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40-165 Battery charge indicator with 12 V Comfort connector 22 cm, Yellow, red

40-165 Battery charge indicator with 12 V Comfort connector 22 cm, Yellow, red

Q: I used this in my mercedes c class 2013 and it did not work with the cigarette lighter attachment . Can you advise why?

Suppose you checked the lighter socket is live with ignition off?

Q: I have plugged my traffic light adapter into a live cigarette socket, the battery is fully charged but the indicator only shows a red light

Hello. In my case the stop/start function stopped working, I suspected it was a battery issue but did not have any problems starting. It was in the middle of the first lockdown and the car had been in the garage for long periods of time, I thought the battery just needed a boost. I bought a smart charger and the traffic light adaptor. The traffic light was red, so I put the battery on charge it took 7 hours until it indicated full charge. A month later I was back in the same situation, the battery was 4 years old so I replaced it. I think the battery needs to be more than 80% charged for the stop/start to work. I noticed in hindsight that well known car accessory stores will perform an in depth check on the health of the battery, I should have gone down this route rather than buying the charger etc. The car hadn't moved since Friday, I tried the traffic light this morning and it was green. Hope this helps

Q: Can thsi be used with 12 volt lithium lifepo4 car starter batteries or is it only for lead-acid batteries?

This is an electronic device designed to measure a car battery voltage via car's cigarette lighter. The type of battery should be irrelevant.

Product ID: 67558049

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Details

Brand
CTEK
Colour
yellow
Product dimensions
31D x 6W x 5H
Item weight
0.05 Kilograms
Output voltage
12 Volts

💧IP65 rated water & dust protection

📏8.5 cm compact cable length

🔌Universal fit for 12 mm & 22 mm sockets

Frequently Bought Together

CTEK 40-165 Battery charge indicator with 12 V Comfort connector 22 cm, Yellow, red

CTEK MXS 5.0 Battery Charger with Automatic Temperature Compensation, Black

CTEK 56-304 Connect 2.5M Extension: extend the range of your charger

Description

🔋 Stay charged, stay ahead — never miss a beat with CTEK!

RUGGED DURABILITY - IP65 protection ensures reliable performance rain or shine
COMPACT CONVENIENT - Sleek 8.5 cm cable fits effortlessly in any vehicle setup
LIGHTWEIGHT PORTABLE - Weighing just 50 g, it’s the perfect on-the-go battery companion
INSTANT BATTERY INSIGHT - LED traffic light system gives you real-time battery status at a glance
UNIVERSAL COMPATIBILITY - Works seamlessly with both 12 mm and 22 mm cigarette lighter sockets—no adapters needed

The CTEK CTX Indicator Plug 12V is a compact, lightweight battery indicator designed for universal use with 12 mm and 22 mm cigarette lighter sockets. Featuring an IP65 rating for water and dust resistance and an intuitive LED traffic light system, it provides instant, reliable battery status updates to keep your vehicle powered and ready.

Specifications

Manufacturer	CTEK
Brand	CTEK
Model	CTX INDICATOR PLUG 12V
Product Dimensions	22 x 8.5 x 12 cm; 50 g
Item model number	40-165
Manufacturer part number	40-165
Position	Left
Special Features	Direct charging via 12 V on-board socket, LED traffic light system
Item Weight	50 g

Have a Question? See What Others Asked

I used this in my mercedes c class 2013 and it did not work with the cigarette lighter attachment . Can you advise why?

I have plugged my traffic light adapter into a live cigarette socket, the battery is fully charged but the indicator only shows a red light

Will this work in a din socket? is it just a case of taking that red connector off? looking to use on my motorbike.

Can thsi be used with 12 volt lithium lifepo4 car starter batteries or is it only for lead-acid batteries?

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