity for a car battery actually. The only ones that go that long do not have the battery in the engine compartment and the nicer climate of the cargo area is the prime reason they last longer there.
jimmy57, in general, I would agree with you, but there are always exceptions to the generalization. I have a 2006 GMC Canyon with the original OEM battery. Battery is in the engine compartment. It is unusual that this battery is still functional at 11-12 years old, but she cranks every time.
The other information you shared is greatly appreciated, and very useful.

I also dug up the receipts for my Volvo battery replacements...PN 3077221-5, H6 size/group, 600 CCA. Was standard for most of the early P2 V70's and S60's. Not sure if this is what size you need for your newer V70.
I agree that generalizations are often proven wrong. I can say that I have never seen an original battery in an 11 year old GM truck in my shop in TX. I have seen exceptions for vehicles with low miles that have been cared for well. I have seen batteries over 10 years old in Buick LeSabres and other chassis related models with the battery back in trunk. Also have seen the CHRYSLER corp. models with battery in front of left frt tire go a long time. I have gotten exceptional life out of batteries by twice yearly 48 hour or more low rate charging. 10 years is usual with this practice with some going a couple years longer. My 2004 V70R had its original battery when I got it in 2012 with 180K miles. I replaced the battery a few months later as I needed an electric gate battery and I decided the car got the new battery and the gate got the hand me down. That battery is working fine for the gate and has passed 14 years since the car's build date.

P2's will all hold an H8 but the last hole is not drilled and provided with a welded in nut on many. I think that my have stopped in 2002. Someone unchecked "put nut in all floor panels" in the robots instruction set. You can drill the hole and slide an 8mm-1.25 nut under there and use the largest battery if those steps are done.

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Re: Thoughts from this thread

Post by Rattnalle » Sun Dec 31, 2017 9:22 am

Georgeandkira wrote:
Sun Dec 31, 2017 8:18 am
1) My '07 V70 base has 2 holes available for the battery-hold down clamp. The H6 employs the hole for the smaller battery. I do not know if the second hole is for an H7 of H8.

2) An "H system" for sizing European batteries is news to me. I thought the H stands for "Handle"....perhaps "Heavy"? I also remember G-48 batteries being specced for the Saabs. It's not too important but Group sizing is simple enough so I wonder why (or if) it's being changed.

4) Regarding AGM batteries: Doesn't the charging system have to be tailored to efficiently charge AGMs?
1. It should be H8/Group 49.

2. I've never heard of the "H system" in Europe so it seems strange if it's used for european batteries :)
Never heard of the other Group Sizing-system on this side the ocean either for that matter.

4. Doesn't have to but perhaps to get the full benefits. You'll still get the increased resistance to discharge and capacity for quicker charging with regular voltages.
jimmy57 wrote:
Sun Dec 31, 2017 8:41 am
P2's will all hold an H8 but the last hole is not drilled and provided with a welded in nut on many. I think that my have stopped in 2002. Someone unchecked "put nut in all floor panels" in the robots instruction set. You can drill the hole and slide an 8mm-1.25 nut under there and use the largest battery if those steps are done.
Both my -00 S80 and my -04 V70 have had the hole there and threaded ready to use. Both petrol cars (170 hk NA and 2.5T respectively). The first made in Sweden the second in Belgium.

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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by abscate » Sun Dec 31, 2017 10:49 am

Battery life is an elusive concept. Just ask Apple,

A battery that is down to 10% capacity will start a warm climate Car , but one look at winter and it’s a paperweight.

We generally want to use our cars year round. My 5 year old battery cranked after 3 days at 0-5F but it’s not like new. Probably needs replacing next winter
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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by Durenol » Wed Jan 03, 2018 5:34 pm

OK... so my test came back as expected: despite driving it for a couple hours, after letting it sit for a week it fails to start the car again.

It's currently out and connected to the charger again, which initially read 3 amps but dropped to 2 after a couple minutes where it's holding steady for now. The only thing written on the battery aside from warning labels is:

Capacity C20
70 Ah

Cold Cranking Amps
600 A

Reserve Capacity
120 min

V022A

There's nothing that I can see that indicates any "H" value/class/type, or anything about a group rating. I'm having trouble finding a 3rd party replacement battery with these same numbers that also has the weird vent tube hookup thing on the side. Can anyone help?

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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by Durenol » Wed Jan 03, 2018 5:47 pm

jimmy57 wrote:
Sun Dec 31, 2017 8:41 am
P2's will all hold an H8 but the last hole is not drilled and provided with a welded in nut on many.
When I took the battery out this time I checked this: the "bar over the top" bracket has only one position, but the "foot" bracket has four (all functional). Numbering from smallest to largest, #1-3 are about an inch apart, but #3 and #4 are about three inches apart. This battery was using position #3.

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Re: 2007 XC70: think I need a new battery. How do you test/where do you buy replacements?

Post by jimmy57 » Wed Jan 03, 2018 6:21 pm

I have no idea what stores you have available as you have no location in profile. All the parts stores have them on their sites, Costco carries them, and two different farm store chains have them. They listed the different sizes but the specs will not align with the Ah numbers on the OEM battery. Some of them were listed as grp 46, 47, 48, and 49. Others had them by the alternate for Euro batteries of H5, H6, H7, H8. any of those batteries has the vent system.

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