Re: [EVDL] EV Digest, Vol 128, Issue 17

[Matt Lacey via EV]

That adapter is the wrong direction (incidentally the only direction 
that will work)


going from CCS2 charge station to US Tesla Car is possible, and what 
that adapter is


Going from US Tesla charge station to CCS2 is not, without Tesla 
allowing for a legacy mode to be CCS2 compatible


On 21/06/2023 4:07 pm, Lawrence Rhodes via EV wrote:
  
Chargerman CCS Combo 2 to US Tesla Dual(DC+AC) Adapter - Black

Last item available

Condition:NewNewQuantity:Last One / 4 soldPrice:US $229.00They are lying? LR
 On Tuesday, June 20, 2023 at 06:33:31 PM PDT, (-Phil-) 
 wrote:
  
  No, there is no adapter that will allow existing superchargers to charge a CCS car, and if there ever was it would be illegal and shutdown instantly by Tesla legal as it would have to be spoofing a Tesla VIN and thus not paying for the charge.

I feel like a broken record at this point, as I've said it several times 
already, but my predictions are: 1. Tesla will only allow access for other 
vehicles on V4 superchargers.  2. The network will become substantially less 
reliable for non-Tesla cars.  3. The rollout will be slow, it's  not going to 
be overnight all superchargers with just an adapter.
I've already explained the technical reasons I am asserting this.
I've also warned about using Tesla destination chargers, as some are hooked to 
1 leg of 480 3-phase wye, which is 277V nominal which most EVs will not 
tolerate.   For example, a Leaf will blow it's on-board charger.   Teslas are 
rated up to 300VAC.  Most others top out at 264VAC.  There is no good way to 
tell before you plug your non-Tesla EV in and there's smoke and you are stuck!


( Pic: http://ingineerix.com/pic/?tesla-wc-277v )

On Tue, Jun 20, 2023 at 5:53 PM Lawrence Rhodes via EV  
wrote:

  It seems to me if there is an adapter available for purchase, that would qualify 
Tesla Superchargers. I bought a Tesla Tap to take advantage of Tesla destination EVSE. 
CCS drivers could buy this and have ac or dc charging. 
https://www.ebay.com/itm/35483570?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D20201210111314%26meid%3Dc1ad667158b04eb79d33fda7ba7b28ee%26pid%3D101195%26rk%3D1%26rkt%3D12%26sd%3D354835758942%26itm%3D35483570%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv11WebTrimmedV3MskuWithLambda85KnnRecallV1V4V6ItemNrtInQueryAndCassiniVisualRankerAndBertRecall&_trksid=p2047675.c101195.m1851&amdata=cksum%3A35483570c1ad667158b04eb79d33fda7ba7b28ee%7Cenc%3AAQAIAAABQA2rugFlOq3qu1cLac%252F%252Fk6Vp0Oa0HaJIqoXKeIiOR%252BTUgsSvHaeyPxKYu6UqHqq7GaGyKVqHQnjeiiXcQpMGw2t3aB%252BssGfjtIWOBj8wExc7oYYP7xGMyQCrHDyDaSaWjB1CueI3A94n0yxXX5dx5gAU%252FT8Fo%252BhA4uBFp%252BOwvsmjMx9svf4%252B372fK2%252Fh1O6bxu3XXlcPikVngfjzVkKfN1lwJYO4DTP0c6sUG2XIHT8T1ZF%252FFEudHDvVkzR0g73ogbAWksoGWUYhm1zt%252F0G2dL4hl8V2wSq543sodOojwXnCYuf2c0C%252BJa530Edy9yIdIlvH1BMdtvgdl0yCCGVp1bdez1hD%252B03XGIvFqhUw2JkLeMVSMa7keDCDqXE%252Fwk3cmo52x29a4WsrQlzr%252Bcj8UmaXoa3muZU2BSJ5pn%252BqeS9u%7Campid%3APL_CLK%7Cclp%3A2047675
 LR


   
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Re: [EVDL] Goodbye old friend.

[Matt Lacey via EV]

Why not both?

Sell a very large number of very expensive vehicles with high margin

On 12/12/2022 1:32 am, Lee Hart via EV wrote:

John Lussmyer via EV wrote:
So you are saying that they should first produce a cheaper very low 
profit margin vehicle - so that they won't have enough cash to grow 
production at a high rate and be able to product a LOT more vehicles?


Henry Ford did. So did VW.

Success can be found by selling a very small number of very expensive 
vehicles... or a very large number of inexpensive vehicles. Which one 
is likely to put the world on (EV) wheels?


