devonia Posted January 25, 2023 Share Posted January 25, 2023 The present battery is a YBX5096 80AH 740CCA - which appears to be larger than the standard. It's OK if I use the car every day but is self-discharging if I leave the car unused for a couple of weeks. I jump started it from my other half's mobility scooter - but I get the distinct impression that that isn't appreciated.... So probably best to replace it. What would you suggest as a suitable replacement? Quote Link to comment Share on other sites More sharing options...
Rojie Posted January 25, 2023 Share Posted January 25, 2023 10 minutes ago, devonia said: The present battery is a YBX5096 80AH 740CCA - which appears to be larger than the standard. It's OK if I use the car every day but is self-discharging if I leave the car unused for a couple of weeks. I jump started it from my other half's mobility scooter - but I get the distinct impression that that isn't appreciated.... So probably best to replace it. What would you suggest as a suitable replacement? Hello Keith, Welcome to the Forum. it is essential at this time of year, especially in these cold 'snaps', to keep your battery fully charged. Mine has a habit of self discharging, and is brand new. It turned out that the battery I replaced it with was fine. Imho, Tanya is a good source for batteries. 1 Quote Link to comment Share on other sites More sharing options...
devonia Posted January 26, 2023 Author Share Posted January 26, 2023 On 1/25/2023 at 10:19 AM, Rojie said: Hello Keith, Welcome to the Forum. it is essential at this time of year, especially in these cold 'snaps', to keep your battery fully charged. Mine has a habit of self discharging, and is brand new. It turned out that the battery I replaced it with was fine. Imho, Tanya is a good source for batteries. Thanks for that - much appreciated. Further experimentation (limited by being outdoors and very cold) - seems to show that my Alphard draws nearly half an amp when all locked up (only the bonnet open). Which MUST be something wrong. I'll start a different thread on that one, if that's OK? Quote Link to comment Share on other sites More sharing options...
Rojie Posted February 9, 2023 Share Posted February 9, 2023 On 1/26/2023 at 11:15 AM, devonia said: Thanks for that - much appreciated. Further experimentation (limited by being outdoors and very cold) - seems to show that my Alphard draws nearly half an amp when all locked up (only the bonnet open). Which MUST be something wrong. I'll start a different thread on that one, if that's OK? Of course it's OK. 500ma at 12v is 'only' 6watts. I believe a member recently pointed out that the head unit is live 24/7 to maintain memory, etc. 1 Quote Link to comment Share on other sites More sharing options...
devonia Posted February 9, 2023 Author Share Posted February 9, 2023 18 minutes ago, Rojie said: Of course it's OK. 500ma at 12v is 'only' 6watts. I believe a member recently pointed out that the head unit is live 24/7 to maintain. Yes, I have been pressing random buttons on that and with that and the passenger roof unit, plus what I think may be the iPad interface in a compartment below the drive selector. So, one of those could now be in the "Flatten the battery in no time at all" mode. Or it could be a "Year 2023" problem. It seemed fine, last year. Still waiting for it to get warmer though... I'm thinking of posting to ask if anyone knows a good source for these head units, alive or dead - it could be an interesting project to see what I could fit inside the body of one. Quote Link to comment Share on other sites More sharing options...
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