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n4n 3.1K Views
May 12, 2022 2:12 PM

CTEK CS One its manufactured 220V (need $15 step up transformer) auto adaptive battery charger and maintainer w/shipping & NJ 7% sales tax $166.28 Amazon S.a.r.L. (Germany) $137.28

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Compare to lower-end CTEK CS Free [amazon.com] at $374.99+Tax+Shipping
[carid.com] google the price, you will not be able to find anything cheaper than $300
.

Most advanced adaptive car battery as well as any other type of lithium battery car charger, maintainer, conditioner.
Swedish company CTEK [ctek.com] is the preferred battery charger for some of the most prestigious engineering brands in the world: Porsche, Audi, Lamborghini, Bentley Motors, Scania AB, BMW, Rolls-Royce Motor Cars, Chevrolet (Corvette), Ferrari, Alfa Romeo S.p.A., Maybach-Motorenbau GmbH, Aston Martin, Arctic Cat, Yamaha Motor Company, Maserati, Mercedes, and more.

One down-side it is 220VAC, need to use $15 step up 110VAC / 220VAC transformer.
Technically savvy can use any old transformer wired for 220V/110V (majority is), put 110V on one circuit, pickup 220V from two circuits. You need to use only in voltage, out circuits voltage is not important, left disconnected.

CTEK CS One automotive adaptive battery charger and maintainer [amazon.de] Amazon Germany
Outside EU price is €132,73 ($137), shipping to US €15.17 ($15.79) price shown on the webpage €157.95 includes VAT (European sales tax).

Price is in euro, Amazon EU S.a.r.L. can convert € to $, exchange rate is very good for USD now.
If your credit card has no foreign transaction fees with low exchange rate, and you do not pay sales tax in your state, the total price will be lower.

My Order Summary
CTEK CS One Subtotal: €132,73 ($137.12)
AmazonGlobal Expedited Shipping: €15,17 ($15.79)
Total before Tax: €147,90
US NJ Tax: €9,80
Total: €157,70 ($166.28)


Considered to be the best adaptive battery charger / maintainer available now. I strongly urge making your research before buying, as you might not need such a high-tech charger. You might need less sophisticated CTEK MXS 5.0 [amazon.com] for $75 (without shipping and tax on amazon US).

Review [c-magazine.com] About [ctek.com]
The CS One features CTEK's new Adaptive Boost Technology and can get a flat battery running in just 15 minutes. "Adaptive Boost" means that the charger will only deliver the necessary power requirement, based on its initial, automatic analysis of the state of the battery. Upon evaluation, it will determine the safest way to deliver just enough power to start the vehicle — no more, no less. As opposed to common "boosters" or "jumpstarters," the CS One will not shock your battery to life, thus avoiding damage to the battery or the vehicle's electronics.
The CS One is the brand's 12V adaptive battery charger that features the unique APTO Adaptive Charging Technology. APTO charging goes beyond the conventional multi-step charging, by doing all the thinking for you. Once connected to the battery, the CS One will evaluate the chemistry, size, and heath of the battery, and then it will automatically apply the customized charging program required. It will likewise detect whether the ambient temperature is hot or cold and adjust the output voltage.

The CTEK CS One is perfect for those who want to be prepared for anything. Once fully charged, the CTEK CS One can last shelved for up to one year. It delivers up to 8A of power for all types of 12V batteries, including EFB and Lithium. What makes it versatile is that it also is able to charge mobile devices through the USB-C and USB-A charging ports that are built-in to the CS One.

Adding to its versatility, The CTEK CS One can also be used as a maintenance charger when connected to a power source, whether it's an AC outlet, a PD charger, USB-C cable, or even a 60W solar panel (using the optional solar panel charge kit). The main LED display will show how much time is left until the battery is fully charged and, as with the beauty of any CTEK charger, the battery can be kept connected without fear of overcharging.

CTEK CS One features a dedicated battery maintenance feature for lead-acid and lithium batteries, making it adaptive and compatible with any kind of vehicle battery. It will automatically detect bad cells in the battery and notify the user if a battery can no longer hold a charge. The charger also features a countdown indicator that will tell the vehicle owner when a flat battery can be restarted or how much time is left before a battery is fully charged.

Safety feature in the CS One is the Polarity-Free Clamps. Most vehicle owners confuse which is clamp goes on which terminal. The CS Free takes away this worry as the clamps automatically work out which clamp is on which charging point. It will then deliver the correct polarity for those terminals.

