Member Since: 11 Jul 2011
Location: Wharfedale
Posts: 112
Trickle charge via cigarette lighter socket?
Is it possible to charger a D4 battery using a Ctek charger through the cigarette lighter socket?
I know the socket does not stay live for long after the ignition is turned off, but on my other car (Porsche) although the socket normally switches off, it stays live as long as there is a charging current, specifically so that you can use the socket for battery maintainance.
Is this the same on Disco 4
Better still fit a Connect Eyelet to the battery & body earth under the bonnet, lots of threads here about this.
I have done this on my D4, and for both batteries on my SL350. I don't bother with the Stop/Start on the D4, as I'm happy for it to be flat
NJSSAm 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.
10th Feb 2021 10:37 am
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8100
Why is it better?It can when others can't,
It will when others won't,
It goes where others don't.
Charging through the tow socket is an excellent idea if you have one.
NJSSAm 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.
10th Feb 2021 10:57 am
Trailered Movements
Member Since: 16 Jan 2020
Location: East/West Sussex Coast Borders
Posts: 1198
Never been a fan of charging a battery back through a fuse, plus, my next door neighbour was sold a 3 or 5amp Ctek for his 911, labelled up as a PORSCHE charger and with a cigarette lighter connector which was useless.
It only ever had just enough to turn the motor over and was painful on the ear, even though it was plugged in at all times the car wasn't being driven.
Got him a 10amp Ctek and wired up their cable direct to the battery, and now it spins into life instantly.
Obviously the charger makes a difference, but the conduit for the power must also help.
Dave2011 Discovery 4 Commercial SDV6 (Gone)
2010 RRS TDV8 (Gone)
1980 OBLIC 4.0ltr Range Rover (went a long time ago)
10th Feb 2021 11:20 am
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8100
NJSS wrote:
Sorry M3DPO - I wasn't responding to you....
Charging through the tow socket is an excellent idea if you have one.
NJSS
It can when others can't,
It will when others won't,
It goes where others don't.
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