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jarledb
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  #2487458 20-May-2020 23:25
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Please move PV discussions to the Home Workshop DIY forum.

 

I will start removing PV discussions from this thread from now on.





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HarmLessSolutions
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  #2488985 21-May-2020 22:50
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A Tesla announcement coming in the next few days. Having watched this video does it fit in the EV discussions or the home power storage (for PV or off-peak). Both it would seem.

 

Battery Day is Coming!




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kingdragonfly
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  #2490408 24-May-2020 11:49
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Volvo XC40 Recharge: Walkaround




MarkH67
510 posts

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  #2490422 24-May-2020 12:38
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That Volvo looks like a really good car, probably out of my price range though.  It is nice to see the number of options expanding.  When watching the video it would be a good idea to turn off the mic on your Google Home, they use "Hey Google" several times.


jarledb
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  #2490515 24-May-2020 15:28
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I would guess the price will end up around $90,000 NZD.

 

Must say I am not thrilled about the looks, and that it feels like they have taken a lot of clues from Tesla on how to build an electric car. Something that isn't necessarily bad.





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kingdragonfly
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  #2491264 25-May-2020 19:57
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A statue that celebrates Oklahoma oil drilling repainted to get electric vehicle factory.

On the subject of boring (pun intended) Oklahoma has nearly 3% of the total U.S. refining capacity. Its population is less than 8% African American, more than 65% Republican

Tulsa puts the Tesla logo on its most famous landmark: the oil driller


kingdragonfly
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  #2494672 29-May-2020 21:13
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Before I get accused of being a fan boy, I now think the CyberTruck is a bit stupid, and Elon, like almost all billionaires, is a bit of a dick.

But he does make interesting news.

Elon Musk, Jay Leno and the 2021 cybertruck

Jay Leno's garage




Linuxluver

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  #2494731 29-May-2020 23:55
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Bluecars' battery replacement project seems to be going well. The initial project sees an existing Nissan LEAF battery case gutted and filled with brand new 18650 Lithium battery cells. The new battery capacity is about 38.5kwh (I hope that's right). The benefit is you can take an old 2010 Nissan LEAF with a degraded battery that bought realy cheap (maybe $6,000-$7,000?) and spend $20k on this new battery. For $27,000 you'll have a reliable EV with real-world range over 200km.....whereas the LEAF would have had 120km brand new in 2010. 

For sheer value, almost nothing touches this. The new battery also charges much faster than the old one. 

This looks awesome. 

Here's their blurb. There is a video on Facebook on the Bluecars page. 

March 27th

 

Finally - the long awaited update we’ve been promising. *Pricing is still anticipated to be around $20K *Anticipated to be available to deposit holders by September *Commercially available in New Zealand by the end of 2020 *We are still actively seeking funding to enable us to accelerate to commercial phase *It is unlikely we will have an option for those outside of New Zealand until 2021 We'll update with another video in 6 weeks Thanks again for your support. As most of you will already have experienced a slight loss of SOH due to the colder weather, rest assured we are pushing ahead as fast as our small company is able. Warm regards from the Blue Cars Team





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daparrot
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  #2494836 30-May-2020 10:01
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Linuxluver:

 

Bluecars' battery replacement project seems to be going well. The initial project sees an existing Nissan LEAF battery case gutted and filled with brand new 18650 Lithium battery cells. The new battery capacity is about 38.5kwh (I hope that's right). The benefit is you can take an old 2010 Nissan LEAF with a degraded battery that bought realy cheap (maybe $6,000-$7,000?) and spend $20k on this new battery. For $27,000 you'll have a reliable EV with real-world range over 200km.....whereas the LEAF would have had 120km brand new in 2010. 

 

The multimillion dollar question is will they add cooling and heating to the battery?

 

That's the big difference between our Leaf and Model3 ( well apart from the extra range and tech.. )

 

Come summertime or a road trip with multiple charges and I feel I'm overstreasing the Leaf with heat it cant get rid of


Obraik
2007 posts

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  #2494842 30-May-2020 10:18
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Nissan seems to be the only company that won't add some thermal management to their batteries. With even the MG adding liquid cooling with a cheaper price tag, I cannot think of any good reason to buy a brand new Leaf.




