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Stop/Start Battery keeping topped up
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dorianwoolger
 


Member Since: 11 May 2018
Location: Tangmere
Posts: 223

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4
Stop/Start Battery keeping topped up

Hi all,

As we all know D4s seem to eat batteries when not doing anything.

I keep the main battery topped up by a CTEK connected to the towing electrics but that does not charge the stop/start battery.

Whats the best way for doing this, or should the stop/start battery be holding its charge when D4 not in use?
 Dorian Woolger
Amateur Call: 2E0FSI

2016 Discovery 4 Graphite
+ Remote for FBH, + Timed Climate, + Cubby Fridge, + ARB Compressor + Roof Ladder
RLD Spare Wheel Protector
Altox WBUS-5 GPS FBH Controller.
RLD Hidden winch mount + Superwinch Talon 9.5SR
ProSpeed Rack
ProSpeed Sliders
Tuff Trek RTT
EVOcorse 18" Wheels with 265/60 R18 KO2's

 
 
Post #213800714th Apr 2020 12:20 pm
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dorianwoolger
 


Member Since: 11 May 2018
Location: Tangmere
Posts: 223

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

I assume nothing easy here then. I've manually changed the battery for now. Lets see how it lasts.

Anyone know what conditions it gets charged under normally engine running. Left it running for about 30 mins and checked voltage every now and again and it never showed charge going in.
 Dorian Woolger
Amateur Call: 2E0FSI

2016 Discovery 4 Graphite
+ Remote for FBH, + Timed Climate, + Cubby Fridge, + ARB Compressor + Roof Ladder
RLD Spare Wheel Protector
Altox WBUS-5 GPS FBH Controller.
RLD Hidden winch mount + Superwinch Talon 9.5SR
ProSpeed Rack
ProSpeed Sliders
Tuff Trek RTT
EVOcorse 18" Wheels with 265/60 R18 KO2's

 
 
Post #213832115th Apr 2020 12:40 pm
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10492

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

I must admit that it's immaterial to me whether the stop/start battery is charged or not.

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 #213835515th Apr 2020 2:45 pm
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Dexter
 


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

Scotland 

Me too, better when it’s not tbh Whistle
  
Post #213836315th Apr 2020 3:35 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 3169

England 

Doesn’t the smaller battery only keep the electrics working whilst it is stopped Question
I know that when my stop/start isn’t working I charge through the towing electrics and it will works again.🤷🏻‍♂️

If the little battery is not holding a charge think you get the light with a line through it.
  
Post #213836915th Apr 2020 4:16 pm
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CarlW
 


Member Since: 07 Aug 2005
Location: Lancashire
Posts: 111

United Kingdom 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Waitomo GreyDiscovery 4

I've attached a separate CTEK lead directly to the Stop/Start battery and give it the occasional charge when I'm not using the Disco much.
 Disco 4 Landmark
Mercedes Benz SLK CDi
BMW 335D Touring
Defender XS SW 2010 - gone
TDV8 2008 RRS - gone
Disco 3 HSE 2005 - gone
BMW R1150GS 
 
Post #213842115th Apr 2020 7:32 pm
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dorianwoolger
 


Member Since: 11 May 2018
Location: Tangmere
Posts: 223

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

Ok. Cheers all. Thumbs Up
 Dorian Woolger
Amateur Call: 2E0FSI

2016 Discovery 4 Graphite
+ Remote for FBH, + Timed Climate, + Cubby Fridge, + ARB Compressor + Roof Ladder
RLD Spare Wheel Protector
Altox WBUS-5 GPS FBH Controller.
RLD Hidden winch mount + Superwinch Talon 9.5SR
ProSpeed Rack
ProSpeed Sliders
Tuff Trek RTT
EVOcorse 18" Wheels with 265/60 R18 KO2's

 
 
Post #213843915th Apr 2020 8:51 pm
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