Lee

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Re: [EVDL] Need to find a blocking diode for charger output

[Matt Lacey via EV]

The charger won't know about the voltage drop, it would just reduce the 
CV voltage by 0.7V or so


The bigger problem is the charger may not start, if there's no voltage 
present on it's output.


On 21/03/2022 8:11 am, Alan Arrison via EV wrote:
Wouldn't the voltage drop confuse the charger, especially when it gets 
to the constant voltage point near end of charge?


Al

On 3/20/2022 4:52 PM, David Nelson via EV wrote:

Hi,

I'm replacing the T-875 battery pack in a golf cart with a 48V Dakota
Lithium LiFePO4 battery. I also ordered their 15A charger to make sure
it would play nice with the builtin BMS. I was very frustrated and
disappointed to discover that this charger puts a continuous 0.12A
drain on the battery when the charger is not plugged in. This golf
cart is sometimes parked for a few months during the winter and I
don't want the charger running the battery flat. I'm also trying to
make this as user friendly as possible since the T-875 pack didn't
last very long due to no care of the pack.

I first thought that I could install a NO relay with an AC coil which
would close when the AC cord was plugged in and so ordered one. Then I
thought I better see if there is any arcing when connecting the
charger to the battery pack. Yep. There is a nice pop when connecting
the charger so a relay/contactor would not last very long with that.
So I decided to find a diode which I could use but I'm not having luck
in finding something since I don't know exactly what parameters I need
to search with. Does anyone with more EE knowledge than me have a
recommendation? I do have room just above the motor area and beside
the controller to mount something to the frame. A recommended
heatsink, if needed, would be helpful, too.

Thank you,

David D. Nelson
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Re: [EVDL] Pandemic Cell Fade

[Matt Lacey via EV]

Likely the milage of driving up and down the driveway is much worse than 
actually driving somewhere.

The calculated range is based on how much energy used in the previous several 
miles.

She just needs to go for a drive to correct the calculation

⁣Get BlueMail for Android ​

On 4 Feb 2021, 03:55, at 03:55, Bill Dennis via EV  wrote:
>She leaves the car plugged in all the time, even after it's fully
>charged.
>She uses 110V charging.
>
>Bill
>
>-Original Message-
>From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Peri Hartman
>via EV
>Sent: Wednesday, February 3, 2021 12:32 PM
>To: Electric Vehicle Discussion List
>Cc: Peri Hartman
>Subject: Re: [EVDL] Pandemic Cell Fade
>
>What does the Volt charger do at full charge and the cable stays
>plugged 
>in ? Does it periodically recharge as parasitic uses discharge the 
>battery ? What is her charging pattern and what was it before the 
>pandemic ? It could be that, after one year, constant recharging to
>100% 
>damaged the cells. What Just pure speculation.
>
>Peri
>
><< Annoyed by leaf blowers ? https://quietcleanseattle.org/ >>
>
>-- Original Message --
>From: "Glenn Brooks via EV" 
>To: "Electric Vehicle Discussion List" 
>Cc: "Glenn Brooks" 
>Sent: 03-Feb-21 11:26:39 AM
>Subject: Re: [EVDL] Pandemic Cell Fade
>
>>One of the Battery cells going bad, maybe.
>>
>>Sent from my iPad
>>
>>>  On Feb 3, 2021, at 11:14 AM, Bill Dennis via EV 
>wrote:
>>>
>>>  Pre-pandemic, when my mother-in-law charged her 2017 Chevy Volt, it
>would
>>>  have about 60 miles electric range.  Throughout the pandemic, she's
>done
>>>  nothing with the car except drive it to the top of the driveway and
>back
>to
>>>  check the mail.  When we were finally able to get to Georgia to
>visit
>her
>>>  this week after fifteen months, I notice that a full charge shows
>only
>40
>>>  miles range now.  Anyone ever notice anything similar, or have any
>guess
>>>  why?
>>>
>>>  Thanks,
>>>
>>>  Bill
>>>
>>>  ___
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Re: [EVDL] 500kW ChaoJi(CHAdeMO-v3)> faster than 300kW ccs& 250kW Tesla-v3

[Matt Lacey via EV]

This would be more for prime movers like a Tesla semi surely.  500kw isn't much 
if your battery is 2000kwh

