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wibbaboo
Monza


Joined: 18 Nov 2014
Posts: 218
Location: Bristol

2003 Porsche 996 Carrera 2

PostPosted: Wed Oct 02, 2019 12:25 pm    Post subject: Battery Replacement - Help Reply with quote

Hi All,

Although I've been using a trickle charger - I went to take out my 996.2 today to find a completely dead battery - On reconnecting the trickle charger and pushing the connection hard into the cig lighter it started to charge and I got at least a glimmer of power to the console.

I've left on charge and started a web search for batteries.

Europarts have a 50% sale on - but I'm confused as to the exact battery to buy!!
Can someone point me at a recommended make and model please

Ta

Greg
 
  
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pugw$sh
Newbie


Joined: 09 Mar 2017
Posts: 12



PostPosted: Wed Oct 02, 2019 3:57 pm    Post subject: Reply with quote

This is the one I bought for my 1999 996 C2

https://www.eurocarparts.com/p/lion-100-car-battery-70ah-3-year-guarantee-444771001

Coming in at £50 with discount code PAYDAY50

I've had no problems with it for over 2 ½ years.
 
  
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Number21
Newbie


Joined: 23 Jun 2019
Posts: 16



PostPosted: Wed Oct 02, 2019 9:27 pm    Post subject: Reply with quote

Most people seem to rate the Bosch S5. My car (996.2) had one put in in 2016 and it died a few months ago.

I managed to resuscitate it but eventually gave up and just got a Halfords battery in a hurry. It's been fine. I can now leave the car a week without worrying about not even being able to pop the frunk (don't have a garage, trickle charging isn't possible).
 
  
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cvega
Spa-Francorchamps


Joined: 25 Feb 2013
Posts: 288
Location: Cambridge


PostPosted: Thu Oct 03, 2019 9:29 am    Post subject: Reply with quote

I've heard around the grapevine that bosch batteries have gone down in quality - not sure what are those rumours based on.
_________________

2003 996 C2 (Ohlins R&T suspension, Toyosport/Spyder exhaust)
 
  
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maldren
Suzuka


Joined: 07 Oct 2016
Posts: 1195



PostPosted: Thu Oct 03, 2019 11:32 am    Post subject: Reply with quote

cvega wrote:
I've heard around the grapevine that bosch batteries have gone down in quality - not sure what are those rumours based on.


Internet rumours!!!!
_________________
Mike
2003 996.2 C2 Coupe Arctic Silver
 
  
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911-C2
Newbie


Joined: 24 Jun 2019
Posts: 4



PostPosted: Thu Oct 03, 2019 12:46 pm    Post subject: Reply with quote

I have been very happy with the below, car was left a couple of weeks and fired up no problem. Definitely an improvement on the old battery.

https://www.tayna.co.uk/car-batteries/bosch/s5010/
 
  
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Panda996
Trainee


Joined: 19 Aug 2016
Posts: 66
Location: Surrey


PostPosted: Thu Oct 03, 2019 1:05 pm    Post subject: Reply with quote

I also used Tanya to order. It’s a good next day delivery service.
I chose the Varta Silver. As heard it was made in same factory and same standard as the Bosch, but was quite a bit cheaper. It’s been fine for approx 5 years, although like everyone else, it needs constant trickle charge as car has never coped with 2 weeks unattended (even from nearly new... damn tracker I suspect!)
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996 Targa
 
  
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wibbaboo
Monza


Joined: 18 Nov 2014
Posts: 218
Location: Bristol

2003 Porsche 996 Carrera 2

PostPosted: Thu Oct 03, 2019 4:06 pm    Post subject: Reply with quote

Thanks all for your help

https://www.tayna.co.uk/car-batteries/exide/eb802/?gclid=Cj0KCQjwuNbsBRC-ARIsAAzITudLK2Y4zRzl6qx113jhVqOr_ELUbgFlpgQz70cZd1Gt5usoIplZxMYaAmVkEALw_wcB

Was an exact replacement for what was previously fitted (and that lasted from April 2012) so I went with the same Smile

P.S. No-one told me about the alarm going off when you disconnect the battery - 2 min search on here gave me the answer to put the key in the ignition and turn on without starting the car.
 
  
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Robertb
Dijon


Joined: 01 Sep 2003
Posts: 7311
Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Wed Nov 20, 2019 4:34 pm    Post subject: Reply with quote

Supplementary question:

Do I have to disconnect the battery to fit a new light switch to my 4S?

Assuming I do...

- if I leave the ignition in the 'on' position then the alarm won't go off when I disconnect/reconnect the battery?
- do I have to start the car and leave it idle for a bit to let the electronic throttle recalibrate... anything else I need to do to force it to recalibrate?
- do I have to reset the windows?
_________________
"911- the guilt-free supercar"

Current: 2003 C4S Coupe, seal/black

Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 17123
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Wed Nov 20, 2019 5:01 pm    Post subject: Reply with quote

Carparts4less are cheaper than ECP and its the same company.
_________________
2000 Manual 996 C4 Arctic Silver Convertible


 
  
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Magic919
Barcelona


Joined: 05 Jun 2013
Posts: 1280
Location: Berkshire


PostPosted: Wed Nov 20, 2019 5:09 pm    Post subject: Reply with quote

Probably safer to disconnect, but hardly essential if you are sensible.

The windows might need to relearn and a few other things need a short drive.
_________________
997.2 C4S PDK
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7576
Location: Brighton


PostPosted: Wed Nov 20, 2019 8:12 pm    Post subject: Reply with quote

Robertb wrote:
Supplementary question:

Do I have to disconnect the battery to fit a new light switch to my 4S?

Assuming I do...

- if I leave the ignition in the 'on' position then the alarm won't go off when I disconnect/reconnect the battery?
- do I have to start the car and leave it idle for a bit to let the electronic throttle recalibrate... anything else I need to do to force it to recalibrate?
- do I have to reset the windows?


In short then no.

with a battery disconnect on this model ...

Ign turned on ( lights illuminated ) .. disconnect battery ..

Disconnect Neg lead then positive if replacing .. never disconnect the positive first .

Only Neg lead for something like this .

pos lead on first then neg lead .. basically never touch the positive lead with a spanner when the neg lead is still connected .

Close each window ..doors shut then press and hold the up window button for 5 seconds .. that will relearn the one touch close .

radio code if applicable .

ignition on and don't touch the throttle pedal for 30 seconds .. ignition off then drive as normal .. car will learn without this though so no big deal .

Steering angle sensor will reset after a drive over 6 mph but that's more for 997 than these .
_________________
.

My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
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Robertb
Dijon


Joined: 01 Sep 2003
Posts: 7311
Location: South Oxfordshire

2002 Porsche 996 Carrera 4S

PostPosted: Wed Nov 20, 2019 9:52 pm    Post subject: Reply with quote

Thanks DeMort for the comprehensive answer as always Thumb
_________________
"911- the guilt-free supercar"

Current: 2003 C4S Coupe, seal/black

Ex: '02 C4S Coupe, '96 993 Targa, '88 Carrera Sport Coupe
 
  
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