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  #1  
Old 13th January 2014, 08:17 AM
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The_Laird The_Laird is offline
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Default Battery Charger advice please

Over the weekend, my very ancient (it used to belong to my dad!) battery charger finally gave up the ghost, so I need to buy a new one. But there are thousands of them out there!

What should I be looking for? Or can anyone recommend a particular make and model?

Thanks - Jim
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2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim.
Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .
Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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  #2  
Old 13th January 2014, 08:28 AM
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Conquistador Conquistador is offline
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It's cheap and cheerful from Lidl, but this one got recommended on a Mercedes forum I'm a member of:

http://www.lidl.co.uk/cps/rde/SID-88...Detail&id=9103

They all said it's brilliant. I bought one last week and have been using it for a few days and all is well. Previously, I got the battery warning bleep less than 30 seconds after turning ignition, but now it's much longer.
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- Aqua Blue D2 S8 - Grey leather/Alcantara
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  #3  
Old 13th January 2014, 11:34 AM
gninnam gninnam is offline
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You need to make sure you get one that will handle your battery!
The CTEK units always get good reviews (see last months Practical Classic mag)
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  #4  
Old 13th January 2014, 11:54 AM
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David's8 David's8 is offline
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Here's a 2012 review: (They do seem to rate CTEK)

http://www.autoexpress.co.uk/accesso...attery-charger
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  #5  
Old 13th January 2014, 12:15 PM
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The_Laird The_Laird is offline
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Does anyone know offhand what rating the S8 battery is?
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2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim.
Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .
Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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  #6  
Old 13th January 2014, 02:06 PM
ainarssems ainarssems is offline
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Quote:
Originally Posted by Conquistador View Post
It's cheap and cheerful from Lidl, but this one got recommended on a Mercedes forum I'm a member of:

http://www.lidl.co.uk/cps/rde/SID-88...Detail&id=9103

They all said it's brilliant. I bought one last week and have been using it for a few days and all is well. Previously, I got the battery warning bleep less than 30 seconds after turning ignition, but now it's much longer.
With 3.4A max current it's a bit weak, will take forever to charge A8 sized battery(95-110Ah). It should be OK as maintenance charger that you use regularly just to top up battery but it's going to take very long time to fully charge flat battery, expect 2-3 days for A8 sized battery to charge from 10% to 90%. You should be looking at 10A+ for A8 or even better 20A.

Something like this perhaps: http://www.ebay.co.uk/itm/Ring-RCB32...item19e2a3d673
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2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D

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2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
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  #7  
Old 13th January 2014, 02:35 PM
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notorious notorious is offline
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Jim,

Best battery chargers in the world are manufactured by swedish company called CTEK:

http://www.ctek.com/gb/en/chargers/12v

Get this one:

http://www.ctek.com/gb/en/chargers/M...20AND%20CHARGE

I have installed a CTEK socket with traffic light indicator in my A8 and allows me to quickly connect CTEK charger when led is flashing red.

http://www.ctek.com/gb/en/chargers/C...%20M8%201%2c5m

I can make a picture later for you if you want.

Don't settle for less.
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Last edited by notorious; 13th January 2014 at 02:37 PM.
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  #8  
Old 13th January 2014, 02:43 PM
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The_Laird The_Laird is offline
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Thanks Guys

I'll go shopping on line later this week
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2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim.
Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .
Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
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  #9  
Old 13th January 2014, 02:44 PM
ainarssems ainarssems is offline
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There is no doubt CTEK does good battery charges if a bit expensive but the one linked is only 5A. They do 25A workshop chargers but they are £200+.
I would recommend at least 10A for A8 http://www.ctek.com/gb/en/chargers/MXS%2010
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2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D

8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
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  #10  
Old 13th January 2014, 02:47 PM
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The_Laird The_Laird is offline
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Quote:
Originally Posted by notorious View Post
I have installed a CTEK socket with traffic light indicator in my A8 and allows me to quickly connect CTEK charger when led is flashing red.

http://www.ctek.com/gb/en/chargers/C...%20M8%201%2c5m

I can make a picture later for you if you want.
Yes, please post a photo as that sounds a pretty good plan
__________________
2002 Final Edition S8. Ebony black with Silver Grey leather and myrtle wood trim.
Current mods: solar sun roof, 20mm rear spacers, 15 mm on front, red brembo callipers, 6k headlights, rear view camera, engine remap, alloy dash dial rings, alloy navi rings, tt/phaeton pedal upgrade, (and custom matching foot rest) dension ipod interface & parrot hands free kit (both fully hidden), av input, tv in motion switched thro' PF switch in blanking plug right of steering column, Audi 'quattro' sill covers, repositioned centre console switches, radio clock, .
Planned mods: auto-dimming rear view mirror, dash cam (as steamship's), fit the ski hatch, refit philips drl's (or maybe not - nope, definitely not - horrible botch!).
Reply With Quote
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