I am expecting 20 years on my first battery pack because I only plan to drive about 7,500 miles a year or less, at which point I expect 60% battery life which is actually still not that bad on a 400 mile battery with solar (which I will probably also replace at 20 years). My concern at this point is possibly having to replace the wrap at 10 or less years, depending on if they put a wrap at the top half of the car, since vinyl wraps don't like vertical exposure.
@n.bruce.nelson Wow, so they warranty their panels for 25 years and said their panels last for 40 years. THAT's impressive. And yes, looking at those cells, the color, lack of grid lines, and how they build, that's almost definitely what's being used. Quality.
@Silencz Note that this is speculation on my part but I have double checked many of their claims through my own sources from when I worked in this field and I am convinced that the folks at Aptera know what they are doing and are choosing top
@n.bruce.nelson Best guesses seem to be that it is inadequate panelization or counterfeit cells that are responsible for the instances of poor durability that I've seen reported. Setting aside the latter (I surely hope!), what remains to be seen is the effectiveness of Aptera's unique panelization and use circumstance for maintaining PV cell integrity. That's what I want to hear assurances of. I am cautiously optimistic.
If they give the usual 8 years of warranty the battery will be out of it in 2030, und usually last at least until 2035.
The chances, that there are third party battery experts, who can fix old batteries and add new ones with the, then current stand of technology, are very high.Imagine you replace your old 100KWh battery in your Aptera with a new 500KWh one that is also lighter. So you get >5000 miles.Would be a repeat of the early 2000s when SC cards grew from a few MB to multiple GB and suddenly the "remaining pictures to be taken" counter is stuck on 999.
I like this part of the article: "The state of health (SOH) needs to be readable by the driver without a tool". Like my phone's free "AccuBattery" app.
Cars like mine may have prompted this proposed rule. Mine requires full recharge on a metered charger (for the capacity reading), from fully dead where the motor stopped. Obviously that's rather difficult. You have to drive until it's very low, & then either:
- Drive around a charger's parking lot until it stops, & coast/push to the charger!
- Park by the charger with everything on until the motor disconnects itself which can take over 2 hours!
@Blake K My BEV's drive battery is 7.5 years old, with unnoticeable degradation.
Other users have done the rather involved process of accurately measuring it, at just under 2.3% per 10,000 miles, so at about 26k miles mine isn't noticeable because it's only about the same as a few mph headwind.
@kiteboarder There are two YT channels having looked into real world battery degradation in detail. Ove Kröger - T&T Mobility and TeslaBjorn.
Ove is a certified Tesla expert and helps clients buy new and used Teslas. He has a device reading the full battery, incl how much it was charged on AC, how much on DC and what the degradation is.
Fast fact - charge it on AC and it will last forever with almost no degradation.
@Shamblen Davidson No. They've stated that won't be possible, although I think their statement didn't eliminate the possibility of replacing the entire pack with a larger capacity, especially if future packs have more capacity for the same size &/or weight.
From the Aptera FAQ: "We expect the battery pack to last 10years+ but we will likely warranty them for less. And the replacement costs will vary but be far less than any other EV as our packs are smaller for a given range. We will strive to make them affordable for upgrade in the future. "
I am expecting 20 years on my first battery pack because I only plan to drive about 7,500 miles a year or less, at which point I expect 60% battery life which is actually still not that bad on a 400 mile battery with solar (which I will probably also replace at 20 years). My concern at this point is possibly having to replace the wrap at 10 or less years, depending on if they put a wrap at the top half of the car, since vinyl wraps don't like vertical exposure.
If they give the usual 8 years of warranty the battery will be out of it in 2030, und usually last at least until 2035.
The chances, that there are third party battery experts, who can fix old batteries and add new ones with the, then current stand of technology, are very high. Imagine you replace your old 100KWh battery in your Aptera with a new 500KWh one that is also lighter. So you get >5000 miles. Would be a repeat of the early 2000s when SC cards grew from a few MB to multiple GB and suddenly the "remaining pictures to be taken" counter is stuck on 999.
I like this part of the article: "The state of health (SOH) needs to be readable by the driver without a tool". Like my phone's free "AccuBattery" app.
Cars like mine may have prompted this proposed rule. Mine requires full recharge on a metered charger (for the capacity reading), from fully dead where the motor stopped. Obviously that's rather difficult. You have to drive until it's very low, & then either:
- Drive around a charger's parking lot until it stops, & coast/push to the charger!
- Park by the charger with everything on until the motor disconnects itself which can take over 2 hours!
The ceos expect minimal 3 years and upto 5 pending how well you take care of it.
Clickable link to the above article:
https://www.greencarreports.com/news/1132401_how-long-will-my-ev-battery-last-california-proposes-degradation-limits
@Shamblen Davidson No. They've stated that won't be possible, although I think their statement didn't eliminate the possibility of replacing the entire pack with a larger capacity, especially if future packs have more capacity for the same size &/or weight.
Would I be able to add range by adding more battery packs?
From the Aptera FAQ: "We expect the battery pack to last 10years+ but we will likely warranty them for less. And the replacement costs will vary but be far less than any other EV as our packs are smaller for a given range. We will strive to make them affordable for upgrade in the future. "