I can only charge my battery to 12.3v
Discussion
I have an 80Ah battery on my car that is 6 years old.
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I noticed that at rest, left for a couple of days, my multimeter shows 11.8v. I put my 1ah trickle charger on to it and after only a couple of hours it read 'full'. The charger, unusually was very hot. My multimeter shows the battery at 12.3v only which I think is low.
The car starts ok now, but Is the battery on the way out?
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I noticed that at rest, left for a couple of days, my multimeter shows 11.8v. I put my 1ah trickle charger on to it and after only a couple of hours it read 'full'. The charger, unusually was very hot. My multimeter shows the battery at 12.3v only which I think is low.
The car starts ok now, but Is the battery on the way out?
andygo said:
No problem Polly. A liitle thanks often goes a long way.
Having said that, whilst I realise a 'closed' question generally is only entitled to a yes or no answer, I was hoping to gain a little more insight into the health of my battery.
Thanks.
Sorry about that, no offence meant. As now posted above 12.3 volts is low, 2 hours and won't take more charge is also a good pointerHaving said that, whilst I realise a 'closed' question generally is only entitled to a yes or no answer, I was hoping to gain a little more insight into the health of my battery.
Thanks.
The unknown at this time is, did the battery that is on its way out drop to 11.8 volts because it is in very poor condition or is there something putting a drain on the battery when vehicle is parked up. Chances are it's the battery rather than a drain but.....
Polly Grigora said:
Sorry about that, no offence meant. As now posted above 12.3 volts is low, 2 hours and won't take more charge is also a good pointer
The unknown at this time is, did the battery that is on its way out drop to 11.8 volts because it is in very poor condition or is there something putting a drain on the battery when vehicle is parked up. Chances are it's the battery rather than a drain but.....
Haha, wasn't offended in the slightest, I thought it was a great reply TBH. If you don't ask the right questions, you'll never get the right answers! The unknown at this time is, did the battery that is on its way out drop to 11.8 volts because it is in very poor condition or is there something putting a drain on the battery when vehicle is parked up. Chances are it's the battery rather than a drain but.....
The battery is on a 25,000 mile old 2016 Porsche 981 Cayman GTS that I bought a month ago from a Porsche dealers at top dollar. They are saying 12.3v is fine. I'm saying why doesnt the stop start work?
Its currently been standing for 2 days and showing 11.9v. Whilst it starts fine, its not right and isn't going to get better in the cold weather...
Jaz2000 said:
Dealer trying to fob you off because its going to be at least £200 for a stop start battery, although its probably not covered by warranty as it will be classed as a consumable.
A lot of Stop-Start aren’t 80Ah, 096 for example, 70Ah and 760A Varta for less than £100 from Tayna. 80 Ah 800A for less than £150.Food for thought peeps.During my job as a roadside tech I frequently recharge batteries overnight.On occasion I have to use my old school back up charger which only manages a 12.4v recharge regardless of time left on.My regular Ctek smart charger gets to 12.8,sometimes 13.2 on a reconditioning cycle.Cteks retail at about £90 but are much better than the old metal monsters with their thin cables and an amp gauge that your never sure is working!!
Bit late but glad OP is getting a free battery.
Just adding that the good thing about lead acid cells is that they are an ancient, well understood technology with a wealth of knowledge about how they work, failure modes, repairability and so on.
However, we've massively changed the way we use them in cars in the last few decades, as well as how cars respond to a sick battery. Six years is now a pretty good life for a lead acid battery these days, hence why the warranty is generally 5 years or less (with the cost of replacing early-death batteries built in to the cost of the battery).
This sometimes gets missed when someone has been driving since the 60s and complains that batteries are rubbish now because they have to replace it every 2-3 years. Often because their mileage is now all short drives, the battery never gets properly charged and then gets run down powering the alarm and so on. Then they get the message on a cold morning telling them "no heated seats for you, the battery voltage is too low!" or the engine simply doesn't start.
Just adding that the good thing about lead acid cells is that they are an ancient, well understood technology with a wealth of knowledge about how they work, failure modes, repairability and so on.
However, we've massively changed the way we use them in cars in the last few decades, as well as how cars respond to a sick battery. Six years is now a pretty good life for a lead acid battery these days, hence why the warranty is generally 5 years or less (with the cost of replacing early-death batteries built in to the cost of the battery).
This sometimes gets missed when someone has been driving since the 60s and complains that batteries are rubbish now because they have to replace it every 2-3 years. Often because their mileage is now all short drives, the battery never gets properly charged and then gets run down powering the alarm and so on. Then they get the message on a cold morning telling them "no heated seats for you, the battery voltage is too low!" or the engine simply doesn't start.
Bought my last battery for my old Saab at an old school shop in Yorks. Cash only. lots of stock & busy with local small garages & boat owners. He looked up what I needed, said give me a minute, disappeared into the back & came back with a `DETA` battery. I`d never heard of them & said as much. Pick the #ucker up was his reply. It weighed a ton! He followed with an expletive ridden analysis of the European & British battery industry over the past 20 years & how despite being able to manufacture superb batteries with great performance which would last for many years the ##}{ts were fleecing motorists with s---- quality stuff as nobody cared about a decent product any more. He had to fill that battery with acid, charge it for 2 days & then I collected it. It's still going well after 12 years....
SlimJim16v said:
It's probably knackered, but you need to try a proper Optimate or ctek charger, set to AGM.
Plus one for that! I left the rear view camera on, in my camper van for three weeks, and drained the battery. A recharge didn't hold, but a night on my CTEK in "Restoration" mode got it back to workable condition.John
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