⁣Sent from BlueMail ​

On 2 May 2020, 09:00, at 09:00, Peri Hartman via EV  wrote:
>Yeah, if you wanted to recharge 117 kWh, and not go below 20% or above 
>80% (which you can't do at that rate of charge), you'd need 195 kWh. 
>Phew !
>
>Well, for a standard, it's good to plan ahead. I wish they had done
>this 
>several years ago before all the existing L3 installations happened.
>
>Peri
>
>-- Original Message --
>From: "paul dove" 
>To: "Electric Vehicle Discussion List" ; "Peri 
>Hartman" 
>Sent: 01-May-20 5:55:11 PM
>Subject: Re: [EVDL] 500kW ChaoJi(CHAdeMO-v3)> faster than 300kW ccs& 
>250kW Tesla-v3
>
>>Now if we could find a battery that can take that we would be in 
>>business
>>
>>On Friday, May 1, 2020, 6:54:55 PM CDT, Peri Hartman via EV 
>> wrote:
>>
>>
>>This is awesome !
>>
>>So, for example, you drive for 5 hours at 70 mph, using 3 miles / kWh.
>>That’s 350 miles, or 117 kWh.
>>To recover that at 500 kW would take 117 / 500 = .23 hours, or 14
>>minutes. Nice !
>>
>>Now, let me find a rich uncle.
>>
>>Peri
>>
>>-- Original Message --
>>From: "evln via EV" 
>>To: ev@lists.evdl.org
>>Cc: "evln" 
>>Sent: 01-May-20 3:43:13 PM
>>Subject: [EVDL] 500kW ChaoJi(CHAdeMO-v3)> faster than 300kW ccs& 250kW
>>Tesla-v3
>>
>> >
>> >
>>
>>https://intallaght.ie/the-new-chademo-3-0-standard-will-be-able-to-charge-an-electric-car-in-less-than-10-minutes/
>> >The new CHAdeMO 3.0 standard will be able to charge an electric car
>in 
>>less
>> >than 10 minutes
>> >2020-05-01 ... CHAdeMO v3.0, also known as ChaoJi ... 500 kW ... 600
>A 
>>...
>> >can charge an 80 kWh battery in less than ten minutes which can
>offer 
>>a
>> >range of about 400 km ... lighter & more compact connector ... 
>>compatibility
>> >with previous versions of CHAdeMO, with the Chinese GB / T standard 
>>and
>> >possibly also with the European & American CCS ...
>>
>>https://i2.wp.com/intallaght.ie/wp-content/uploads/2020/04/The-new-CHAdeMO-3.0-standard-will-be-able-to-charge.jpg
>> >
>> >
>> >https://www.google.com/search?q=ChaoJi
>> >  search on  ChaoJi
>> >...
>> >https://www.chademo.com/chademo-3-0-released/
>> >  ... a test version of CHAdeMO protocol enables DC charging with
>the 
>>power
>> >over 500kW (maximum current 600A), while ensuring the connector to
>be 
>>light
>> >and compact with a smaller diameter cable, thanks to the 
>>liquid-cooling
>> >technology ...
>> >...
>> >https://en.wikipedia.org/wiki/CHAdeMO#High-power_charging
>> >  ... project with the code name ChaoJi aims to enable 900 kW (600A
>x 
>>1.5kV),
>> >all the while ensuring backward compatibility with the current
>CHAdeMO 
>>and
>> >GB/T (IEC 62916-3 configuration BB) chargers ... It was revealed
>that 
>>ChaoJi
>> >can also be made backward compatible with CCS ...
>> >...
>> >https://nameecho.com/chaoji
>> >Chaoji Name Meaning: What Makes It a Powerful Name
>> >...
>> >https://www.google.com/search?q=ccs+kw
>> >...
>> >https://www.google.com/search?q=Tesla+v3+kw
>> >
>> >
>> >+
>>
>>https://thenewswheel.com/4400-buick-velite-5-units-were-produced-for-china-before-cancellation/
>> >4,400 Buick Velite 5 Units were Produced for China Before
>Cancellation
>> >April 24, 2020  The Velite 5 experienced moderate success, but 
>>ultimately
>> >had little time to shine ... After only two years on the market, the
>
>>Velite
>> >5 was already becoming obsolete ...
>>
>>https://thenewswheel.com/wp-content/uploads/2020/04/buick-velite-5-1000x599.jpg
>> >...
>>
>>http://electric-vehicle-discussion-list.413529.n4.nabble.com/template/NamlServlet.jtp?macro=search_page&node=413529&query=velite&days=0&sort=date
>> >
>> >
>> >
>> >
>> >For EVLN EV-newswire posts view:
>> >http://www.evdl.org/archive/
>> >https://mail-archive.com/ev@lists.evdl.org/maillist.html
>> >
>> >
>> >{brucedp.neocities.org}
>> >
>> >--
>> >Sent from: 
>>http://electric-vehicle-discussion-list.413529.n4.nabble.com/
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>>(http://groups.yahoo.com/group/NEDRA)
>>
>> >
>>
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Re: [EVDL] E-Motorcycle battery source

[Matt Lacey via EV]

If it's a production bike and 48v,  chances are it's relatively low power. 

