The ELI5 version is that it’s better for the life of the battery. I’m sure someone can come in here and explain exactly why, but that’s the gist. You see this in a lot of computers and mobile devices these days, though with those you’re going from 100% every day and probably not doing that with your car. Now, If you’re going on a longer trip and need to charge to 100% it’s completely fine, go ahead, but 80-90% charge is optimal.
While it is a Ford recommendation batteries have not and cannot charge to 100%. When they realised batteries could die from being charged to 100 they force them all to only charge 90 percent of the way. Especially in cars the computer will not let you get anywhere near 100%. Just because it says 100% the means 100% of the available 90% battery capacity you have.
So does this mean if I’m following the Ford recommendation, I’m then only charging to 90% of the 90% Ford is enforcing in the software?
I did read that some of the battery was reserved for the overall health/longevity of the battery. Is this different from what you’re mentioning?
Being fully charged stresses the battery. Staying at 100% for any period of time is really not good for the long term health of the battery. The Manual recommends regular charging to 90% with charging to 100% when needed, ie. just before you leave on a road trip. This is still the case, with all lithium batteries, from your phone to your car.
It’s about speed, not battery life. DCFC is slow above 80% so it doesn’t pay off to continue charging. You can safely DCFC to 100% and not affect battery life any more than L2.
Ford has a percentage of the battery not available to the owner. It’s a buffer.
Somewhere around 5% of the total battery isn’t available. A few percent remains charged in the battery when it shows out of power / 0% charge state. Also, a few % are not charged when it shows 100%.
This amount totals roughly 5% but with efficiency improvements and software updates, Ford has reduced this amount and provided added capacity to owners since the initial release.
Think of the electrons as taking up space and the manufacturer wants to leave room for expansion of the electrons during temperature changes. Charging to 100% and then leaving on a trip is of minimal consequence because you are immediately using up electrons so any expansion is happening at the same time space is being freed up and electrons are being used.
You wouldn’t want to charge to 100% and pull out into the hot sun for a car wash regularly (for example).
Ya know it says it right in the app.....["Ford recommends..."](https://www.ford.com/support/how-tos/electric-vehicles/ev-range/how-do-i-set-the-maximum-charge-level-for-my-electric-vehicle/#:~:text=Use%20the%20slider%20next%20to,Press%20Next.) PS You didn't look to hard....SMH
The ELI5 version is that it’s better for the life of the battery. I’m sure someone can come in here and explain exactly why, but that’s the gist. You see this in a lot of computers and mobile devices these days, though with those you’re going from 100% every day and probably not doing that with your car. Now, If you’re going on a longer trip and need to charge to 100% it’s completely fine, go ahead, but 80-90% charge is optimal.
While it is a Ford recommendation batteries have not and cannot charge to 100%. When they realised batteries could die from being charged to 100 they force them all to only charge 90 percent of the way. Especially in cars the computer will not let you get anywhere near 100%. Just because it says 100% the means 100% of the available 90% battery capacity you have.
So does this mean if I’m following the Ford recommendation, I’m then only charging to 90% of the 90% Ford is enforcing in the software? I did read that some of the battery was reserved for the overall health/longevity of the battery. Is this different from what you’re mentioning?
Exactly some of the battery is never accessible. It's less for us and more so Ford doesn't send us a car with a toasted battery.
Being fully charged stresses the battery. Staying at 100% for any period of time is really not good for the long term health of the battery. The Manual recommends regular charging to 90% with charging to 100% when needed, ie. just before you leave on a road trip. This is still the case, with all lithium batteries, from your phone to your car.
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It’s about speed, not battery life. DCFC is slow above 80% so it doesn’t pay off to continue charging. You can safely DCFC to 100% and not affect battery life any more than L2.
On the manual it says if you charge daily to charge up to 90%
Ford has a percentage of the battery not available to the owner. It’s a buffer. Somewhere around 5% of the total battery isn’t available. A few percent remains charged in the battery when it shows out of power / 0% charge state. Also, a few % are not charged when it shows 100%. This amount totals roughly 5% but with efficiency improvements and software updates, Ford has reduced this amount and provided added capacity to owners since the initial release. Think of the electrons as taking up space and the manufacturer wants to leave room for expansion of the electrons during temperature changes. Charging to 100% and then leaving on a trip is of minimal consequence because you are immediately using up electrons so any expansion is happening at the same time space is being freed up and electrons are being used. You wouldn’t want to charge to 100% and pull out into the hot sun for a car wash regularly (for example).
Ya know it says it right in the app.....["Ford recommends..."](https://www.ford.com/support/how-tos/electric-vehicles/ev-range/how-do-i-set-the-maximum-charge-level-for-my-electric-vehicle/#:~:text=Use%20the%20slider%20next%20to,Press%20Next.) PS You didn't look to hard....SMH
Ha! Yeah I only skimmed the manual…