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Supercharge map updated on teslamotors.com

I was wondering if they would update that as new stations came on line.

Map is updated - just have a look.

And it says "Supercharger" at the top, instead of "Go Electric"

Hm. I don't see it. Can anyone post a side by side comparison? How can you go back to a previous version of a webpage?

The Supercharger network is the exact thing that assures me that Tesla can't POSSIBLY go under. If they were to go bankrupt, the first thing that would be happening is Tesla delaying Supercharger openings, and then everyone would be like "op looks like Tesla's slipping up what a shame what a shame" but they're NOT. They keep being awesome instead.

@jonesxander - what about counting. There were 6 red dots before and now there a 8 red dots in CA.

With the slider in the "Today" position it shows two new active chargers in California along 101.

I agree with Engineer. For many reasons I believe Tesla will be around for a long time, but the SC Network is in my top 3. They are planning for the future! Who would build an infrastructure network to only service 20,000 cars? Doesn't make sense. These initial buyers are resourceful and would manage fine w/o SC. The network is here for everyone, but it really builds confidence for the Gen 111 buyers!

Tesla knows.....If they built it......we will come & charge!! And we have - SD to LA trip was a breeze when charging at Hawthorne.

I just love this company!
Jackie :-)

@Kliest, I just think my page wasn't updating. It's up now. Besides why would I do a silly thing like simple math? :)

Jackie - Tesla is much more then cars... look at the largest Solar energy producer in the World - Germany... if the wind blows and the sun shines they don't know what to do with the extra electricity. Tesla is about electricity storage... their first application is to move your rear end from A to B in an incredible smooth style.

@jonesxander - being silly isn't that the best part of the experience?

Today I drove 110 miles to Half Moon Bay just to buy a pound of fresh local Salmon... Nicki my fish lady is on vacation. Took the windy fun road and had a blast. Silly is fun...

@Kleist, now that's the kinda silly I can understand haha.

Motorcycles love that road... I let them go by and then chasing them...

NOTE the answer to the question about supercharging harming the battery. The answer is that it won't affect the new battery warranty - but that warranty only covers defects in the battery, and explicitly excludes loss of range.

Tesla really needs a much better answer on this. Either by amending the battery warranty to include range, or provide a battery protection plan, combined with battery swap, that would provide protection on the range.

Since the warranty only coves defects and not range - the statement on not harming the battery really doesn't provide much of an assurance...

Similarly, they should also make a clear statement of charging practices with the HPWC - that charging at the full 80A rate, and charging below the "max" range level will not damage the battery or seriously affect the range.

Tesla sez:

"http://www.teslamotors.com/forum/forums/no-limits-supercharge-cycles?page=1"
and
"How often can I Supercharge, is it bad for my battery?

Superlading påvirker ikke nybilgarantien. Kunder kan bruke nettverket så mye de ønsker.

The statement is only that it will not damage the battery - but the warranty specifically states that battery capacity/range degrade over time - and is not covered by the warranty.

Based on what's in warranty and the supercharger statement - the battery is guaranteed to operate - but there isn't any guarantee that the battery range will not be affected.

Just going by what Tesla has officially provided on the website - and in the warranty - not by unofficial statements by Tesla staffers in the stores, engineers, or battery experts.

Tesla really needs to address the range issue - and be much clearer about the preferred strategy for managing and protecting the battery when charging with superchargers or HPWCs.

Should we be adopting what some owners are recommending - charging only to 50% - and using the variable charging slider to only charge what's needed for the next day?

Or are we safe to charge at any level up to 90% - at superchargers and HPWCs without any concern the range will be significantly affected?

And the sooner we can find this out - officially - the better - before we've been using charging practices that turn out to accelerate range degradation.

I don't understand this "range issue" you speak of. Tesla says to use the car as you normally would use any other vehicle, and to keep it plugged in and charged when not being driven. They don't tell you to jump through hoops. Use range mode/max range or whatever it's called when you take longer trips. Tesla says use the superchargers all you want without worry, yet you seem to want to scare people into thinking that Tesla is lying to them. That's not very nice.

