02-10-2024, 08:03 AM | #1 |
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Battery degrading on the PHEV. Solutions
Hey guys.
I have been thnking about the battery degradation After few years the PHEV cars will be not so good because of that. How expensive is it to replace them for a new one and can you monitor the life of the battery?
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02-10-2024, 08:11 AM | #2 |
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in the US, we can pull a telematics report that shows "energy content of the high voltage battery". i do this every month. while there already has been some degradation, i haven't seen a performance or range issue. in Dec 2020, it was 17.1kWh; last month, it was 15.1kWh. i have noticed ambient temperatures affecting this number (higher when warmer; lower when colder)
the few folks that have had their complete HV battery modules replaced had paperwork that showed ~$20k. luckily, it was under warranty so they didn't have to pay anything out of pocket Last edited by nZtiZia; 02-10-2024 at 08:26 AM.. |
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02-10-2024, 08:37 AM | #3 |
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Also I was wondernig about one thng.
Along with batteries getting better and better. Do you think there will be upgraded batttery packs available for the lets say 45E?
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02-10-2024, 08:42 AM | #4 |
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02-10-2024, 09:09 AM | #5 |
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Here's a though, lets say if there is an issue with 45e that results in a requirement for the battery to be replaced! Does BMW install battery for 450e, or does BMW install battery for 50e?
Also, could the owner then pay the difference for programming the 45e to perform like 50e? I mean, it seems like a wasted opportunity to upgrade from 45e power to 50e power. Thoughts
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02-10-2024, 10:12 AM | #6 |
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I imagine it wouldn’t be a simple swap to put a 50e battery into a 45e. There are likely design differences as well as size differences both of the battery and of the space in the vehicle where the battery goes but that’s just my guess I don’t know for sure
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02-10-2024, 10:54 AM | #7 |
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Are 45e/50e batteries water cooled?
Speaking from other plugins/tesla experience, the battery degradation is akin to price depreciation, where after the initial 10-20% in years 1-3, the drop slows to 1-2% after that. Having said that, the battery longevity is very dependent on operational conditions, especially cooling. I doubt it is an issue in Iceland, unlike the US, especially in the South, where air cooling like in Leafs proved to be insufficient. |
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02-10-2024, 10:54 AM | #8 |
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IMHO EVs are not the panacea many are hoping for. Environmental issues associated with their manufacture, disposal/ recycling of batteries not to mention the high cost of replacement. Also in some areas the cost of charging can be costly and much more frequent in cold climate areas.
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02-11-2024, 08:10 AM | #9 | |
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02-11-2024, 09:49 AM | #10 | |
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02-11-2024, 10:13 AM | #11 | |
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1. Maximum energy content of the high-voltage battery 17.06 kWh 2. Energy content of the high-voltage battery 15.76 kWh I am now thinking that #1 is the original capacity as originally built (should be same for all 45e) and #2 is actual as of today. #1 is under the heading "Basic Data of your Vehicle" and #2 is under "Electric Vehicle Data". Sorry for confusion. |
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02-11-2024, 10:53 AM | #12 | |
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correct. energy content (#2) is the capacity of your HV battery as of today |
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02-11-2024, 02:41 PM | #14 |
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I have almost 51000 km on my 45e, 23000 km of that were electric. The battery energy content in August 2023 was 21.38 kWh, in December 2023 20.74 kWh and now 21.14 kWh. The maximum value is 22.29 kWh in two reports and missing in the third. I always charge the battery to 100% when I get home.
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02-11-2024, 03:28 PM | #15 | |
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How is this possible? |
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02-11-2024, 05:39 PM | #17 | |
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Shawn |
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02-11-2024, 05:41 PM | #18 | |
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02-11-2024, 05:43 PM | #19 |
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They don't do that for the 45e/50e and other PHEVs, there is no battery heating.
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02-11-2024, 05:49 PM | #20 | |
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PHEV page 30. It's listed as "cooling" It is air conditioning type system. I can't sort how the car heats the cabin for preconditioning, and why they wouldn't use that on the battery if it doesn't have a heat pump, or some sort of electrical heating. Shawn |
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02-11-2024, 05:51 PM | #21 | |
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02-11-2024, 05:54 PM | #22 |
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I catch that the technical manual calls it cooling.
But they DO have a heating system for the cabin. Why don't they do that on the battery too? Especially for Iceland/Greenland/etc.? Because it won't affect long term battery life and you have backup? The pure EV's definitely have battery heating and cooling. Shawn |
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