AGM Battery recommendation

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   #21  

Crasher

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Mrs Crashers Polo was suffering the same fate so I bought a ctek.
 
   #22  

Zenerdiode

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My CTEK 5.0 on regenerative mode has allowed me to squeeze 10 years out of a 000915105DL Varta original 110Ah battery.
 
   #24  

MasterTommy

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2017 Polo 1.0 TSI still has the original battery. 85.000km.
2018 Tiguan 2.0BiTDI still has the original battery. 160.000km.
2020 SQ7 4.0 TDI still has the original battery. 78.000km.

All AGM.

So whoever said batteries last 3 years nowadays, I disagree. Summers average 20-25°C, peak 30-35°, winters average 0°C, lowest about -10-12°C.

I never permanently disable stop-start although I do turn it off most of the time after engine start, and I never alter charging/SOC parameters.

I only use a charger when using VCDS or another tool and only when doing that for a very long time or when flashing.
 
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NZDubNurd

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So whoever said batteries last 3 years nowadays, I disagree.

I think they mostly mean the replacements. Over here, even dealer replacements are just locally sourced aftermarket with a VERY expensive label on.

Originals seem to last FAR, far longer than "aftermarket" replacements.
 
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Crasher

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I used a solar charger during lockdowns which kept the battery topped up.
I was talking to one of my customers about that but where Mrs Crasher parks her Trollop it gets direct light to the left rear 3/4 for only a few hours each morning even in high summer plus the daft way VW make the cigar lighter ignition live only means hard wiring.
 
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Zenerdiode

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…plus the daft way VW make the cigar lighter ignition live only means hard wiring.


I have a few different charging connectors, for external I have a 13 pin trailer plug wired and for interior, as well as the cigar plug, I made up an OBDII plug.
 
   #28  

Crasher

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My Octavia has a permanent live socket in the load area which is very useful for a cool box on a picnic day out.
 
   #29  

Uwe

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I made up an OBDII plug.
I swear I've see some of those panels from VW with suction cups that hold them in a window and an OBD connector on them stock.

-Uwe-
 
   #30  

RTHN

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Why you want to put in 2007 AGM battery , I do not think you will get any benifit of that is 2007 car.
Just get regular battery and it will be good for at least 3 years. Most of the brands offer 3 years replacement now I put a AGM in my wife's impala this past winter. Did a few for customers as well. 3yr no questions asked warranty with O'Reilly & only about $40 more than the best regular acid battery

The reason I put AGM in the wife's car was that her regular battery kept running dead as she would only drive the car two to three times a week. We've had a really harsh winter here in South Dakota this year as well.
 
   #31  

RTHN

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I have a 2004 Chevy Tahoe. The first battery that came with it from the factory lasted over 10 years and each one thereafter has never lasted more than 3 years. Goes to show that the OEM manufacturers generally do good on getting good batteries. Maybe it's because they want the customers to have a great experience and not have battery issues that will hurt the vehicle ratings
 
   #32  

Uwe

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The reason I put AGM in the wife's car was that her regular battery kept running dead as she would only drive the car two to three times a week.
How short are those drives she takes two or three times a week?

-Uwe-
 
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