My Vectrix is 140v nominal with 18 x leaf modules. 
It is possible to fit 135Ah of nmc cells  at  140v or so for around 19kwh. 
This is a big bike purpose built to be electric.


⁣Sent from BlueMail ​

On 6 Sep. 2019, 18:39, at 18:39, Jay Summet via EV  wrote:
>
>
>On 9/6/19 2:29 AM, EVDL Administrator via EV wrote:
>> On 5 Sep 2019 at 23:10, Alan Arrison via EV wrote:
>> 
>>> 20 to 40 kWh! Just where are you going to put that many batteries?
>> 
>> Yikes.  I assumed he meant amp-hours.  
>
>Well, if he wants a 60 AH battery, he could make it out of 6 or 7
>Nissan 
>Leaf modules in series and that would be of a reasonable size to carry 
>around in a larger bike
>
>Photo of 6 leaf modules packaged together:
>https://www.summet.com/blog/wp-content/uploads/2015/09/IMG_20151018_175423.jpg
>
>Jay
>
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Re: [EVDL] EVLN: VW lo$ing €3000 on each ID EV

[Matt Lacey via EV]

The zoe gets 300km range in city driving in the real world. 400km is by the 
nedc measure,  which shouldn't be used for electric cars or hybrids (very low 
speed). 

Likely the vw is measured on a more realistic cycle

⁣Sent from BlueMail ​

On 5 May 2019, 12:53, at 12:53, EVDL Administrator via EV  
wrote:
>On 4 May 2019 at 18:54, brucedp5 via EV wrote:
>
>> The base variant will have a 48kWh battery pack and a WLTP range
>rating of 330
>> kilometres. This model will be priced from ¬29,900 ($47,170) in
>Germany.
>> Government incentives in France will reduce the price to a more
>reasonable
>> ¬23,900 ($37,400).
>
>That price should make it quite competitive with the cheapo stripped
>Renault 
>Zoe, which is currently a big seller in Europe thanks to its relatively
>low 
>price (IIRC 23.2k Eur before incentive if you lease the battery, 17.2k
>Eur 
>after, and I think the battery costs something like 9k Eur more).  
>
>Renault has run some promos offering to lease the stripped Zoe and
>battery 
>for 190 Eur per month, though with some absurdly low yearly km
>allowance 
>like 7500km.
>
>Of course you can't buy a Zoe here in the States, surprise surprise,
>but I 
>digress.  Now let's see if VW offer the ID here.
>
>Funny though, the VW has a 20% bigger battery,  but 17.5% less WLTP
>range.  
>Zoe is rated 400km with a 40kW battery.  VW must have really messed 
>something up in their engineering (aerodynamics?  weight?).
>
>Zoe is also not losing money; in fact Renault is making a small profit
>on 
>the car.  Renault thinks they'll do even better on the new version
>coming 
>out next year.  It'll be based on the new Renault-Nissan-Mitsubishi
>common 
>EV platform, unless the Carlos Ghosn mess trashes the partnership -- or
>
>Nissan does.
>
>> profitability forecast to begin around 2025. 
>
>This isn't a big deal, though the anti-EV Koch crew often crows at it. 
>From 
>what I've read, it's not uncommon for newly launched ICEVs to show a
>loss 
>for the first few years too.  I seem to recall that it took Honda
>something 
>like 5 years before they made a profit on the Accord, but I might be 
>remembering that wrong.
>
>David Roden - Akron, Ohio, USA
>EVDL Administrator
>
>= = = = = = = = = = = = = = = = = = = = = = = = = = = = =
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Re: [EVDL] Recommendations for Maxi-scoot EVs

[Matt Lacey via EV]

There's also the Vectrix,  only available second hand though,  and helps if you 
are happy to work on your own bike

