The Porsche 924 Owners Club
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Battery charger
http://porsche924.co.uk/forum/viewtopic.php?f=10&t=32464
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Author:  Jenkiam [ Sat Jan 05, 2019 2:53 pm ]
Post subject:  Battery charger

...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

Author:  scm924s [ Sat Jan 05, 2019 3:19 pm ]
Post subject:  Re: Battery charger

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.

Author:  caprixpack [ Sat Jan 05, 2019 3:38 pm ]
Post subject:  Re: Battery charger

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.

Author:  dd924 [ Sat Jan 05, 2019 3:39 pm ]
Post subject:  Re: Battery charger

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.

Author:  Jenkiam [ Sun Jan 06, 2019 12:09 am ]
Post subject:  Re: Battery charger

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!!

Author:  scm924s [ Sun Jan 06, 2019 9:40 am ]
Post subject:  Re: Battery charger

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.

Author:  Carrera RSR [ Sun Jan 06, 2019 11:09 am ]
Post subject:  Re: Battery charger

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.

Author:  nsmjl02 [ Mon Jan 07, 2019 10:36 pm ]
Post subject:  Re: Battery charger

This one gets my vote.

Been using for about a year now with no issues.

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Author:  Rich H [ Tue Jan 08, 2019 1:55 pm ]
Post subject:  Re: Battery charger

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.

Author:  CedricN [ Thu Jan 10, 2019 1:03 pm ]
Post subject:  Re: Battery charger

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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