You seem to be all in a panic over something that most people won't find to be anything to worry about. Am I way out in left field on this? LOL

AmpedRealtor +1

What I get from the Panasonic battery capacity chart on the recent SeekingAlpha article: one is to expect a 10% decrease after ~200 cycles (~50K miles) and a 20% decrease at ~600 cycles (~150K miles). I've used 250m/cycle here.
The 20% has a different curve for 60 and 85 kWh packs, though.
To get down to 70% you'd have to drive at least 600K miles, it seems.
Now the question is if any change in charging behavior has any effect on those slow degradations in capacity.

+1 AmpedRealtor!

@bp-

You are absolutely correct to be concerned about "good practices" when it comes to maximizing battery longevity. I've been digging at this issue for 4 months (Volkerize to see my prior posts months ago echoing yours) on the absence of any guidance from Tesla other than " keep it plugged in". The answers I'm getting directly from Tesla engineers (under duress in most cases) are non-intuitive and advise requisite sustained connection to overnight charging systems that allow for charge/ voltage balancing between individual packs/ cells to maximize battery life. How many people know that? I didn't, and I visit this forum fairly frequently.

My specific situation: I commute regularly to work (~15 miles round trip). I have an HPWC at home and free charging at work. I used to standard charge at work (30 amp, Chargepoint) to 241 and then top off to full standard at home overnight because that's what I was told was best for the battery in December. No more. Now I charge to 130 at home on 30 amps only, every night, and the car sits at work unplugged (subsidy be damned). Why? Because what's most important I'm told is a "routine" and charging "at the same time when necessary". The additional top off in the middle of the day was apparently not an optimal approach according to the engineer (via ownership). The cells require a sustained period hooked to a charging source to "balance". How long? Unspecified. How does that even work if the charger shuts off? Unspecified. The conversation at some point started to sound more like instructions on the care and feeding of a bipolar hamster and has left me with more questions than answers.

I think Tesla is doing a commendable job of trying to simplify battery ownership by making the process seem as simple as turning a faucet on and off. This will be appreciated by the art history majors and many others that buy the car, but it will never be acceptable to the technorati. IMO Tesla should provide a single page with 10-20 bullet points on factors that affect battery longevity as well as optimal charging protocols with sample cases i.e. long distance cold weather commuter, short distance hot weather commuter, etc. We know these batteries are the most highly spec'd out component of the car. Why are owners left to guess on how best to care for them 7 months after delivery?

There are so many possible usage patterns the engineers are hard put to give info that applies to all cases, perhaps?

Before we can understand all the intricacies of battery management some important information is needed. What is the algorithm for charging? If you do a 50% charge, do they charge all the cells to 50% or half to 100%? What is the discharge algorithm? Do they discharge a cell completely and the move on to another, or do the draw from all at the same time or do they have arrays which work in parallel? I don'see how we can fully understand best how to get that last 5% life out of the battery without a look at the schematics an specs.

Everyone I ask at Tesla tells me not to worry and just follow the instructions: charge to 90% every night. I don't want to spend my time on battery management and range calculations, like, will 100 miles be enough for tomorrow. I have faith that either the battery will behave as they predict, or they will make it right. I also believe that they will come out with a battery refurbishing plan in the future. So I think I will follow the immortal words of Bobby McFerrin and don't worry be happy

I can understand both sides of this, although I do take the Bobby McFerrin approach. Like powering off computers or simply leaving them running (either normal or a hibernate mode)...the wear caused by the expansion and contraction of components (powering off and on daily) is rendered irrelevant because the computer will be replaced before breaking due to that wear. Same with hard drives...we don't need to worry too much for non-industrial drives because it will be time for an upgrade before it passes its mean-time-to-failure. All of the OP points are valid, but with all the focus on improving the battery technology and expansion of SCs, the batteries will likely need to be replaced due to technology advanced (not forced, but desired by owners), not degradation around or after the 8-year mark. It'd be nice to see that stated somewhere, but I don't think they can do that. Just my personal speculation and insight.

Edit: By OP, I actually meant bp and Robert...it seems we strayed off the OP/main topic a bit.

Yes, apologies to the OP (David) for contributing to the hijack as well as tolerating this last comment :)

A colleague offered an interesting viewpoint today. He said if Musk wanted me to get used to swapping my battery pack like a used toothbrush, why would he want me to get caught up in polishing the bristles? Hmm...


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