Home » Toyota Prius » Aftermarket Upgrades » Prius Plug-In HV Battery Upgraded to 8.8kWh

I have to say, I love being a Pioneer in this new frontier with the Prius I call “The Hybrid Performance Era”!

2024-03-05 UPDATE: When I calculated the batteries the right way, it turns out I have roughly ~10.3kWh which is more than a 2017 Prius Prime!!

I used to tell folks, that what my vision is for the Prius far exceeds Lift Kits and Roof Racks…. so while a company is out there mimicking the products I’ve developed first for the Prius then proceed to throw shade at me all the while not able to keep their roof racks in stock. No one talks about the subframe spacers that are available for the Gen2 and Gen3 Prius which were a product of my brainchild. anywho. back to batteries. For New Lithium HV Batteries for your Prius, check out ProjectLithium

Prius Plug-In HV Battery Upgrad

Prius plug-in hybrid history

The new Prime is actually the third generation of Prius to be offered with a plug. The 2012-15 Prius Plug-In Hybrid had a 4.4-kwh battery pack, just large enough to qualify it for a federal tax credit, and a measly 11 miles of EPA-rated range—though its electric-only power was so low the engine had to switch on at 6 miles, halfway through the EPA’s easygoing test cycle. 

Then came the 2017 Prius Prime, visually quite distinct from its conventional hybrid sibling, with 8.8-kwh giving 25 miles of range. Commendably, it operated as an EV only as long as the battery had more charge in it than the conventional hybrid version. Now we have the new 2023 Prius Prime, with a 13.6-kwh battery giving ranges of 39 to 44 miles, arriving at dealerships in May. 

That said… a 500hp Hybrid AWD Prius is what I am building! For New Lithium HV Batteries for your Prius, check out ProjectLithium

Before I started manufacturing parts, he and I were good buddies… I recall asking if he could manufacture for me various parts and he said he only does lift kits. heh, so while he lies to you all about the fact he once again is on my coattail and unable to develop new parts without being inspired by me… here we are with another Prius first.

With the new Lithium cells which are a direct replacement to the OE 4.4kWh battery cells, my 2013 Prius now has the same battery capacity and EV mile range as that of a 2017-2022 Prius Prime, sometimes more.

Prius Plug-In HV Battery Upgrad

Now I am in the process of installing all of the OE cooling parts and wiring to these new battery cells! Next up for me will be the DC Fast charging CHADeMo Port and hardware so I can get a full charge in less than 60 minutes.

Sometimes I think I am the only one thinking this far outside of the box as… the Gen 3 Prius has been sold since 2010 and this is the first time a battery upgrade of this size has been accomplished by a normal Prius owner!

Just wait until you see what else I’ve been working on! I guess to say exciting times in my quest to beat a Tesla non dual motor in a street race to win… in the Prius! For New Lithium HV Batteries for your Prius, check out ProjectLithium


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