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daparrot
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  #2494941 30-May-2020 10:41
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Obraik: Nissan seems to be the only company that won't add some thermal management to their batteries. With even the MG adding liquid cooling with a cheaper price tag, I cannot think of any good reason to buy a brand new Leaf.

 

Yes I love our Leaf but I just couldn't pony up the money to buy the latest generation, 

 

ANY EV needs cooling, it just is crazy not to have it.

 

Nissan had a major lead on the industry and then fell asleep at the wheel, what a shame.


Linuxluver

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  #2495002 30-May-2020 12:35
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Obraik: Nissan seems to be the only company that won't add some thermal management to their batteries. With even the MG adding liquid cooling with a cheaper price tag, I cannot think of any good reason to buy a brand new Leaf.
The 62kWh LEAF is worth a look. It's range is about 350km real world. So to go 660km between Auckland and Wellington would really only be one big charge. The battery should not get *too* hot with just one charge. Without cooling, if the battery is big enough the issue with frequent charging goes away because you don't charge frequently.





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MarkH67
510 posts

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  #2495057 30-May-2020 12:57
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Linuxluver:

 

Obraik: Nissan seems to be the only company that won't add some thermal management to their batteries. With even the MG adding liquid cooling with a cheaper price tag, I cannot think of any good reason to buy a brand new Leaf.
The 62kWh LEAF is worth a look. It's range is about 350km real world. So to go 660km between Auckland and Wellington would really only be one big charge. The battery should not get *too* hot with just one charge. Without cooling, if the battery is big enough the issue with frequent charging goes away because you don't charge frequently.

 

 

With higher capacity you don't charge as frequently, in fact you have less fast charges needed and with a longer gap between them for the battery to cool down.  But it is more than that, the rate of charge is comparatively less - 24kWh battery charging at 50kW is just over 2C, 62kWh battery chaging at 50kW is well under 1C.  So the 62kWh battery will heat less during charging and then have a LOT longer to cool down again before it needs to charge again.  A 24kWh Leaf needs to fast charge (at over 2C) and then it could be less than an hour later when it needs to fast charge again and before you know it you need to add in a cool down period.  I wouldn't use a 24kWh Leaf for long trips, even if it is possible to use it.  But I would consider using a 62kWh Leaf for long trips.

 

Having said that - I would consider switching to a 64kWh Kona when I change cars because it seems to get a better range for almost the same size battery as the 62kWh Leaf and I certainly don't mind the active thermal management.

 

On the other hand - I wouldn't discount the idea of getting a 62kWh Leaf if the price was enough cheaper, because it would still be a good car with a decent improvement in range compared to my 24kWh Leaf.

 

For me the lack of active thermal managment isn't a deal breaker, I would instead consider the price, range, features and price - all being MUCH more important.


Obraik
2007 posts

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  #2495061 30-May-2020 13:20
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I don't disagree, the new Leaf has a lot of great features and it would be a good EV but it just doesn't seem like a financially good idea to buy a new Leaf when other EVs can be had with similar features while also having thermal battery management. You can get a used Kona or Niro for around the same price. Why spend similar money for something that isn't going to last as long?





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MarkH67
510 posts

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  #2495093 30-May-2020 13:57
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Obraik:

 

I don't disagree, the new Leaf has a lot of great features and it would be a good EV but it just doesn't seem like a financially good idea to buy a new Leaf when other EVs can be had with similar features while also having thermal battery management. You can get a used Kona or Niro for around the same price. Why spend similar money for something that isn't going to last as long?

 

 

Same price?  Then I'm buying the Kona (I don't need the extra space the Niro offers) for the 400+ km range.

 

But in a few years I'm looking at 2nd hand prices, if the Kona is more valued and the Leaf is going cheaper - I would consider a 62kWh Leaf.


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