Apart from maintenance charging, the CTEK CS One also features RECOND (recondition) mode for bringing deeply discharged batteries to life, SUPPLY mode to turn the CS One into a 12V power supply, especially for vehicles that are highly electronics-heavy, and LITHIUM WAKE-UP mode for lithium batteries with under-voltage protection (UVP). The features can be accessed through the dedicated CTEK App that is free to download on iOS and Android.
  • Battery types (determined automatically): WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO₄
  • RECOND option to restore and recondition lead-acid batteries.
  • WAKE UP option to revive seemingly dead lithium and lead-acid batteries.
  • 12V SUPPLY to support the battery during service work and retain contact power to the vehicle during battery replacement / removal.
  • Solar panel charging
  • ADVANCED SETTINGS to monitor charger voltage & amperage (2-8 Amps).
  • Can be left safely connected for long periods during maintenance charging.
  • Controlled via Bluetooth by CTEK App, free to download on iOS and Android (not really needed, charger is fully automatic changing to the mode based on duration of charge, temperature and humidity).
  • Worldwide 5-year warranty.


https://www.amazon.de/-/en/gp/pro...title_s00?
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Deal Details
Community Notes
About the Poster
Compare to lower-end CTEK CS Free [amazon.com] at $374.99+Tax+Shipping
[carid.com] google the price, you will not be able to find anything cheaper than $300
.

Most advanced adaptive car battery as well as any other type of lithium battery car charger, maintainer, conditioner.
Swedish company CTEK [ctek.com] is the preferred battery charger for some of the most prestigious engineering brands in the world: Porsche, Audi, Lamborghini, Bentley Motors, Scania AB, BMW, Rolls-Royce Motor Cars, Chevrolet (Corvette), Ferrari, Alfa Romeo S.p.A., Maybach-Motorenbau GmbH, Aston Martin, Arctic Cat, Yamaha Motor Company, Maserati, Mercedes, and more.

One down-side it is 220VAC, need to use $15 step up 110VAC / 220VAC transformer.
Technically savvy can use any old transformer wired for 220V/110V (majority is), put 110V on one circuit, pickup 220V from two circuits. You need to use only in voltage, out circuits voltage is not important, left disconnected.

CTEK CS One automotive adaptive battery charger and maintainer [amazon.de] Amazon Germany
Outside EU price is €132,73 ($137), shipping to US €15.17 ($15.79) price shown on the webpage €157.95 includes VAT (European sales tax).

Price is in euro, Amazon EU S.a.r.L. can convert € to $, exchange rate is very good for USD now.
If your credit card has no foreign transaction fees with low exchange rate, and you do not pay sales tax in your state, the total price will be lower.

My Order Summary
CTEK CS One Subtotal: €132,73 ($137.12)
AmazonGlobal Expedited Shipping: €15,17 ($15.79)
Total before Tax: €147,90
US NJ Tax: €9,80
Total: €157,70 ($166.28)


Considered to be the best adaptive battery charger / maintainer available now. I strongly urge making your research before buying, as you might not need such a high-tech charger. You might need less sophisticated CTEK MXS 5.0 [amazon.com] for $75 (without shipping and tax on amazon US).

Review [c-magazine.com] About [ctek.com]
The CS One features CTEK's new Adaptive Boost Technology and can get a flat battery running in just 15 minutes. "Adaptive Boost" means that the charger will only deliver the necessary power requirement, based on its initial, automatic analysis of the state of the battery. Upon evaluation, it will determine the safest way to deliver just enough power to start the vehicle — no more, no less. As opposed to common "boosters" or "jumpstarters," the CS One will not shock your battery to life, thus avoiding damage to the battery or the vehicle's electronics.
The CS One is the brand's 12V adaptive battery charger that features the unique APTO Adaptive Charging Technology. APTO charging goes beyond the conventional multi-step charging, by doing all the thinking for you. Once connected to the battery, the CS One will evaluate the chemistry, size, and heath of the battery, and then it will automatically apply the customized charging program required. It will likewise detect whether the ambient temperature is hot or cold and adjust the output voltage.

The CTEK CS One is perfect for those who want to be prepared for anything. Once fully charged, the CTEK CS One can last shelved for up to one year. It delivers up to 8A of power for all types of 12V batteries, including EFB and Lithium. What makes it versatile is that it also is able to charge mobile devices through the USB-C and USB-A charging ports that are built-in to the CS One.

