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S60 & V60 '11-'18 / XC60 '09-'17 General Forum for the P3-platform 60-series models |
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Low Battery MessageViews : 14682 Replies : 77Users Viewing This Thread : |
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Oct 14th, 2020, 14:47 | #31 | |
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Quote:
On this occasion, perhaps it's my misunderstanding. When I took it in for the service last month and mentioned the "Low Battery" warnings on the dashboard, they said they did run the diagnostics and the battery was not holding a good charge and recommended it be replaced. From my (poor) memory, I recall them quoting around £180. When I called yesterday to book in the battery replacement I simply said I needed a new battery, the stop/start isn't working, diagnostic message, etc. It was me that suggested that both batteries needed replacing, not the chap on the phone, so perhaps he was just quoting what I'd asked for, not what actually needs replacing. Although he did ask if stop/start wasn't working and seemed to agree both batteries would need replacing. Now reflecting on that call, the service history should show the results of the battery diagnostics and from that they should be able to see what needs replacing. I will add that I didn't recognise the guy who I spoke to on the two calls yesterday - the servicing department is usually manned by <name respectfully withheld> who has knowledge of my car and its history and might have been more thorough dealing with my call. However, having now learned I can likely fix this with a good quality charger and a BMS reset, I'm now willing to try to fix this myself. |
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Oct 14th, 2020, 16:15 | #32 | |
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Quote:
https://www.youcanic.com/guide/charge-volvo-car-battery |
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Oct 14th, 2020, 16:27 | #33 |
jasmith44
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Yes it does but if you are charging it in the house it will be a bit awkward.
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Oct 14th, 2020, 16:55 | #34 |
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Also out of interest, does it matter that in "reconditioning" modes these kinds of chargers have an output voltage quite a bit higher than encountered during normal charging? IIRC the Noco I have operates at around 16v in that mode and the manual suggests removing it from the vehicle to "prevent damage to electronics".
Is that really likely to be a problem? I did remove mine but it wasn't in a Volvo and was easily extracted.
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Oct 14th, 2020, 17:02 | #35 | |
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Quote:
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Oct 14th, 2020, 17:25 | #36 | |
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So, I plan on leaving the battery in the car.
Quote:
Once that's done
Have I got that right? |
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Oct 14th, 2020, 18:18 | #37 | |
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*Yes, the charger positive clip then goes to the battery. *Actually I'd then put the charger negative clip onto the battery negative (seeing as how we're discussing battery reconditioning) *I'm not sure how the CTEK is then used (I have a Hyundai smart charger, which also has a reconditioning mode)
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Oct 15th, 2020, 08:51 | #38 | |
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Apologies, I used a stock "car battery" photo from google - it isn't a photo of my battery!
Quote:
Even the CTEK manual is confusing [link]. The basic instructions on page 1, step 1 simply says "connect the charger to the battery". However, page 6 says for batteries still inside the vehicle, connect the negative to the chassis. I'm inclined to follow that. A funny observation, page 7, safety notes say "Always check that the charger has switched to STEP 7 before leaving the charger unattended and connected for long periods. If the charger has not switched to STEP 7 within 50 hours, this is an indication of an error" - So I gotta sit with the charger for 50 hours, before leaving it...!? |
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Oct 15th, 2020, 09:15 | #39 |
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I've honestly got no idea why you imagined it would be helpful to attach a stock photo of a car battery that has no relation to your own, but I can't be bothered to now unravel the advice I gave after looking at it!
Just be aware that 'reconditioning' is NOT the same as routine charging and so it may not be a good idea to run this process via the BMS sensor; that was the point I was making. But following the instructions given for your charger is probably the best plan. Have you identified whether your battery is an EFB or AGM type? My charger requires a different setting.
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Oct 15th, 2020, 12:54 | #40 |
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That ^^^^^ if you are doing a reconditioning procedure and not just re-charging partially discharged battery and therefore need to disconnect the battery - it doesn't matter which lead you disconnect - and if you disconnect the positive lead you should attach the -ve lead from the charger direct to the battery terminal in these circumstances.
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