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CTEK - Car battery charger/maintaine 7002 - $100.99 / MXS 5.0 $72.77 and other models

$100.99
$105.60
+8 Deal Score
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Amazon has the CTEK Car charger and maintainer range at great prices. Since you may not be driving much in the coming weeks, you may want to think about connecting your car battery to a battery tender/charger.

CTEK is used by all major brands like BMW / Bentley / Porsche as their OEM supplier. The car manufacturer sticker on it in most cases (at least) doubles the price.

MXS-5.0 / $72.77 / https://www.amazon.com/CTEK-40-20...123&sr=8-5

7002 / $100.99 / https://www.amazon.com/CTEK-56-35...123&sr=8-6

MUS 4.3 test and charge / $91.97 / https://www.amazon.com/CTEK-56-95...123&sr=8-7

CT5 / $92.18 / https://www.amazon.com/CTEK-40-25...NrPXRydWU=

Delivery times are long, but I got CAR-ID to price match on the 7002: https://www.carid.com/ctek/multi-...6-353.html
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Deal
Score
+8
8,100 Views
$100.99
$105.60

Price Intelligence

Model: CTEK (56-353) MULTI US 7002 12-Volt Battery Charger,Black

Current Prices

Sort: Lowest to Highest | Last Updated 6/30/2025, 12:46 PM
Sold By Sale Price
Amazon$140.95
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Joined Jan 2008
L8: Grand Teacher
> bubble2 3,433 Posts
2,973 Reputation
sphere2040
03-24-2020 at 06:02 AM.
03-24-2020 at 06:02 AM.
Yup agreed - need to maintain the charge on idle cars.

Just an experience - I purchased an Autocraft Gold battery from AdvanceAutoParts, it came with 3 year warranty. At 2.5 years - it died, went in for a replacement - the purchase did not show up in their iventory/receipt computer. Luckily i had the online order/pickup email and the store receipt. The amount attitude I got from the store employee was beyond reason. He was blaming me for the computer not showing the purchase. Got a new battery - worked for a year before it too died. Since the original warranty is only for 3 years, it doesnt reset at 2.5. Pretty shitty experience at AAP. Never again.
Reply
Joined Mar 2010
L6: Expert
> bubble2 1,212 Posts
156 Reputation
davedumontier
03-24-2020 at 08:49 AM.
03-24-2020 at 08:49 AM.
Thank you. I found a CT5 in as new condition for $68. Everyone on Rennlist likes these chargers.
Reply
Joined Aug 2010
B!tch Please
> bubble2 6,107 Posts
625 Reputation
Truth-Serum
03-24-2020 at 09:37 AM.
03-24-2020 at 09:37 AM.
Get an AGM battery. Mine lasted for more than 3 years
Reply
Joined Nov 2015
L6: Expert
> bubble2 1,001 Posts
221 Reputation
qqzj
03-24-2020 at 09:54 AM.
03-24-2020 at 09:54 AM.
how does ctek compare to battery tender? thanks. it is a bit confusing why ctek has so many models without clear difference. why couldn't these makers make their product line a bit cleaner and keep the model name informative?
Reply
Joined Jul 2017
L2: Beginner
> bubble2 74 Posts
89 Reputation
Kmayer698
03-24-2020 at 11:40 AM.
03-24-2020 at 11:40 AM.
If you have a basic 12v lead-acid battery, just get a cheapie. If you have an AGM or exotic battery, you need something better. Otherwise, save $80. https://www.amazon.com/Battery-Tender-021-0123-Junior-Charger/dp/B000CITK8S/ref=sr_1_9?dchild=1&keyw... [amazon.com]
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Joined Oct 2012
SD for profit
> bubble2 3,480 Posts
756 Reputation
SturgeonGeneral
03-24-2020 at 12:50 PM.
03-24-2020 at 12:50 PM.
Quote from Truth-Serum :
Get an AGM battery. Mine lasted for more than 3 years
3 years should be the minimum expectancy for any car battery, most people get 4-6 with lead acids if they're not used hard.
Reply
Joined Feb 2013
L2: Beginner
> bubble2 53 Posts
38 Reputation
Original Poster
TrappistMonk
03-24-2020 at 12:53 PM.
03-24-2020 at 12:53 PM.
Agree,

It is confusing. My car has an AGM high power battery. So this is the logic of elimination I followed:

The CT5; tells you when it is ready to go --> don't need that
The MUS 4.3 can runs a test --> don't need that

So it was between the MXS 5.0 and the 7002. the 7002 is sold in Europe as the MXS 7.0 and should have a higher output. For the little extra costs, I just picked the 7002.

Not scientific, not tested, but it helped me decide. The other poster is correct, the cheap once should do as well. My car can be connected through the cigarette lighter with a special adapter and CTEK has one that hooks up to all their chargers, so I went for CTEK. Especially since the current prices on Amazon are great.

Quote from qqzj :
how does ctek compare to battery tender? thanks. it is a bit confusing why ctek has so many models without clear difference. why couldn't these makers make their product line a bit cleaner and keep the model name informative?
Reply

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Joined Apr 2013
L3: Novice
> bubble2 784 Posts
74 Reputation
koreanbeefcake
03-24-2020 at 01:08 PM.
03-24-2020 at 01:08 PM.
I have the 3300. No idea if it's the best one. I use it for my weekend Corvette. Sleeps all winter. I do like the quick connect lines.
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Joined Jul 2005
White and Nerdy
> bubble2 432 Posts
60 Reputation
shatter
03-24-2020 at 08:21 PM.
03-24-2020 at 08:21 PM.
Have had a MUS 3300 for about 12 years and it has worked flawlessly. Picked up the MXS 5.0 for a second card/

Thanks!
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Joined Jun 2007
L6: Expert
> bubble2 1,562 Posts
215 Reputation
BuddhaTB
03-24-2020 at 08:39 PM.
03-24-2020 at 08:39 PM.
I have the MUS 4.3 and it works like a charm on my vehicles. Highly recommend CTEK.
Reply
Joined May 2005
Temporarily Banned
> bubble2 7,887 Posts
vickh
03-24-2020 at 09:55 PM.
03-24-2020 at 09:55 PM.
"Restores battery life and reconditions flat batteries"? completely dead ? .
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Joined May 2009
٩(͡๏̯͡๏)۶٩(-̮̮̃-̃)۶
> bubble2 2,874 Posts
216 Reputation
ctbear
03-24-2020 at 10:10 PM.
03-24-2020 at 10:10 PM.
wow did these go up in price. I feel like when I picked up my MUS 4.3 it was only $61.50 this was back in 2018
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Joined Feb 2013
L2: Beginner
> bubble2 53 Posts
38 Reputation
Original Poster
TrappistMonk
03-25-2020 at 06:15 AM.
03-25-2020 at 06:15 AM.
It looks like they did go up in price. I did a quick search and found older deals, but no new deals since 2018. This is now the cheapest price and a good discount from retail which is what most vendors charge.

Quote from ctbear :
wow did these go up in price. I feel like when I picked up my MUS 4.3 it was only $61.50 this was back in 2018
Reply
Joined Mar 2010
L6: Expert
> bubble2 1,212 Posts
156 Reputation
davedumontier
03-30-2020 at 12:17 PM.
03-30-2020 at 12:17 PM.
I bought a like new CT5 for $68. It was new and I'm very happy.
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