ZEV are on par with Chinese scooters, specs are inflated on all units

⁣Sent from BlueMail ​

On 16 Dec. 2018, 14:27, at 14:27, nsprieg via EV  wrote:
>It is time I take my 2-wheeling to the electric era. With ongoing
>health
>issues a large motorcycle is just not safe. So I am searching out my
>options for a production maxi-scooter style (or similar) EV. Hopefully
>the people on this list can recommend a few? Needs to be at least
>limited distance highway capable (so 60mph-ish), 350lb carrying
>capacity
>and 40 mile minimum range. Pretty hefty set of requirements! At the
>least Z Electric Vehicles (ZEV) has their LRC and S series, with the
>higher-capacity T series reaching those numbers. The BMW C-evolution
>also reaches that goal, but at quite the cost. At that amount I may as
>well buy a used EV car. Any others out there I missed?
>
>Thank you,
>Nathan
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Re: [EVDL] Dakota 10ah 12v LiFePo4 lets out magic smoke after one year

[Matt Lacey via EV]

Hi Mark,  

Were the batteries designed to be put in series? Or more accurately the bms? 

Quite likely the fets on the bms board weren't rated to a high enough voltage 
to be used in a 24v system. 

⁣Sent from BlueMail ​

On 20 Sep. 2018, 04:58, at 04:58, Mark Hanson via EV  wrote:
>Hi Folks
>I bought 2  12v 10ah lithium battery replacements for my 7.2ah lead
>batteries in my electric mower. Last night one let the magic smoke out
>after a season of mowing and found a bad series transistor at fault. 
>Taking it apart revealed 4s3p cilyndrical cells 2650 size.  They tested
>good but the circuit fried. 
>Best regards
>Mark
>
>Sent from my iPhone
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Re: [EVDL] interesting links

[Matt Lacey via EV]

We could always add to the page.  Or even make you one Matthew 

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On 20 Mar. 2018, 08:43, at 08:43, Matthew Quitter via EV  
wrote:
>I had no idea he started on a 944! How interesting. 
>
>PS if I ever get a wikipedia page I’ll make sure EVDL is mentioned all
>over it. ;). 
>
>> On 19 Mar 2018, at 18:08, Rod Hower via EV  wrote:
>> 
>> I still remember when JB was on the EVDL posting about that Porshe
>and getting advice from Lee Hart and other longtime list members!
>> 
>> 
>>On Monday, March 19, 2018 12:53 PM, Willie via EV
> wrote:
>> 
>> 
>> https://www.rathascourage.com/author%20bio%20
>> http://www.evalbum.com/223
>> 
>> Interestingly, JB's early activities are not mentioned in his
>wikipedia 
>> article
>> https://en.wikipedia.org/wiki/J._B._Straubel
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Re: [EVDL] 3 phase range extender?

[Matt Lacey via EV]

The stator windings of induction motors also make pretty good inductors.  Can 
be had for scrap value if you're lucky 

⁣Sent from BlueMail ​

On 5 Mar. 2018, 01:16, at 01:16, Lee Hart via EV  wrote:
>John Lussmyer via EV wrote:
 Would a "bad boy" full wave 3 phase rectifier work?  (I'd probably
>need to adjust the voltage output of the generator.)
>
>> Figuring out the inductor size might be a bit difficult, but
>hopefully not TOO critical.
>> I'm unlikely to need more than about 30KW out of this continuously.
>
>It's not critical. The more the better (up to the point where the 
>inductor becomes impractically big/heavy/expensive, or its resistance 
>adds too much loss/heat).
>
>The inductor's job is to spread out the current spikes at each AC peak.
>
>32kw at 320vdc is 100 amps average. With no inductance, the current is 
>liable to be 400a spikes for 1/4 of the time. That will put a real 
>strain on the diodes and wiring.
>
>The more inductance you add, the smoother the current becomes. The
>peaks 
>go down, and fill in the zero-current valleys.
>
>If you manage to get too much inductance (which would probably take an 
>inductor too big to lift), the output current essentially becomes DC. 
>The current in each of the 3-phase windings becomes a 33% on-time
>square 
>wave.
>
>Note: That big inductor will have a hell of an inductive "kick" if 
>something tries to interrupt the DC output current. A switch, fuse, or 
>circuit breaker on the DC output will arc like mad if it opens while 
>charging at 100A!
>
>An old arc welder transformer should work as an inductor. Disconnect or
>
>remove the primary and rectifier, and use the high-current secondary as
>
>your inductor.
>
>>> If you want to fully regulate the output voltage and current, three
>of
>>> the diodes in the bridge could be replaced with SCRs, and phase
>>> controlled. Copy a classic circuit from an SCR manual, or use your
>>> favorite microcontroller and program it yourself.
>>
>> And also thanks for giving the ONLY useful answer that didn't boil
>down to "go buy a 30KW 3 phase hi-voltage charger".
>
>You are most welcome! Though my solutions are often on the crude / old 
>tech side, that is because it's more likely that people can actually 
>*do* them. Wonderful high-tech solutions are great on paper; but often 
>never get implememted.
>
>In your case, I know you are a great programmer; so a solution that 
>includes a micro is not going to be a roadblock. That's the part you 
>like! :-)
>
>-- 
>You never change things by fighting the existing reality. To change
>something, build a new model that makes the existing model obsolete.
>   -- R. Buckminster Fuller
>--
>Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
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Re: [EVDL] 3 phase range extender?

