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Author Topic: Tesla Model S aftermarket battery upgrades  (Read 340 times)
Posts: 128

« on: May 29, 2017, 08:27:48 PM »

I was browsing ebay for used Model S battery modules and ran across something I didn't expect to see.

Text copied for future reference
Tesla Model S (facelift) battery upgrade 60, 60D, 75, 75D -> 90, 90D
We would like to offer a service of upgrading your Tesla Model S from 60, 60D, 75, 75D to a 90 or 90D version. The service includes the battery, labor and all necessary changes done to the car. At this price you will be expected to leave your old battery with us. The new battery will be no more than 12 months old with less than 10k miles on it. We will also give you a 7 year unlimited miles warranty on the new battery.
After the upgrade your car will have increased power and the dash will say it's a 90 version.
We specialize in fixing and servicing Tesla cars for 3 years now.
Once we are ready for your upgrade, your car will have to be brought to our shop in Hickory, NC for one to two days.

This offer is for the new refreshed model only. Please contact us if you want to upgrade the older model.

I just noticed that this is the same supplier that our member Bill of http://evbimmer325i.blogspot.com fame used to get various parts. 

The implications are wide here.  For entertainment purposes I will consider the scenario that someone bought a 40kwh Model S in early 2013.  They can now jump all the way up to 85kwh pack for $15,000.  He doesn't seem to have any requirements for existing pack wear, so this would be a good way to upgrade your "tired" 60kwh car to 85kwh and freshen the pack up too. 

I can only imagine that this service will grow rapidly once cars leave warranty starting in 2020.   Tesla wouldn't support this in any way, and I would guess that your warranty may be in dire straits if you do this. 

If the car has no warranty due to being a total loss earlier in life though this gets interesting.  I have to imagine he has spare drive units too. 

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