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⚡ Charge smarter, drive further—never get caught powerless again!
The CTEK Time To Go Battery Charger Kit is a premium, fully automatic 12V lead-acid battery charger designed for fast, safe, and intelligent charging. Featuring a unique Time To Go display and indicator eyelet, it provides real-time feedback on battery status and charging progress. Its robust safety features include reverse polarity protection and short-circuit proofing, while the included accessories ensure easy, damage-free use. Ideal for professionals and enthusiasts alike, it supports long-term battery maintenance with an automatic CARE mode, making it the ultimate solution for reliable vehicle battery care.


| ASIN | B0F2TNV6QZ |
| Best Sellers Rank | 11,783 in Automotive ( See Top 100 in Automotive ) 95 in Car Battery Charging Units |
| Brand | CTEK |
| Colour | white |
| Country Of Origin | China |
| Customer Reviews | 4.8 out of 5 stars 32 Reviews |
| Included Components | CT5 Time to Go, Indicator Eyelet, Connect Clamp, Bumper 60, CTEK Ready Sticker, CS Storage Bag |
| Item Type Name | Battery Care |
| Item Weight | 0.9 Kilograms |
| Item weight | 0.9 Kilograms |
| Manufacturer | CTEK |
| Manufacturer Part Number | 40-688 |
| Min. Operating voltage | 12 Volts (DC) |
| Minimum Operating Voltage | 12 Volts (DC) |
| Model Number | 40-688 |
| Product Warranty | Statutory Rights |
| Specification Met | IEC 61010-1:2000-1, IEC 61326 |
| Specification met | IEC 61010-1:2000-1, IEC 61326 |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
A**A
Fast, intelligent charger with genuinely useful Time To Go display
I bought this to replace a much slower charger, and I’m glad I did. I’ve used it on a 2015 Porsche Boxster that suffers from some kind of parasitic battery drain, and have completed around four charging sessions so far. It has charged my battery from low (though not completely flat) to full in under six hours. Connecting the eyelets to the battery terminals was straightforward, although it’s worth noting that if your car has a battery monitoring sensor (as many modern cars do), you should avoid connecting the eyelet across both battery terminals. Instead, connect the negative lead to a suitable chassis earth so the car correctly detects that the battery is being charged. The Time To Go display isn’t just a gimmick – it provides genuinely useful information on the progress of the charge. Combined with the included traffic light indicator eyelet, it’s easy to get a good idea of the battery’s condition before deciding whether it needs charging. Out of curiosity I connected the charger to a smart plug to monitor its power consumption. It initially delivered up to around 70 W before gradually tapering the output as the battery approached full charge, eventually dropping to around 16 W. This is exactly what you’d expect from a quality smart charger and gives confidence that the battery is being charged safely rather than simply being fed a constant current. The build quality feels excellent. The kit also represents good value, including the traffic light eyelet, a silicone bumper to protect your paintwork, and a nice storage case with handle to keep everything tidy when not in use. One thing to be aware of is that the supplied eyelet lead fits M8 battery terminal bolts. The eyelet is NOT the M6 eyelet lead. It is better to have the larger M8 vs the M6 - the top of the bolt will still make the connection. But if the eyelet was too small to begin with, you'd have problems with the diameter of the bolt. My only minor criticism is that I’d like the cable between the charger and the connector to be a little longer. It isn’t quite long enough to reach comfortably over the bonnet to the ground, so I tend to rest the charger on the plastic trim below the windscreen instead. Once charging is complete, the charger automatically switches into CARE mode, making it suitable for long-term maintenance charging if your vehicle is in storage or you simply want to keep the battery topped up. The eyelet connector is also well sealed against dust and water ingress, although I’d still avoid leaving it somewhere water could collect. Overall, I’m very happy with this charger and would happily recommend it over competing products. 5 stars.
R**T
Perfect bit of kit
Perfect With the in car plug i can keep the kit car ready to go as soon as the sun comes out.
K**D
Vey happy with this
Vey happy with this Both my wife and I make frequent short trips that load the battery quicker than it can charge Nice quick charge time and so simple to use
P**N
Well impressed
Absolutely quality bit of kit, my project work van had been sitting for months with a dead battery and after having this on the battery is as good as new and not needed to worry about battery life as this is now plugged in permanentl, I now have it on maintenance mode and have not had to worry about it since, its incredibly easy to use and comes with 2 different types of connector leads, I have it hard wired into my battery and it has some very nice clips if you wish to disconnect at any point. The price is extremely reasonable as depending on the type of battery you have they can become very expensive and this charger will charge them all.
M**N
Works great
Superb piece of kit can be used on my specific type of car battery. Goes through the specific cycles to condition the battery.
A**R
Easy connection to battery
Great versatile charger. Fixed connection to battery means easy connection without removing covers
K**Y
Great
Great charger
R**N
LED indicator based Car Battery & maintainer charger. Battery conditioner. Quality brand = pricey
This kits comes in a nice storage bag and with good length leads in and out. It has good quality clamps for temporary connection but also ring lead connectors so you an fit it to your vehicles battery and leave attached, then just plug the charger into the leaqd with the quick connect plug when needed. It is a good average/mid-range output, 5A max, and the whole item seems well made and well thought out, with good connectors and clamps for example. This make is a real brand, its sold in Halfords for example , and while their own brand ones are half the price, this CTEK one is cheaper than it is in Halfords at this time, so for the brand the £80 (May '25) price is ok value, though less good value if you are not bothered about brand when compared to own brand versions from stores. Also this indicates the battery condition and charge status etc using a series of 3 LED, rather than a LCD screen, that can of course give more info and is mnuch clearly to use. There are also LED for the different modes. Of course it works well and pretty quickly on standard car/bike/van batteries. Its also nice that it has LED on the connector plug for the battery charge., and has a good case, not just a card box. So a good mid-speed charger without screen, but at a price because a branded name.
Trustpilot
1 week ago
1 month ago