[Matt Lacey via EV]

No,  a vfd can go in both directions. Same concept as using one as a motor 
controller.  You're basically getting the vfd to run the genset in Regen.  
Genset goes on the output side of the vfd. The battery goes on the dc bus.  

No need to connect anything to the normal ac input 

⁣Sent from BlueMail ​

On 4 Mar. 2018, 13:37, at 13:37, John Lussmyer via EV  wrote:
>On Sat Mar 03 21:29:22 PST 2018 ev@lists.evdl.org said:
>>You could get a variable frequency drive to convert the ac to dc. 
>Assuming the get set output is 220vac or similar.
>
>Last I knew, a VFD output AC at a Variable Frequency.  Not DC.
>Sounds like you are suggesting I just get a 60KW (actually, I only need
>30KW) charger.
>
>
>--
>
>Tigers prowl and Dragons soar in my dreams...
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Re: [EVDL] 3 phase range extender?

[Matt Lacey via EV]

You could get a variable frequency drive to convert the ac to dc.  Assuming the 
get set output is 220vac or similar. 

⁣Sent from BlueMail ​

On 4 Mar. 2018, 13:21, at 13:21, John Lussmyer via EV  wrote:
>So, I happen to have an older 3 phase, 60KW generator head.
>I also have a small car engine with all the pollution controls.
>My battery pack is fully charged at 332VDC.
>
>I'm trying to figure out if there is some way to use this generator as
>a range extender.
>While driving my PFC-50 would help some, that's only 12KW.
>
>Would a "bad boy" full wave 3 phase rectifier work?  (I'd probably need
>to adjust the voltage output of the generator.)
>
>Is it possible to build a voltage regulator that adjusts the voltage
>QUICKLY in order to get something closer to a square wave output rather
>than the normal sine wave?
>
>
>--
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>http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250
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Re: [EVDL] backup starter battery for ice

[Matt Lacey via EV]

You could use ultra caps. Similar price,  but you can leave them flat 
practically forever 

⁣Sent from BlueMail ​

On 12 Feb. 2018, 04:08, at 04:08, ken via EV  wrote:
>  thou I have 2 ev scooters, and ev mower n blower, I'm looking for a
>backup starter battery for my low use ice wagon. I don't want to use
>Lead based , so which chemistry has a low Self Discharge, life4 sounds
>safest over lipo.
>
>I do have an Icharger so I can charge safley.
>I have a medium sized 4 cyclender and an 1980's car.
>
>
>
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Re: [EVDL] OMG Tesla semi with a suprise in the trailer.

[Matt Lacey via EV]

I wonder how long until Tesla starts supplying electric chassis to motor home 
builders?

Might not be that far off that you even have to convert 

⁣Sent from BlueMail ​

On 18 Nov 2017 15:39, at 15:39, Rush Dougherty via EV  wrote:
>Slow charging
>
>Rush Dougherty
>Tucson AZ 85719
>
>
>> -Original Message-
>> From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of John
>Lussmyer via EV
>> Sent: Friday, November 17, 2017 4:47 PM
>> To: Electric Vehicle Discussion List
>> Cc: John Lussmyer
>> Subject: Re: [EVDL] OMG Tesla semi with a suprise in the trailer.
>>
>> On Fri Nov 17 15:18:16 PST 2017 ev@lists.evdl.org said:
>> >On 11/17/2017 01:02 PM, John Lussmyer via EV wrote:
>> >> Nah, I want the Semi - converted to a Motorhome!
>> >
>> >I had not thought of that!  I had been a great fan of MB Sprinter
>> >conversions.  I have one turning to dust in a garage.  Hasn't been
>> >started in ~2 years.  I tried to start both the propane generator
>and
>> >the main diesel engine a couple of weeks ago.  No go.  I imagine we
>> >will start seeing Tesla truck conversions as soon as the supply
>allows.
>> >It wouldn't take many to make an interesting charging load at RV
>parks.
>>
>> Yeah, Plug in at the RV Park, and draw 42A @ 240V for the full 2 days
>that you
>are there.
>>
>>
>> --
>>
>> Tigers prowl and Dragons soar in my dreams...
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>>
>> ---
>> This email has been checked for viruses by AVG.
>> http://www.avg.com
>
>
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Re: [EVDL] Solar Emergency Charging

[Matt Lacey via EV]

You could get a 120vac grid tie inverter. Those typically have a mppt front end 
that boosts or bucks to a nominal 180vdc before inverting to 120vac. 

