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Don't be kept in the dark about the status of your battery's charge! CTEK's Comfort Indicator lights up w/ all the information you need to keep your battery healthy and fully charged.
Features:
Specs:
CTEK Comfort Indicator wiring cables plug together w/ any Comfort Connect end plug and are compatible w/ CTEK Comfort Connect 12V chargers.
The simple-to-read, traffic-light styling of CTEK's Comfort Indicator panels allows quick and easy evaluation of your battery's charge level.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to take a look at the CTEK Battery-Health Indicator Cable with the 8.4 Millimeter Eyelets for the 12-Volt Comfort Connect Chargers by CTEK. This cable will work with all the CTEK 12-Volt Comfort Connect Chargers. Just to show you what that means by the comfort connect, I happened to pull a CTEK 12-Volt Charger. This is a MULTI US 3300 model. You'll see on the end here, it has the cord. Then there's your Connect Comfort Connect plug right there.
With this attached to your vehicle, you just pop-off the cover, and you'll notice you just line it up, push it in, and that'll lock it into place. To remove it, you just push down to unplug it. Basically when you plug this in, you'll notice it has this display right here. This will allow you a quick glance access to your vehicle's battery charge lever. Now the thing you have to remember the battery we need to be tested must have had at least 1 hour to rest after driving or charging in order to display properly. You can see it's a simple traffic light style display, makes reading the indicator very easy.
Basically the first light here, if that lights up, that will show green. That means your battery's in good condition, does not need to be charged, so it's more than 80% charged. The middle light would be yellow. That means the battery should be charged to avoid damaging stratification in your battery. The yellow means it's between 60 to 80%.
If the top one, the red one lights up, that means it needs to be charged to enable restarts, less than 60% charged. Basically, this cable will equip you with the information you need to prolong the life of your battery. Properly charged batteries will last longer, saving you time and money. The specs on this, the application again, this is for all CTEK 12-Volt comfort connect chargers. Those are again the chargers that have that orange oval connector on them. Go ahead and put the plug back in.
When you're not using it and it's on the vehicle, you just put the plug in to protect it. The eyelet terminal size here is 8.4 millimeters. Again, that comes with the battery cable fuse, 15 amps. The length on this cord itself is 16 inches. Again, this part includes this 1 battery indicator with the 8.4 millimeter eyelet terminals. That should do it for the review on the CTEK Battery-Health Indicator Cable with the 8.4 Millimeter Eyelets for the 12-Volt Comfort Connect Chargers by CTEK.
Ratings & Reviews

David S.
5/21/2019
Installed it on my fifth wheel RV to keep an idea of the house battery charge. Its still working great!

Gwendolyn Y.
1/27/2025
Hey Jeremy! I'm glad that the second one got you. If this ever happens to you in the future, let me know directly and I can get it taken care of for you.

Jeff
5/19/2022
My Porsche stayed charged all winter and started right up in the spring.
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Ron H.
2/18/2021
Im convinced that CTEK makes the best battery maintenancechargers on the market. I now have 4 of them. Several of the accessories have the Indicator feature, making it very convenient to check battery status.