Newbie Battery query

[Julian987]

Hi

New owner of 6months (2012 R) and the battery needs replacing. RAC did their best to resurrect it. 

In advance of waiting for stores to open after the bank holiday, may I ask is Porsche my best bet to get a genuine replacement one from or is their really not much in it between a Porsche battery vs a Bosch (or like minded price).

 

if your answers are it makes no odds, then presumably I need:

 

110 

12v

80ah

380a

 

And am I right to assume genuine Porsche batteries only are available from Porsche dealerships, as from searching for my existing dead battery online nothing seems to come up in searches at all.

 

Best regards 

Julian

 

 

 

 

 

[Julian987]

And if not to get a Porsche battery, which of these would you recommend that AA suggest, and are they accurate results? 

I ask as what is the difference between the 2? other than 10 extra CCA for £120 more?

 

Yet on RAC results it suggests 

 

Bosch 115 AGM Car Battery 12V 80Ah 

https://www.racshop.co.uk/bosch-agm-battery-115-80ah-800-cca-l315-x-w175-x-h190-01-b13.html

at 250, whereas on Amazon it is £150 

 

https://www.amazon.co.uk/Bosch-092-S5-110-Rechargeable-Starter-Rechargeable/dp/B00PUDPLOC/ref=sr_1_1?dchild=1&keywords=Bosch+115+AGM+Car+Battery+12V+80Ah&qid=1617577332&sr=8-1

 

Which would you recommend?

Best regards

Julian

 

 

 

 

[extanker]

i would go with a brand name up graded after market over the porsche taxed oem .....H9 ? 

[wtaite01]

7 hours ago, Julian987 said:

And if not to get a Porsche battery, which of these would you recommend that AA suggest, and are they accurate results? 

I ask as what is the difference between the 2? other than 10 extra CCA for £120 more?

 

Yet on RAC results it suggests 

 

Bosch 115 AGM Car Battery 12V 80Ah 

https://www.racshop.co.uk/bosch-agm-battery-115-80ah-800-cca-l315-x-w175-x-h190-01-b13.html

at 250, whereas on Amazon it is £150 

 

https://www.amazon.co.uk/Bosch-092-S5-110-Rechargeable-Starter-Rechargeable/dp/B00PUDPLOC/ref=sr_1_1?dchild=1&keywords=Bosch+115+AGM+Car+Battery+12V+80Ah&qid=1617577332&sr=8-1

 

Which would you recommend?

Best regards

Julian

 

 

 

 

Hi Julian, 

 

Unless the R is different to my 987.2 base, then I'm guessing your car doesn't have stop/start? 

 

If so, then I don't think you need an AGM or EFB battery, just the cheaper, standard ones will do.

 

I have a Bosch S4 non AGM/EFB like the top picture above.

[sevenfourate]

Bosch S5 Heavy Duty here.

 

Fits fine, better specs than standard and a tiny bit over £80 for trusted quality 👍

 

https://www.ebay.co.uk/itm/272720481115

[Julian987]

3 hours ago, sevenfourate said:

Bosch S5 Heavy Duty here.

 

Fits fine, better specs than standard and a tiny bit over £80 for trusted quality 👍

 

https://www.ebay.co.uk/itm/272720481115

thank you for your reply. I need an 80amp one whereas your recommendation is lower output.

 

 

[Julian987]

5 hours ago, wtaite01 said:

Hi Julian, 

 

Unless the R is different to my 987.2 base, then I'm guessing your car doesn't have stop/start? 

 

If so, then I don't think you need an AGM or EFB battery, just the cheaper, standard ones will do.

 

I have a Bosch S4 non AGM/EFB like the top picture above.

I see, so the A in the product code means AGM.

Even though I don’t have stop/start, surely it would be a more robust battery or could it cause problems with the car? 

[wtaite01]

3 hours ago, Julian987 said:

I see, so the A in the product code means AGM.

Even though I don’t have stop/start, surely it would be a more robust battery or could it cause problems with the car? 

Being completely honest, I know a little about batteries but they're not my forte! I don't know if putting an AGM in would be a problem, but I doubt there would be any benefit to it. Suspect that the heavy duty Bosch S5 above would be the way to go. Happy to be corrected by others that are more knowledgeable though

[Julian987]

2 hours ago, wtaite01 said:

Being completely honest, I know a little about batteries but they're not my forte! I don't know if putting an AGM in would be a problem, but I doubt there would be any benefit to it. Suspect that the heavy duty Bosch S5 above would be the way to go. Happy to be corrected by others that are more knowledgeable though

thank you for your reply.

that’s for confirming on S5...the question is which S5. The one above that was kindly recommended is less than 80amps so I assume I should match that (as my existing Porsche official Moll) is 80a

 

Therefore this one would be ok yep?

