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Hot!Lithium Ion Battery Charger - any recommendations

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PhilipM
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PhilipM PCGB Member
2020/01/13 14:09:50 (permalink)

Lithium Ion Battery Charger - any recommendations

As my car is essentially off the road from around end November/beginning of December till whenever all the salt is off the roads - usually the end of April, I'm looking for a Lithium Ion battery charger to keep the battery in shape while it sits in the garage.
 
I see Ctek do a Lithium XS charger which would fit the bill if I could find a supplier locally.
 
Does anyone else have any recommendations?

14 Replies Related Threads

    tscaptain
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/13 16:26:42 (permalink)
    Second page of this thread
     
    https://www.porscheclubgb.com/forum/tm.aspx?m=1038646&mpage=2
     
    may help.

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    PhilipM
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/14 06:59:20 (permalink)
    It does. Thanks.
    garyw
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/14 23:22:48 (permalink)
    The CTEK Lithium XS is rebranded to and supplied as factory to McLaren which all come with intelligent Lithium batteries - which brings its own woes!!
    Luckily my car was supplied with one from new and lives on it most times- it does look exactly the same as the CTEK but with a rather expensive sticker on it!!

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    beetle1
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/16 21:02:59 (permalink)
    Hi all, first time poster here so please accept my apologies in respect of my lack of knowledge.  I recently took delivery of my 992 but haven't had much opportunity to drive it hence Ive just gone and bought the Porsche charge o mat for it.  Am I right in thinking it can be charged from the 12v socket which Ive located in the front near side footwell area or do I need to buy the clamp adapters? Thanks
    MD77
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/25 05:38:49 (permalink)
    Hi Beetle 1,
     
    Further to your recent post, I was wondering if you managed to find the answer to your query regarding charging from the 12v socket in the front passenger footwell?
     
    My reason for asking is that unfortunately I haven’t had the opportunity to use my 992 over a 6 to 8 week period, I went to plug my CTek charger that I had for my previous 991 in, when I realised that the 992 didn't have a lead acid battery, so decided to look into what charger I would need and then promptly got distracted and forgot all about it.
     
    Big mistake... I subsequently received a phone call from the Tracker firm to tell me that they thought that my battery had gone flat and sure enough it had. Porsche Assistance (The AA) were brilliant, they arrived at our house within half an hour of calling them and in twenty minutes they had got into the car using the emergency key and had got it started.
     
    Following on from this the Porsche Centre Wilmslow were also excellent, they suggested that they plug the car into their battery conditioner for 12 hours and lent me a Boxster GTS courtesy car which I ended up keeping for the weekend.
     
    Given that I was unsure as to which CTek charger I should buy I bit the bullet and decided to pay the money and buy the Porsche branded charger as I didn’t want the battery to go flat again. Now I just need to find out where and how I should plug it in...
     
    Can you plug it in via the 12 volt socket in the passenger footwell or do you need to connect it directly to the battery, each time?
     
    Many thanks,
     
    Martin
    post edited by MD77 - 2020/01/25 05:40:55

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    beetle1
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/25 08:20:51 (permalink)
    MD77
    Hi Beetle 1,
     
    Further to your recent post, I was wondering if you managed to find the answer to your query regarding charging from the 12v socket in the front passenger footwell?
     
    My reason for asking is that unfortunately I haven’t had the opportunity to use my 992 over a 6 to 8 week period, I went to plug my CTek charger that I had for my previous 991 in, when I realised that the 992 didn't have a lead acid battery, so decided to look into what charger I would need and then promptly got distracted and forgot all about it.
     
    Big mistake... I subsequently received a phone call from the Tracker firm to tell me that they thought that my battery had gone flat and sure enough it had. Porsche Assistance (The AA) were brilliant, they arrived at our house within half an hour of calling them and in twenty minutes they had got into the car using the emergency key and had got it started.
     
    Following on from this the Porsche Centre Wilmslow were also excellent, they suggested that they plug the car into their battery conditioner for 12 hours and lent me a Boxster GTS courtesy car which I ended up keeping for the weekend.
     
    Given that I was unsure as to which CTek charger I should buy I bit the bullet and decided to pay the money and buy the Porsche branded charger as I didn’t want the battery to go flat again. Now I just need to find out where and how I should plug it in...
     
