NexPower V3 hybrid battery unveil - Sodium-ion battery

Alternatively, a person thinking just "its easy enough to get cells and wire them up right?" may rush in where a better engineer would (responsibly) fear to tread.

 

When my pack went bad I went for a new oem pack. Original water pump but I monitor temp and have an audible alarm at 220f.

 

I am taking apart my first non phev hv battery today... Ill be able to see whats different at the ecu level because at least on my phev cells there is no BMS... therefore, its why when using larger cells on the PHEV there is no BMS on the actual Cells... its why its "easy enough" to upgrade the phev to have more capacity. hense why I am not workign with some folks to put cells in my phev so ill have ~50kWh of battery available. and for those who favor OE cells, you'll be happy to know, thats exactlly what I am using and not the so called cheap China cells.

you are right, that person isnt an engineer by trade... but you see thats why one might be more successful in implementing whats never been done since this person isnt a engineer of batteries by trade, they dont have the fear when they want to implement something to reach their goal. heck... thats what allows them to think so far outside the box, they realized toyotas box and all is so interchangeable... well, on battery cells that is. oh and now engines... because I tell ya, these ECUs in these cars are alot smarter than we think and you could plug up a 2.0L motor and the ecu adjust itself and operates said motor without any ecu mods... clearly I havent shared all of my accomplishments with you all just yet but i will soon. I still havent figured out a way to have abs parts interchangeable... or even just a lower price point that still fucntions like OE for a long period of time. the rear electric motor controller from the obd2 dongle board I had made works, raising the total volts in the system is what I havent figured out for the non PHEV cars, only PHEV cars have high enough volts running through them to support powering an added on rear electric motor. this is why with me having ~50kWh hv battery, it can propel my car and the rear electric motor faster than a non dual motor tesla... thats the goal anyway

 

correct.

 

but what are you implying by saying correct?

 

This all sounds like an amazing project!
It's hard to visualize a battery pack that large in a Gen3 PHEV.
Physically, it must take up a lot of cabin space.... and this honker is just sitting there, in the cabin, with no BMS or TMS (other than possibly a tiny fan blowing cabin temp air around the cells...?

Wouldn't it be easier to buy a cheap and popular FWD EV with a 64kWh pack and lift it to achieve the ground clearance you like?
There might be a market for that kit!

Looking forward to your progress.

But how will you get "faster than a non dual motor tesla" out of the dinky MG's that are in a Prius?
You can only over drive an electric motor so much, for so long, before you let the smoke out.
Not to mention the 'inverter/controller' that is passing 'tesla' power to these motors.

 

Think about the first Rav4 EV and the size of that battery that was a 27.4 kWh NiMH battery, the entire floor board to now the battery in the bz4x...about the size of a wooden pallet!

This is a ~72kWh battery with the lithium composition that matches the PHEV Lithium's... Using the pulled cells the overall size to achieve 50kWh is a lot smaller than you think. Thus, me having the connector from the PHEV cells to the ECU just needs to be wired into the terminals and terminal connectors from the bz4x battery. Im letting the PHEV and its OE systems do all the heavy lifting.


Ill save the rest of my magic to show the completed project. Ive been thinking outside the box and working with dismantlers and other brillianty people to make this happen. The thing is, even with the 2.0L liter its not enough, I need the new Turbo CROWN hybrid motor combined with the rear electric motor of over 245hp.. combined ill have a ~500hp AWD Hybrid Prius!

 

I just need to beat the non dual motor to 80 mph... light to light.. not saying full 1/4 mile just yet but with the Prime able to burst to 80mph in EV mode, say it had a good 40kWh of capacity... it could put out a lot constant power to its OE systems and an addon electric motor. As it stands, my Prime vs V6 camry, camry isnt quicker by hardly any, but after the 3rd sprint its battery is basically needing to be charged.
You make a valid point but see, the difference is in the PHEV and non PHEVs... non PHEVs I havent figured out how to raise the overall system voltage but the PHEVs are already in the "power band" to say it in volts to efficiently handle an addon motor.

I think thats why the AWD has such a small hp engine, I think... but then I see them having enough room to use the AWD parts together with the Prime parts. Plus the Rav4 has 80hp and the newest Lexus AWD suv thats hybrid I think has 150hp engine... so we are there, just me mixing and seeing the ease is where Im at.

 

OK, let's say you do McGyver a 40kWh pack into a Prius... And you pulled C4 out of your 'hat' as the power you want to draw from this new pack. Say 160kW...
Everything from the 'red and black' wires from the battery to the main relay, that relay, the two new higher power inverter/controllers,
and all the other wires going to and from those has to be much BIGGER.
The TMS for the pack, inverters, motors has to be upgraded also.

But maybe your goal is to put on a show for a few Drag Race pulls and just allow the whole dang system to cool a bit before each pull....
Longevity wouldn't be a concern. Someday you'll let the smoke out, but it will be fun!! Go for it!

Me? I'm looking for a 'Lifted' kit for a production FWD EV.
There are used affordable AWD EV's that are ready to roll. No dikin required. Except for the 'lifting'...
Maybe you just have an allegiance to the toyota brand, like so many here...

 

ohhhh trust me sir I am fully aware about the wire gauge and how the Prius operates soooo much better with proper wires! heh, i think I went through 6 sets of wires before I got the two 2200W pure sine inverters to operate without burning out the wires attempting to cook using 1700W air fryer... and an 1700W induction stove, simultaneously using both inverters to cook with.