 

Bosch S5A11 Car Battery 80A / h-800A https://www.amazon.co.uk/dp/B00PUDPLOC/ref=cm_sw_r_cp_api_glc_fabc_64HJ2V8F2WKGCB1R37Y4?_encoding=UTF8&psc=1

 

 

 

[Julian987]

3 hours ago, wtaite01 said:

Being completely honest, I know a little about batteries but they're not my forte! I don't know if putting an AGM in would be a problem, but I doubt there would be any benefit to it. Suspect that the heavy duty Bosch S5 above would be the way to go. Happy to be corrected by others that are more knowledgeable though

thank you for your reply.

that’s for confirming on S5...the question is which S5. The one above that was kindly recommended is less than 80amps so I assume I should match that (as my existing Porsche official Moll) is 80a

 

Therefore this one would be ok yep?

 

Bosch S5A11 Car Battery 80A / h-800A https://www.amazon.co.uk/dp/B00PUDPLOC/ref=cm_sw_r_cp_api_glc_fabc_64HJ2V8F2WKGCB1R37Y4?_encoding=UTF8&psc=1

 

 

 

[Julian987]

That said,

RAC suggest this one

https://www.racshop.co.uk/rac004.html

 

which is Varta, and from looking online Varta and Bosch are made in the same factory, same technologies, just branding differs. 

RAC will fit, which saves me hassle, and guaranteed for 5 years.

 

could be good huh. But it’s so confusing this as this battery is 85amps which is more than what the Moll is. 
 

so we got Porsche saying 80, a chap above kindly suggesting 75, and RAC offering up 85

 

to a newbie you can see how confusing this is right?

any final help much appreciated as this is a minefield, how can it be so complicated?

 

best regards

Julian

 

 

[wtaite01]

49 minutes ago, Julian987 said:

That said,

RAC suggest this one

https://www.racshop.co.uk/rac004.html

 

which is Varta, and from looking online Varta and Bosch are made in the same factory, same technologies, just branding differs. 

RAC will fit, which saves me hassle, and guaranteed for 5 years.

 

could be good huh. But it’s so confusing this as this battery is 85amps which is more than what the Moll is. 
 

so we got Porsche saying 80, a chap above kindly suggesting 75, and RAC offering up 85

 

to a newbie you can see how confusing this is right?

any final help much appreciated as this is a minefield, how can it be so complicated?

 

best regards

Julian

 

 

Yeah, doesn't surprise me that Varta/Bosch are just branding exercises on some models.

 

I would probably get the largest (by amp hour) one that will fit. RAC one seems to fit that bill.

 

These cars have been known to discharge batteries in 3+ weeks if not used, so any extra amp hours could be useful. 

[Aaron]

You need CCA for cold starts - matching or being near OEM spec is fine.  This is what short term burst the battery can provide when it's cold.

 

Ah - Amp hour is the amount of charge a battery can output during a 1 hour period.  The difference between 75 and 80 is, again, negligible.

 

Fitting the battery is easy - you need basic hand tools and some common sense:

 

Remove the battery vent hose (if connected at all).

Remove the negative terminal, twist the strapper to the side and leave it there, out of the way.

Remove the positive terminal, twist the strapper to the side and move it out of the way.

The battery should have a clear exit from the battery tray and enclosure at this point.  If it doesn't, move your strappers around some more.

Remove the locking bolt that holds in the retainer plate - this is what actually holds the battery in place.  Lift out the plate and bolt.

Grab the handles on the battery (if any) and lift the battery vertically.  Stand in the frunk if you don't feel comfortable lunging it up from that far.  Do not tip the battery and always keep it upright.

Reinstall is the reverse of removal.

 

Buy a Bosch or Varta with a long warranty (5 years min) and it will last at least a decade.

[Aaron]

There's an Exide premium battery here with a 5 year warranty: https://www.eurocarparts.com/p/exide-premium-110-car-battery-85ah-5-year-guarantee-444771106 | Use the discount code and you'll get it for £126.

 

Its specs outweigh the competition, it's cheaper and still has a 5 year warranty.  Between this, Bosch and Varta there is no wrong choice.  Happy batteries!

[Julian987]

Thank you to all for your replies and recommendations. it is amazing the differences in costs huh. Take for example Arrons Exide example at £209, then £126 in the sale, yet the exact same battery, Exide EA852 is available at £75 https://www.tayna.co.uk/car-batteries/exide/ea852/ 

 

So even with a 45% discount they are still making quite a mark up.

 

crazy huh. 

 

Anyhow, long story short, all your replies have been really helpful in understanding the ins/outs of batteries and what the differences all mean. I have gone with the https://www.racshop.co.uk/rac004.html (which I am informed is a high end Varta made for the RAC, and Bosch/Varta are same tech, same factory, just different stickers, pretty much). It is the only one they fit with their patrolmen and it does come with a 5 year guarantee...plus as a RAC member I get free fitting. Admittedly cheaper to buy elsewhere, but then its a faff and I don't have the tools....you can probably tell by now (from my threads) best I have are some mini screwdrivers from a Christmas cracker. 

 

One thing to note, I notice the RAC are offering 50% off membership until tomorrow 6am which is quite a good deal for anyone interested. Seems a good deal to me. 

 

Thanks again.