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D4 AGM Batteries - How Long do they last & how do they fail?
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10463

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

Brendan

I got a Halfords AGM battery @ £184 discounted to £147.20 with a trade card.

I'm going to put the money I saved towards a NOCO Boost HD GB70 2000 Amp Booster.

NJSS
 Am I Gammon or Woke ? - I neither know nor care.

2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #207162227th Jul 2019 3:14 pm
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leeds
 


Member Since: 30 Aug 2010
Location: West Yorkshire
Posts: 4311

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Yulong WhiteDiscovery 4

How much is the standard Land Rover battery?

If a non Land Rover battery is fitted how does it effect Land Rover warranty?


Brendan
  
Post #207165527th Jul 2019 5:10 pm
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jonp
 


Member Since: 09 Jan 2010
Location: BARNARD CASTLE , Co Durham
Posts: 98

England 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Yulong WhiteDiscovery 4

Hi

i used a CTEK charger once a week during winter and very similar during summer on my D3 and the two batteries lasted 6 years each, and I sold it with a 1 year old battery on it. I am doing the same on my D4 now. All standard Land Rover batteries, VARTA , and Exide etc . regards Jonathan
  
Post #207166427th Jul 2019 5:36 pm
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CongoBoy
 


Member Since: 05 Mar 2019
Location: Wiltshire
Posts: 525

Zimbabwe 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

knwatkins wrote:
I tend to find that these days batteries do tend to seem to be 'good' up until a point where they just give up the ghost.

On older cars, you could tell if the battery was on it's way out as it would struggle to crank over. This would give you enough time to get around to buying a new battery and fitting it. Not anymore.

I'm not sure whether the reason is down to battery technology or just modern engines.


I agree. Even with regular use modern batteries do not tend to give more than 24-36 month life span, depending on severe winters and hot summers for operating temperatures. Older Landys, as stated, will give an indicator of failing but with Disco3/4s, a slight difference in deterioration of the battery is a death knell!!
 2008 D3 HSE Stornoway Grey (UK)
2008 D3 HSE Izmir Blue- South African Spec. (Zimbabwe)
2005 FFRR SC V8- Java Black
1995 D1 300 Tdi Blue - (Sourced from the UK, shipped to Namibia, driven by me to RD Congo, then Zambia, now retired in Zimbabwe) 
 
Post #207170827th Jul 2019 9:30 pm
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Weyboat
 


Member Since: 13 Apr 2018
Location: Weymouth
Posts: 261

England 2015 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

jonp wrote:
Hi

i used a CTEK charger once a week during winter and very similar during summer on my D3 and the two batteries lasted 6 years each, and I sold it with a 1 year old battery on it. I am doing the same on my D4 now. All standard Land Rover batteries, VARTA , and Exide etc . regards Jonathan

I completely agree with that statement, The CTEK is the way forward because it charges your batteries and tests them to see if they can hold a charge.
I know its a bit OTT but I also connect my CTEK once a week or so...
 Gone 2016 Landmark D4
Current 2015 HSE D4 - AKA - 'Gandalf the Grey' 
 
Post #207171227th Jul 2019 9:50 pm
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ratrunner
 


Member Since: 20 Nov 2015
Location: cotswolds
Posts: 194

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Auto Santorini BlackDiscovery 4

Weyboat, Which programme do you use on the CETEC ?
  
Post #207174728th Jul 2019 6:43 am
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Gary_P
 


Member Since: 03 May 2016
Location: Kent
Posts: 1505

Ukraine 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

There’s a AGM option in my MSX7. That’s what I use.
 Gary
-------------------------------------------

Discovery 4 HSE 2016MY 
 
Post #207175628th Jul 2019 8:30 am
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Moo
D3 Decade 


Member Since: 13 Aug 2010
Location: Wiltshire
Posts: 13800

Ukraine 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

Just ordered an Exide battery from Tayna with fast delivery pre noon for £93. I'm off to France for three weeks on holiday and don't need the hassle of a duff battery and the associated problems it can throw at you. Besides its 6 years old so probably best to change it.
 New Defender L663 110 SE (known as Noddy!)

Sold Volvo XC90 R-Design (known as Basil)

Sold - D4 HSE (Known as Gerty)

No longer the Old Buses original owner Sad
231,000 miles and counting
05 S manual owned from March 2005
D4 Face lifted
Still original injectors and turbo
V8 Front brakes
BAS Remap, Allisport Intercooler and deCat
EGRs blanked
T-Max split charge
Hanibal Expeedition rack
Prospeed ladder
Duratrac tyres
IID BT
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Post #207179128th Jul 2019 10:32 am
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Weyboat
 


Member Since: 13 Apr 2018
Location: Weymouth
Posts: 261

England 2015 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

ratrunner wrote:
Weyboat, Which programme do you use on the CETEC ?

The CTEK automatically detects the battery type for you.
It selects AGM for my batteries
 Gone 2016 Landmark D4
Current 2015 HSE D4 - AKA - 'Gandalf the Grey' 
 
Post #207179328th Jul 2019 10:43 am
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Dexter
 


Member Since: 21 Sep 2007
Location: Aberdeenshire
Posts: 1391

Scotland 

Can you just fit a new battery or did I read somewhere that it needs to be ‘coded’ to the car too?

Euro carparts have a 55% discount weekend on just now Very Happy
  
Post #207180328th Jul 2019 11:34 am
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fat bloke
 


Member Since: 07 Aug 2006
Location: OXFORD
Posts: 1243

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Auto Santorini BlackDiscovery 4

Small battery was delivered and fitted by me for £46 , first problem I noticed was orange light on dash board and the flappy paddles show a INOP fault on dash.
Both batteries change and all faults gone and even stop/start works again.
  
Post #207186828th Jul 2019 5:20 pm
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kirkyworld
 


Member Since: 01 Mar 2016
Location: Northampton
Posts: 566

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4

I had both batteries swapped on 16MY at about 2.5 years and 25k miles under warranty. The stop start battery failed after driving to Belgium and back so was fully charged.
  
Post #207193628th Jul 2019 10:28 pm
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