[veeeight]

^ +1

We use around 20 CTEK chargers of various current charging capacities at work commercially, and they are left connected at all times to both vehicle and leisure batteries 24/7/365 whenever the vehicles are parked.

Plus if it’s good enough for Harry and his vast collection of classic cars in his garage, it’s good enough for me

 

[Forrester]

Thanks for the reassurance 👍

 

[veeeight]

Thanks for the reassurance 👍

I’m not sure I would be that confident in an unknown brand charger of unknown origin and development though

 

[Forrester]

I’m not trusting it beyond the time I am around to make sure nothing catches fire. Although both charger types are available widely.

 

[Forrester]

Good news. My new charger fully charged the battery in around 3 hours. I am quite impressed by it and it may well defer the need for a new battery 👍. It also showed the battery was 80% charged before it started.

 

[veeeight]

It also showed the battery was 80% charged before it started.

It may well show SOC….

but extremely doubtful that it will measure SOH which is the important metric re aged batteries.

To test the true state and capacity of a battery you’d need a proper discharge tester.

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As recounted many times on the forum, no-load voltage on its own is a poor indicator of battery health.

So your “fully charged” battery may well be “fully charged” but only to say 60Ah instead of the 80Ah it was when new.

 

[Forrester]

My main metric will be if the start/stop is active tomorrow 😂

 

[veeeight]

…… or in a weeks time …..

 

[gwynp]

I must admit that my battery check consists of leaving the start/stop function on until it becomes active and then switching it off. If that didn’t happen then I’d be asking the dealer to take a look at the battery. It hasn’t happened yet on my 21 plate W177 but it did on my previous W176 and when they checked they replaced it under warranty no questions asked.

 

[veeeight]