Adding to its versatility, The CTEK CS One can also be used as a maintenance charger when connected to a power source, whether it's an AC outlet, a PD charger, USB-C cable, or even a 60W solar panel (using the optional solar panel charge kit). The main LED display will show how much time is left until the battery is fully charged and, as with the beauty of any CTEK charger, the battery can be kept connected without fear of overcharging.

CTEK CS One features a dedicated battery maintenance feature for lead-acid and lithium batteries, making it adaptive and compatible with any kind of vehicle battery. It will automatically detect bad cells in the battery and notify the user if a battery can no longer hold a charge. The charger also features a countdown indicator that will tell the vehicle owner when a flat battery can be restarted or how much time is left before a battery is fully charged.

Safety feature in the CS One is the Polarity-Free Clamps. Most vehicle owners confuse which is clamp goes on which terminal. The CS Free takes away this worry as the clamps automatically work out which clamp is on which charging point. It will then deliver the correct polarity for those terminals.

Apart from maintenance charging, the CTEK CS One also features RECOND (recondition) mode for bringing deeply discharged batteries to life, SUPPLY mode to turn the CS One into a 12V power supply, especially for vehicles that are highly electronics-heavy, and LITHIUM WAKE-UP mode for lithium batteries with under-voltage protection (UVP). The features can be accessed through the dedicated CTEK App that is free to download on iOS and Android.
  • Battery types (determined automatically): WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO₄
  • RECOND option to restore and recondition lead-acid batteries.
  • WAKE UP option to revive seemingly dead lithium and lead-acid batteries.
  • 12V SUPPLY to support the battery during service work and retain contact power to the vehicle during battery replacement / removal.
  • Solar panel charging
  • ADVANCED SETTINGS to monitor charger voltage & amperage (2-8 Amps).
  • Can be left safely connected for long periods during maintenance charging.
  • Controlled via Bluetooth by CTEK App, free to download on iOS and Android (not really needed, charger is fully automatic changing to the mode based on duration of charge, temperature and humidity).
  • Worldwide 5-year warranty.


https://www.amazon.de/-/en/gp/pro...title_s00?

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May 12, 2022 2:38 PM
243 Comments
Joined Nov 2008
MusMusculusMay 12, 2022 2:38 PM
243 Comments
This looks like a nice unit. However, 220VAC.

More of a concern to me is that the most interesting features are described as being 'unlockable' through an app. That sounds like additional payment required, now or in the future. Maybe I'm just being paranoid.

"You can also unlock additional features such as 'RECOND', 'LITHIUM WAKE UP' and 'SUPPLY' through the dedicated CTEK App."

"Works with CTEK App to unlock 'RECOND', 'WAKE UP' and 'SUPPLY' modes"
Original Poster
May 12, 2022 2:40 PM
184 Comments
Joined Apr 2011
n4n
Original Poster
May 12, 2022 2:40 PM
184 Comments
Amusing, half a people voted not a good price. Are you even aware what is the cost of this charger?
Last edited by n4n May 12, 2022 at 11:36 AM.
1
Original Poster
May 12, 2022 2:41 PM
184 Comments
Joined Apr 2011
n4n
Original Poster
May 12, 2022 2:41 PM
184 Comments
Quote from MusMusculus View quoted comment :
This looks like a nice unit. However, 220VAC.

More of a concern to me is that the most interesting features are described as being 'unlockable' through an app. That sounds like additional payment required, now or in the future. Maybe I'm just being paranoid.

"You can also unlock additional features such as 'RECOND', 'LITHIUM WAKE UP' and 'SUPPLY' through the dedicated CTEK App."

"Works with CTEK App to unlock 'RECOND', 'WAKE UP' and 'SUPPLY' modes"
You are paranoid, it's all included. Voltage 100V-220V. Where did you see 220V only? Being checked.
Last edited by n4n May 12, 2022 at 11:00 AM.
2
May 12, 2022 2:49 PM
243 Comments
Joined Nov 2008
MusMusculusMay 12, 2022 2:49 PM
243 Comments
Quote from n4n View quoted comment :
Amusing, half a people voted not a good price. Are you even aware what is the cost of this charger?
If you down-vote, please post the reason, don't be lazy.
Well, it's SlickDeals, where people refuse to consider quality as a factor.

