Posts: 1
Joined: Mon May 29, 2023 5:16 am

Upgrading from 33.5 kWh

Hi everyone,

I've been brainstorming about extending the range of the 33.5 kWh batteries.
There's a couple of ways that I've come up to do this:

1) Upgrading / replacing each individual cells with identical dimensioned cells.
Issues: programing the BECM to accept the upgraded cells / higher kWh.

2) An auxiliary battery pack that sits in the trunk.
Issues: plugging the auxiliary system into the existing system, and making them work together.

If these ideas are complete duds, let me know! But if anyone has ran into any threads about these, please share!

Thank you!
Posts: 532
Joined: Fri May 20, 2016 12:22 pm
Location: The Valley of the Sun

Re: Upgrading from 33.5 kWh

2012 Candy Blue FFE, 100K+ Miles
33.5kWh battery pack, 26.4kWh EtE
40A+ L2, CHAdeMO, CCS pending
Posts: 42
Joined: Sat Jan 30, 2021 10:50 am

Re: Upgrading from 33.5 kWh

If you want to do it as a personal hobbiest project, go for it. But it's likely not going to be more cost effective than simply purchasing a later model EV with more range.

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