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 Post subject: Battery charger
PostPosted: Sat Jan 05, 2019 2:53 pm 
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Joined: Sun Apr 15, 2018 11:15 pm
Posts: 25
Location: Gloucester
Model: 924S
...went out to the garage today & the S has a completely flat battery :sad: anyone have a recpmendation for a charger, trickle type or otherwise?

Thanks


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 Post subject: Re: Battery charger
PostPosted: Sat Jan 05, 2019 3:19 pm 
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Location: Gloucester
A lot of people use the CETEK charger, Lidl occasionaly do a very good one, similar to the cheaper CETEK for about£15 and I have 2 of these and find them very good. Both of these will charge from flat and run a maintenance charge, but won't act as a jump start for a dead battery.

You might want to consider one of the very small jump start packs on the market which fit in the glove box, and also check for something causing a battery drain.

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To travel hopefully is a better thing than to arrive - RLS

1984 924 N/A RUBY RED METALLIC - full service history, every MOT, 3 previous owners.
1986 924S GUARDS RED - previous owner from 1990.
1988 924S Guards Red - sold
1984 924 N/A Black - sold
1980 924 LE MANS#1 - ex National prize winner and NEC exhibit 2011 & 2016. - sold
1980 924 LE MANS#2 - Saved from 10 years as a garden ornament - sold
1977 924 Martini - sold


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 Post subject: Re: Battery charger
PostPosted: Sat Jan 05, 2019 3:38 pm 
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Joined: Wed Sep 26, 2012 2:45 pm
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Location: Whitehaven
Model: 1984 924 2.0 n/a
I think the best way is to drive it more. Unless you're leaving it for 4+ months at a time you shouldn't really need a battery conditioner.
Ive got a tesco special 4amp for emergencies, but is mainly used for charging the gas tester battery.

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2005 VW Passat tdi 130 Highline, now 170bhp & 290ft/lb
2009 Ford Focus ST, didn't stay standard for long


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 Post subject: Re: Battery charger
PostPosted: Sat Jan 05, 2019 3:39 pm 
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Joined: Wed Sep 08, 2010 8:44 pm
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Location: Birkenhead (UK)
Model: 924 na
And be aware that once a battery has been flat it is permanently injured and is just patiently waiting to let you down at the most inappropriate moment.

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1983 Silver(ish)/rust n/a manual - Project Candy, SCRAPPED
1982 Guards Red n/a manual - Project 66, SOLD.
1982 Garnet Red n/a manual - Project XLE (532 licensed, 1430 sorn'd)
1983 White n/a manual - Mr White Returns
2002 Berlingo Multispace 1.9D, 190,000 miles, daily driver


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 Post subject: Re: Battery charger
PostPosted: Sun Jan 06, 2019 12:09 am 
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Joined: Sun Apr 15, 2018 11:15 pm
Posts: 25
Location: Gloucester
Model: 924S
scm924s wrote:
A lot of people use the CETEK charger, Lidl occasionaly do a very good one, similar to the cheaper CETEK for about£15 and I have 2 of these and find them very good. Both of these will charge from flat and run a maintenance charge, but won't act as a jump start for a dead battery.

You might want to consider one of the very small jump start packs on the market which fit in the glove box, and also check for something causing a battery drain.

Cheers, I assume it's the alarm system fitted to the car which caused the drain but thought I had switched it off!!


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 Post subject: Re: Battery charger
PostPosted: Sun Jan 06, 2019 9:40 am 
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Joined: Mon Jan 04, 2010 11:24 pm
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Location: Gloucester
My latest S had a similar problem, nasty aftermarket alarm now in bin! Alarms and poorly installed radio are favourite causes of battery drain.

Can't recall whereabouts you are in Gloucester, but if you need help, PM me your details.

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To travel hopefully is a better thing than to arrive - RLS

1984 924 N/A RUBY RED METALLIC - full service history, every MOT, 3 previous owners.
1986 924S GUARDS RED - previous owner from 1990.
1988 924S Guards Red - sold
1984 924 N/A Black - sold
1980 924 LE MANS#1 - ex National prize winner and NEC exhibit 2011 & 2016. - sold
1980 924 LE MANS#2 - Saved from 10 years as a garden ornament - sold
1977 924 Martini - sold


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 Post subject: Re: Battery charger
PostPosted: Sun Jan 06, 2019 11:09 am 
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Joined: Sat Jan 30, 2010 11:13 pm
Posts: 14511
Location: Somerset
Model: TheOnly Way Is Turbo
Disconnect the battery earth on long lay ups. Takes five minutes or less to wip off the terminal. Or use a universal battery cut off knob, cheapish, easy on and off. Radio will lose any presets. Clock will be wrong. Small price to keep the battery ready for action.

£100 buys you a Ctek tickle charger. Lidl/Aldi ones come up once a year for £15-25 depending on model and features.

I found the Lidl/Aldi option can restore enough power to start after 15 minutes of charge. Fine if you are heading on a longer journey so the alternator can recharge long enough.

Or just make sure you drive it every 2-4 wks.

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1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, lightened and balanced bottom end, ARP studs + Cometic MLS HG, Piper fast road cam, K27/26 3257 hybrid turbo, 951 ducted FMIC, Custom intake manifold, Mittelmotor dizzy & cam pulley, Adj boost - dyno’d at 225bhp @ 1.0bar on previous CGT turbo, Engine datalogged and on boost fuel enrichment managed with Zeitronix ZT2 & Phormula KS4 knock sensor, 944 turbo all alloy radiator, Hayward & Scott custom tapered race exhaust, GAZ Gold coilovers, Fuch'ed up, Quaife LSD
2017 VW Passat Variant GTE Advance - the daily load lugger and mile muncher
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 Post subject: Re: Battery charger
PostPosted: Mon Jan 07, 2019 10:36 pm 
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Joined: Tue Dec 28, 2010 6:46 am
Posts: 743
Location: Aberdeenshire
Model: 924 Turbo
This one gets my vote.

Been using for about a year now with no issues.


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 Post subject: Re: Battery charger
PostPosted: Tue Jan 08, 2019 1:55 pm 
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Joined: Sat Dec 01, 2007 1:31 pm
Posts: 19915
Location: Lurking in Preston
Model: 924 Turbo S2
Yep battery conditioner is the way to go.

Dead batts can be brought back to life using batt-aid tablets if you can get into the cells. But it will haev a shorter life.

The Esprit is fitted with a battery quick disconnect, jsut a thumbscrew that mounts on the battery lead, quarter turn and it disconnects the battery.

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1994 Lotus Esprit S4 - Work in progress
1980 924 Turbo S2 - Parts chaser
2014 Mini Cooper - Hers


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 Post subject: Re: Battery charger
PostPosted: Thu Jan 10, 2019 1:03 pm 
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Joined: Tue Mar 21, 2017 10:01 pm
Posts: 233
Location: Sweden
Model: 924 turbo
I use on of theese generic ones:

https://www.harborfreight.com/battery-d ... 97853.html

saves batteries, and i take the green knob with me if i park the car outside as a crude anti theft device, takes just seconds to do :)

I agree with dd924, even a ctek repaired battery will be (I swear too much) eventually, and might pack up anytime. They are never the same after they gone flat.


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