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Author Topic: 24 volt suzuki electric 4x4  (Read 705 times)

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doomsdayprepper4570

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24 volt suzuki electric 4x4
« on: April 16, 2017, 06:25:53 pm »

Seeing I have an over supply of solar power I have a hankering to convert our 1992 suzuki 4x4 ute to electric.
It only needs to travel a maximum of 50kms on a charge.
Anyone out there that has any knowledge?
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self-sufficient

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Re: 24 volt suzuki electric 4x4
« Reply #1 on: April 16, 2017, 07:47:03 pm »

Electric suzuki 4x4 ......plenty of examples online and lots of ways to go about it.

Though 24v is to low to work with off the shelf gear. you would need to go 96v or so but don't let that put you off.  even if you charge two 48v banks that get switched to series once charged.



I have a friend (Graeme) who runs a business in Brisbane called Suzi Auto. They have done lot of Suzuki 4wd electric conversions and they deal in budget kits and 2nd hand imported battery's and driveline gear ....also suzuki parts and service.

There webage for the suzuki side
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There webpage for there electric conversions
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doomsdayprepper4570

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Re: 24 volt suzuki electric 4x4
« Reply #2 on: April 17, 2017, 06:17:51 am »

Kurt, lol?
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doomsdayprepper4570

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Re: 24 volt suzuki electric 4x4
« Reply #3 on: April 17, 2017, 06:48:26 am »

As I said to you before mate it is the batteries that are the killer.
96 volts is a serious amount of weight in fla cells!
Lithium are out of the question for me as they are to expensive and second hand stuff is like hens teeth around here.
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self-sufficient

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Re: 24 volt suzuki electric 4x4
« Reply #4 on: April 17, 2017, 09:55:41 am »

Yes Russ its Kurt.

There is one guy in the electric car club with a1980s Honda city (tiny little hatchback car) that cant carry much weight. He has been using flooded lead acid for about 20 years. He uses smaller 12v cells around 100ah each . A few under the bonnet and more in a box where the back seat use to be . He is running 96v. Along with a simple brushed dc motor and controller.

From memory he has two battery's under the bonnet (60kg) and 6 in the back (180kg). Even that tiny car swallows the cells with more room than it had with the petrol motor. He gets about 30,000km or so out of the cells before he needs to replace them.
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doomsdayprepper4570

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Re: 24 volt suzuki electric 4x4
« Reply #5 on: April 17, 2017, 07:49:50 pm »

I see on the website they have lithiums out of some small nissan mate!
I did find some 24 volt dc motors on evil bay, mainly out of the states.
Even 48 volts would be ok.
I do not require long trip capability so lower voltage would be ok.
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self-sufficient

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Re: 24 volt suzuki electric 4x4
« Reply #6 on: April 17, 2017, 09:30:31 pm »

The issue with voltage isn't the range it's the speed and amps you would need to pull.

Speed..the motor wont turn very fast at 24v and you wont go very fast. This can be overcome by gearing but has a knock on effect for the 2nd issue high amps.

To get the same power say 20kw (27hp) at 24v ...20,000w / 24v  =  830A!!!! the same power at 96v 20,000 / 96 = 208A a much more manageable realistic current to work with.

The knock on effect of 24v and gearing up is the motor will draw even more amps than the already crazy 830A! That's why you don't see 24v road going EV's

Everything just becomes so much easier when you up the voltage.

Range (50km) is based predominantly on the capacity of your battery bank 96v at 100ah or  8 x 12v 100ah battery's gives you around 10kwhs total storage that would give you about 50km range.



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timbo

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Re: 24 volt suzuki electric 4x4
« Reply #7 on: November 16, 2017, 09:39:17 am »

Hi everyone,
This is an old topic but I think I should comment on the following:
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Lithium are out of the question for me as they are to expensive and second hand stuff is like hens teeth around here.