    Can you plug it in via the 12 volt socket in the passenger footwell or do you need to connect it directly to the battery, each time?
     
     
     
     
    Hi Martin
     
    In answer to your question, no I still don't have the definitive answer on this.  I purchased the same charging unit as you but Im not sure whether all new 992's have this 12v socket and whether people are using this method or the connect direct to battery method.  Sorry I couldn't help you.
     
    Many thanks,
     
    Martin




    PhilipM
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/25 11:51:14 (permalink)
    MD77
     
    Can you plug it in via the 12 volt socket in the passenger footwell or do you need to connect it directly to the battery, each time?
     
    Many thanks,
     
    Martin




    I bought a Lithium Ion charger here and followed the instructions ion the manual which were attach the positive lead to the positive terminal on the battery and the negative lead to the designated stick up metal thingy on the RH side - RH as you look at the battery from the front of the car.
    cymro
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/25 12:34:16 (permalink)
    Martin, don't charge via the socket inside the car.
     
    If you look at the handbook page 55 it tells you where to connect the charger.
    Connect the + to the positive terminal of the battery
    Connect the - to the ground point of the car, not directly to the negative terminal of the battery.
    Switch on the charger.
     
    See photos
     

     
    negative terminal of the car, on the RHD cars it is on the drivers side. the manual shows the LHD.
     

     
    Handbook page 55
     


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    MD77
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/26 05:36:53 (permalink)
    Thank you all for your help and useful comments, your advice is very much appreciated and sorry to PhillipM for piggy backing on your original post but I thought that it was relevant to all 992 owners and made sense to include it in the same thread for others with the same issues in future.
     
    I shall get busy giving my car a much needed wash this morning and will connect it up to my expensive Porsche charger that looks remarkably like a CTek charger. 😉
     
    I’m looking forward to all of the adventures ahead as the weather improves. We’ve got loads planned for the year ahead and our car will soon be busy again through the Spring and Summer. 😊
    post edited by MD77 - 2020/01/26 05:41:21

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    PhilipM
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/26 11:16:53 (permalink)
    MD77
    Thank you all for your help and useful comments, your advice is very much appreciated and sorry to PhillipM for piggy backing on your original post but I thought that it was relevant to all 992 owners and made sense to include it in the same thread for others with the same issues in future.
     
    I shall get busy giving my car a much needed wash this morning and will connect it up to my expensive Porsche charger that looks remarkably like a CTek charger. 😉
     

     
    You're more than welcome, and it is a CTEK charger
    MD77
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/26 12:18:37 (permalink)
    😉 I know but it does have a very expensive Porsche sticker on it... 👍😂

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    MD77
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/26 17:58:43 (permalink)
    Progress update...
    We are now all wired up and the Charge O Mat seems to be doing its thing. I have two last questions for all you clever technical people out there.
     
    1. As the car is in a locked and alarmed integral garage is it okay to leave the car unlocked with the bonnet open? 
     
    2. Also is it okay just to leave the Charge O Mat connected to the Lithium Ion battery in the 992 for a long period of time as I did with my 991 and the Lead Acid Battery CTek charger?
     
    Many thanks,
    Martin

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    Motorhead
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/26 18:43:16 (permalink)
    Martin,
     
    Can you not run the cable through the gap between the top of the bonnet and the wiper panel? Close the bonnet and then lock the car - this is much better for the battery because the current drain is reduced after approx 7 days when the electrical system goes into "sleep" mode.
     
    Your CTEK/Charge-O-Mat conditioner is designed for long-term usage, so I can't see there being a problem with leaving it connected for an extended period - unless it states something to the contrary in the user guide?
     
    Jeff

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    MD77
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    Re: Lithium Ion Battery Charger - any recommendations 2020/01/26 22:16:16 (permalink)
    Hi Jeff,
     
    Thank you for your suggestion, I have managed to tuck the cable through the gap as per your note and closed the bonnet and locked the car. All seems well with the charger, I’ll keep an eye on it over the coming days.
     
    Cheers,
     
    Martin
    post edited by MD77 - 2020/01/29 21:29:09

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