"But the same thing at Harbor Freight is only $20!"
May 12, 2022 2:51 PM
243 Comments
Joined Nov 2008
MusMusculusMay 12, 2022 2:51 PM
243 Comments
Quote from n4n View quoted comment :
You are paranoid, it's all included. Voltage 100V-220V. Where did you see 220V only?
Tech Spec chart on the Amazon page. Could be incomplete information. I have 220 available anyway, so it isn;t all that much of a concern for me, but others might need to check.

Input 220–240 VAC, 47–63 Hz, 1.2 A

Edit: The same tech specifications regarding input voltage are listed on the manufacturer's webpage: https://www.ctek.com/uk/battery-c.../cs-one-uk
Last edited by MusMusculus May 12, 2022 at 08:00 AM.
Original Poster
May 12, 2022 3:03 PM
184 Comments
Joined Apr 2011
n4n
Original Poster
May 12, 2022 3:03 PM
184 Comments
Difficult to believe that similar CTEK CS Free is 100V-230V and the higher end version CTEK CS One is only 220V. Then what is the reason for 47–63 Hz, since 220V is only 50Hz.
Anyway, I called and emailed CTEK to find out.

I have 220V available too.
$35 converter [grainger.com] might do the trick as well.

I will receive the charger on May 18th and will update the listing.
Last edited by n4n May 12, 2022 at 08:31 AM.
1
May 12, 2022 4:05 PM
2.5K Comments
Joined Aug 2005
aspen893May 12, 2022 4:05 PM
2.5K Comments
Quote from n4n View quoted comment :
You are paranoid, it's all included. Voltage 100V-220V. Where did you see 220V only?
It's a good deal, no need to be so defensive.

Sign up for a Slickdeals account to remove this ad.

Original Poster
May 12, 2022 5:53 PM
184 Comments
Joined Apr 2011
n4n
Original Poster
May 12, 2022 5:53 PM
184 Comments
Quote from chucktang View quoted comment :
It's a good deal, no need to be so defensive.
Actually, it was an honest mistake, being certain about input voltage on similar looking CTEK CS FREE assumed that post about input voltage on CTEK CS ONE was incorrect.
Probably it's working 110V as well, doubt that manufacturer will be producing different circuit boards for 2 models.

To protect car battery, considering $90 for regular maintenance charger and $150 for high-end, multipurpose and foolproof in my opinion is a bargain. Besides, it has a lot of other uses.

I had OEM Bentley charger from CTEK and both batteries in the car lasted for 8 years. Sold it with the car.
After that, replaced battery in wife's car and DieHard Platinum H8/49 lasted only 2 years with regular charger. Reason I did research on chargers and bought this one.

Even if it's only 220V, it's still worth $150 plus $25 step up voltage converter [ebay.com].
It's actually nothing sophisticated, and any transformer like in a laundromat that has 110V/220V wiring will work. Since it's AC to AC, no circuitry needed.
Last edited by n4n May 12, 2022 at 10:56 AM.
1
May 18, 2022 10:41 PM
2.5K Comments
Joined Aug 2005
aspen893May 18, 2022 10:41 PM
2.5K Comments
Quote from n4n View quoted comment :
Actually, it was an honest mistake, being certain about input voltage on similar looking CTEK CS FREE assumed that post about input voltage on CTEK CS ONE was incorrect.
Probably it's working 110V as well, doubt that manufacturer will be producing different circuit boards for 2 models.

To protect car battery, considering $90 for regular maintenance charger and $150 for high-end, multipurpose and foolproof in my opinion is a bargain. Besides, it has a lot of other uses.

I had OEM Bentley charger from CTEK and both batteries in the car lasted for 8 years. Sold it with the car.
After that, replaced battery in wife's car and DieHard Platinum H8/49 lasted only 2 years with regular charger. Reason I did research on chargers and bought this one.

Even if it's only 220V, it's still worth $150 plus $25 step up voltage converter [ebay.com].
It's actually nothing sophisticated, and any transformer like in a laundromat that has 110V/220V wiring will work. Since it's AC to AC, no circuitry needed.
Did you get it?
Original Poster
Jun 7, 2022 12:50 PM
184 Comments
Joined Apr 2011
n4n
Original Poster
Jun 7, 2022 12:50 PM
184 Comments
Sorry for delay, yes got it.
220V only.
I have 220V, but tried with transformer, work great. Did all my 5 batteries, according to analyzer life extended for 10%-30%. Current is low, so cheapest ($15) will do fine. Google for it, if can not find pm me I'll post the link.

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