It is time to change your mind. Nowadays lithium batteries are cheaper (or at least equal) than any other and it is the only way to go. We should not compare prices for "nominal" capacity, like $XX per 100Ah battery. We should calculate "usable" capacity - $X per kWh of usable power. One 100Ah lithium battery will have three-four times more usable power then a conventional 100Ah battery. And if we compare weight and power output, then there is nothing to compare - lithium wins.
I'm not selling lithium batteries but I did all these calculations two years ago while building my off-grid system. Again, lithium won. :-)
To add to the topic, here is a fresh story about two electric zooks driving through Simpson desert - You are not allowed to view links. Register or Login
Regards, Tim
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doomsdayprepper4570

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Re: 24 volt suzuki electric 4x4
« Reply #8 on: November 16, 2017, 09:05:17 pm »

I need 4 x 12 volt 200 amp lithium batteries for under $1600.
Any ideas where I can source them from?
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odzy

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Re: 24 volt suzuki electric 4x4
« Reply #9 on: November 16, 2017, 10:18:50 pm »

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I need 4 x 12 volt 200 amp lithium batteries for under $1600.
Any ideas where I can source them from?

Good luck finding some at that price   :o
About $2200 is the cheapest I could find for my 4wd   :P
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timbo

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Re: 24 volt suzuki electric 4x4
« Reply #10 on: November 17, 2017, 06:13:21 am »

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I need 4 x 12 volt 200 amp lithium batteries for under $1600.
Any ideas where I can source them from?

You can not compare nominal battery capacity. 200Ah of lithium battery have three times larger capacity than 200Ah of AGM battery, so fair price for 200Ah of lithium battery should be higher.

4 x 12 volt 200 amp of conventional batteries, depending on chemistry, give you about 2-4 kWh usable energy.
4 x 12 volt 200 amp of lithium batteries give you 8-9 kWh usable energy.

Let's compare prices per kWh.

Lithium: You are not allowed to view links. Register or Login
90Ah - 12v per $672, that is 90 * 12 * 0.8 / 672 = 1.28Wh per $1 or $777 per kWh

AGM: You are not allowed to view links. Register or Login
110Ah - 12v per $269, that is 110 * 12 * 0.3 / 269 = 1.47Wh per $1 or $679 per kWh

Gel: You are not allowed to view links. Register or Login
100Ah - 12 per $330, that is 100 * 12 * 0.4 / 330 = 1.45Wh per $1 or $687 per kWh

Lithium is very close in terms of kWh per dollar.

Then, we should compare battery lifespan. Winston guarantees 3000 cycles (at 80% discharge), AGM will survive 600 cycles (at 30% discharge). Hence, lithium is 5 times cheaper per cycle, and as a result, will be something like four times cheaper for kWh delivered over the lifetime.

If we talk about car application, then weight is important. And lithium wins hands down.

Regards, Tim
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doomsdayprepper4570

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Re: 24 volt suzuki electric 4x4
« Reply #11 on: November 17, 2017, 06:41:01 am »

Yes I need the four cells for the 4x4.
Just need a supplier.
I have to have enough energy to get myself and vehicle homenand as we
have 125 kms of tracks on the property I do not think 200amps @ 48 volts is a big ask.
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timbo

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Re: 24 volt suzuki electric 4x4
« Reply #12 on: November 17, 2017, 07:23:08 am »

I do apologize, I'm annoying... It is my character and my job too.

You ask the wrong question, you should say how much kWh you need, so we can try to work it out.

Lithium battery cells are 3.2V only, so you definitely need more than 4 cells.

Here is a supplier: You are not allowed to view links. Register or Login
100Ah 3.2V cell for $160. That is $625 per 1kWh, which is cheaper than AMG or Gel in my previous examples.

You take 16 cells and get 100Ah at 48V. That is, 4kW of usable energy for $2560. As a bonus, 55 kg weight only and guaranteed 2000 cycles.

Would you get that much energy for better price in any other type of batteries?

Regards, Tim
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doomsdayprepper4570

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Re: 24 volt suzuki electric 4x4
« Reply #13 on: November 17, 2017, 09:02:08 am »

Umm, nah wrong dude propower make 12 volt lithium ion batteries in nz70 confuguration.

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These are what I had in mind for the suzuki mod.
I am aware there are plenty of the 3.7 volt packs around. :o ;)
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Loose ends make my arse itch and I have just clipped my finger nails. So the itch flows to my trigger finger.

odzy

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Re: 24 volt suzuki electric 4x4
« Reply #14 on: November 17, 2017, 09:55:33 am »

They come to $2300 for the 200AH unit...  not cheap but some serious power in that unit ;)
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