TBH, i just want to race it that one time and win, I'm on the longevity with the thought my AWD Prius will be driven through Darrien's Gap... everything I build has to go the distance and not fail me when I am a 2 days drive away from civilization surrounded by tropical jungles.

to your point, its why I've been trying to locate a LEXUS RX 500h F SPORT PERFORMANCE AWD at a local auto dismantler, as whatever cabling is used there, is the plan of attack in terms of wiring to support all the extra "stuff". It's just, I dont think you realize just how backwards compatible a lot of these components are. Now that my overseas connector manufacturer loves me, acquiring the pins and connectors to make things work plug and play has made this all a lot easier, just need to get hands on the OE system components to 3D scan and reverse engineer is attributing to the delays I am facing now.

for you tho... lets just say, I can now say I can have anything made quickly and stellar quality, so... if you need something lifted... or roof rack... or whatever, I got you covered!

this is the Roof Rack going on my Gen 2.


https://black.jmyntrn.com/2025/01/24/toyota-prius-2009-low-profile-aluminum-roof-rack/

 

Have you thought about Damien Maguire's upgrades for the Gen 3 Prius inverters where he runs them at a much higher voltage About

T1 Terry

 

oh yeah, the thing is... its would I rather try to get lucky on the Toyota interchangeability tests between OE products versus basically solder together my own inverter hardware. I dont know all this yet to trust my work on it on a vehicle I plan on driving across all seven continents.

Right now, the furthest in the world of making my own pcb has been for the obd2 port so the esp32 based dongle can talk to the rear electric motor controller and vise versa. That whole Gen 3 Prius era at Toyota/Lexus with he Hybrid systems and the addition of a whole new ECU for the PHEV system is the era I am focused on. To easily bring a Gen 2 Prius up a generation of Hybrid technology by ecu changes would be soooooo sweet.
That's when say the Highlander Hybrid AWD and other systems needs to be looked into as well... even on the GS450h or LS600HL, they are all based on the same Hybrid system. For me seeing what the PHEV Prius and its system has been able to adapt to has me very wide eyes and bushy tailed. Heh, imagine my shock at learning the capacity and size of the first Rav4 EV then seeing where the bz4x battery is and that's what, 20 years right there. The next 5 will be interesting that's for sure and if the content of North American as a whole can agree on a uniform standardized charging we would be moving a lot faster.

Until then, I'm just going to try and buy a JDM Spec Prime in Canada, then dismantle it taking off the electrical components I need for my Frankenstein, like all the fast charging module goodies. You know.. the Japan spec Prius Prime fully charges in 16mins? Id like to think a ~50kWh battery would take 49minutes using the chademo charging hardware. heh.. imagine being in the US trying to make friends with companies in Canada and Japan over the internet. fun times I say

 

The 51kwh LFP battery in my MG4 charging time from 10% to 90% is on average, 35 mins at a CCS DC fast charger. The higher capacity NMC batteries can accept a faster charge rate, but the small LFP battery is restricted to 88kw, the 64kwh NMC can handle 140 and the 74kwh can handle 144kw charge rate.

T1 Terry

 

Briefly,,,
No EV manufacturer or aviation system uses 'solder' for wire connectors, for a reason. get an Ali crimper for big wires.
Do you know the 'old Rav4 EV's drive system and battery was all Tesla?
I have been using the CCS DCFC charging network since I got my '14 Spark EV in '15.
It's an extensive and growing network today! No Problem Found.
Then you call for a 'standardized charging'. You mean what used to be Leon's proprietary DCFC network?
Then you talk about a Prime that uses Chademo... That network is small, not growing, and I think limited to 50kW charging.
A 50kWh pack will not take 49 mins. There is always a taper with DCFC systems. The pack requires it.

But nobody loves a critic. I'm not raining on your parade. Just trying to help. Good Luck !!
Now I must look again at the Durian Gap. I thought it was impossible to "drive" it. It's a treacherous hike afaik...

 

Don't worry - he creates the parade in his head anytime he wants.

 

HA. issa why I said, I'm not knowledgable enough to "solder" my inververter. clearly I dont have experience on that level yet.

Yes I knew it was all Tesla.... also know my PHEV was built in the Tesla factory and we still dont know all of the secret sauce.

I was in Baja maybe two years ago, I only saw one charging station at a resort that was basically empty. Have you tried to drive through Baja with a vehicle you NEED to charge?

I didnt studder... Chademo! nuff said, if JDM Prime uses it. I'm going to use it.

I hope you know I appreciate your words, when people critique my words it allows me to think through that what I hadnt originally thought through.

 

If you dont love yourself, no one else will! :: marching in my own parade proudly ::

 

The bX4X (rolls off the tongue) uses CCS. Not many modern EV's use that old tech.
Chademo is a very old format. +14 year old tech. It has no hope of its network getting any larger, and most likely will be left to die a slow death....
I try to understand brand loyalty.... Any affordable AWD EV could be lifted. It could carry gas generator on a trailer hitch rack for all the times you go down the Baja. Or you could have a dedicated adventure Gasser for such duty.

Me? I just fly into Cabo, rent a local hoopty and go see the sights, like that whale skeleton on a beach or the beach where you dig your own hot springs tub in the sand when the tide is low.

But I see your point! Baja is not for EV's.....I'm not even sure if you can filter for Chademo in Plugshare....