Connect the two 180v dc buses and you're good to go.

Having a bit of storage capacity on that dc bus would be ideal for starting 
loads 

⁣Sent from BlueMail ​

On 6 Oct 2017 21:39, at 21:39, Robert Bruninga via EV  wrote:
>I want to develop a way to charge an EV from a Solar array when the
>grid
>is down cheaply.
>
>My thiking is that typical modified sine 12v/120VAC inverters do their
>inversion first from 12VDC to high voltage DC first, and then they chop
>it
>to make it modified sine.
>
>If that is the case, it should be possible to inject high votage DC
>from
>the solar panels at that same point and produce the same 120VAC.  This
>then can drive any standard 120v EVSE.
>
>We can tap into solar panels in increments of 30 VDC and should find
>one
>close.  The problem will be the starting process to bring the VOC down
>to
>the Vmax that matches the HV in the inverter..  That can be done with a
>trivial big resistive load a few caps and then transfer relay maybe.
>
>Thoughts?
>Bob
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Re: [EVDL] Pumping the amperes?

[Matt Lacey via EV]

I use one of those testers on my batteries.  it's the best, hook it up to a 
laptop and the possibilities are endless. 
Pretty sure you can parallel for higher power levels,  of say you needed to do 
a power test on many larger cells

⁣Sent from BlueMail ​

On 27 Jul 2017 00:25, at 00:25, fred via EV  wrote:
>Boy, Howdy! That's a powerhouse! It certainly appears to have the
>capacity as well as all the features I'll need and then some. I've put
>a query to the USA operator to determine the best cabling combination,
>especially if it saves me a few american dollars overall. It looks like
>it would do just as good a job on my lead-acid dust collectors,
>although I just realized that my other R/C charger does have sufficient
>capacity to handle those.
>Thanks for the great lead.
>
>
>On Wednesday, July 26, 2017, 10:58:10 AM EDT, ROBERT
> wrote:
>
>
>This battery tester may do the job. 
>
>
>http://www.revolectrix.com/pl8_specs_tab.htm
>
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Re: [EVDL] EVLN: Low-mileage Leaf EV glut

[Matt Lacey via EV]

For those of us down under, we look at the prices a leaf can go for in 
jealousy


a 60 mile range 24kw leaf here still goes for US$20k


- Original Message - 
From: "Lawrence Rhodes via EV" 

To: ; 
Sent: Sunday,21 May, 2017 4:31 AM
Subject: Re: [EVDL] EVLN: Low-mileage Leaf EV glut



So, it comes to this:
$5K - restore to 80 miles range
$10K - restore to 150 miles range
$20K - new bolt.

PeriPeri you are speculating. I have seen one person get a used battery 
degraded Leaf for 2k. (52mile range). But Leafs will keep a certain value 
based on supply and demand which may be hard to predict. At this point I 
am sorry I bought a 24kw Leaf for 14k. A year ago I was ecstatic. 6 months 
ago I bought a 30 kw Leaf for 13,550. Dare anyone predict? Chances are 
things will get better. Lawrence Rhodes

**





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Re: [EVDL] Controller hunt: In the market for a Curtis 1231C-860 replacement

[Matt Lacey via EV]

A ZEVA 1000A controller is around USD$1300 if you get a display as well:
http://www.zeva.com.au/index.php?product=121

That's the one I use on my conversion, after my 1231C died

The 600A controller is cheaper, I just prefer the additional power

-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of John Lussmyer via
EV
Sent: Monday,02 January, 2017 7:29 AM
To: brucedp5; Electric Vehicle Discussion List
Subject: [EVDL] Controller hunt: In the market for a Curtis 1231C-860
replacement

On Sun Jan 01 15:01:31 PST 2017 ev@lists.evdl.org said:
>Any EV parts company I mention, I am not recommending, just using their 
>site as an example.
>
>New Curtis controller will be in the $2000 price range.
>The evwest site shows a Soliton Jr controller $1900
>http://www.evwest.com/catalog/product_info.php?cPath=1&products_id=48

And a Z1K from Manzanita is $2000.
http://manzanitamicro.com/products?page=shop.browse&category_id=33&vmcchk=1


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Re: [EVDL] Which one china lifepo4 60 Ah?

[matt lacey via EV]

The 42 x 60Ah thundesky pack in my vectrix was originally installed in 2010
It's done 105'000km, and around 1100 cycles equivalent
capacity is down to 45Ah

The e-rider's lack of BMS is likely what killed the first 4 cells

For your application, the e-rider continuous discharge rate may be a little 
high for good service life (stay below 1C continuous for best results)

Your best bet would be either the CALB CAM 72Ah cells, or using leaf modules
- Original Message - 
From: "Willie2 via EV" 

To: "Electric Vehicle Discussion List" 
Sent: Sunday, August 14, 2016 12:48 AM
Subject: Re: [EVDL] Which one china lifepo4 60 Ah?



On 08/13/2016 07:32 AM, Cruisin via EV wrote:
None of the Chinese LifePO4 cells will last long. How many electric cars 
use

that chemistry?


YMMV

I have a ~10 year old ThunderSky LFP pack that has given me more than 50k 
miles; about 5 of the 48 cells have been replaced.  The pack is still at 
around 80%.  In contrast, my Leaf gave me ~25k miles and was below 70% in 
only two years.  ThunderSky did not have a useful warranty.  Nissan 
refused to honor their warranty.  I'd rather deal with ThunderSky than 
Nissan.


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Re: [EVDL] Fwd: Buy a beer for someone in Melbourne, au?

[matt lacey via EV]

best move would be to join the AEVA

also have a look at the AEVA forums

there are many an EV enthusiast in Melbourne

- Original Message - 
From: "EVDL Administrator via EV" 

To: 
Sent: Tuesday, August 11, 2015 12:15 PM
Subject: [EVDL] Fwd: Buy a beer for someone in Melbourne, au?


Luke Giuliani from Australia recently joined the list.  For some reason 
the
list software doesn't seem to like him, because it's apparently trapping 
his

posts.  I thought it was because it didn't like the email address he was
using, but a post with a more normal address hasn't yet made it through
either.

Until I can figure out what the problem is, here is his post, scooped out 
of

the spammy muck in the filter and washed up a bit.

David

= begin quoted text =

Hiya all,

I'd really like to chat to someone in Melbourne, Australia about EV
conversions, pick their brain about some of the more basics what-to-dos 
and

not-to-dos.

Happy to buy someone a beer or coffee if they'll sit through my relatively
ignorant questions :)

Cheers,

Luke

*Luke Giuliani*

= end quoted text =

David Roden - Akron, Ohio, USA
EVDL Administrator

= = = = = = = = = = = = = = = = = = = = = = = = = = = = =
EVDL Information: http://www.evdl.org/help/
= = = = = = = = = = = = = = = = = = = = = = = = = = = = =
Note: mail sent to "evpost" and "etpost" addresses will not
reach me.  To send a private message, please obtain my
email address from the webpage http://www.evdl.org/help/ .
= = = = = = = = = = = = = = = = = = = = = = = = = = = = =


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Re: [EVDL] leaf 60ah vs calb 60ah cells

[Matt Lacey via EV]

They're cheaper with a better layout is the main reason 

Sent on the go with Vodafone from my Sony Xperia™ smartphone

 ken via EV wrote 

> For the case of like a 60 volts to 125 volts for a traction pack for like a
>scooter.. why do some choose leaf cells ? seems like you have to get a
>more specialised/ costly BMS like orion. I've seen youtube about Vectrix
>conversions using both. leaf cells are american  made ? do they have more
>cycles or power density ?
>
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Re: [EVDL] Hey Buddy, Can You Spare Some Leaf Bus Bars?

[Matt Lacey via EV]

Hi Bruce, I have bus bars from a vectrix, which have the same bolt spacing as 
the leaf. Where are you located?

Sent on the go with Vodafone from my Sony Xperia™ smartphone

 via EV wrote 

>On the off chance that one of you has taken apart a Leaf pack and reconfigured 
>it such that you’re not using the bus bars anymore, I’ve got to ask: can I 
>have or buy them from you?
>
>I’ve got 72 cells and arranging such that each cell is paired up with another. 
>This brings the overall pack voltage down to a more manageable level. But, it 
>requires more bus bars than the original did.
>
>Alternatively, if anyone knows a vendor, that could work, too.
>
>Thanks in advance,
>
>Bruce
>
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