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  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    No, YOU missed the point. The Tesla 10kWh battery is ONLY for back-up (not constant cycling). The 7kWh battery is for daily use-- now figure out how many of THOSE a decent-sized American house would require. I suggest that you re-read the article.
    May 3, 2015. 11:39 AM | 10 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    >> The rate could be 3.33 kW per hour, which means that the device will last about 3 hours. Or the rate could be 10 kWh, which means the device is only good for an hour before it's dead.<<

    That was how I wrote the original draft of this article (before it was published) but then realized that's incorrect. In fact, this battery won't let you draw that much power at one time-- it's limited to 2kw in continual use with surge capability at a bit over 3.
    May 3, 2015. 11:36 AM | 2 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    It's been pointed out to me that the installed purchase price from Solar City is $7140, so I just submitted that correction to the article.
    May 3, 2015. 11:05 AM | 3 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    Whoops-- according to Solar City @ $7140 each, the price for four of them (assuming no discount for a multiple installation) would be $28,650.
    May 3, 2015. 10:57 AM | 5 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    >>Generators aren't rated in kWh, which is a measure of capacity or delivered output. The generator you linked is 16 *kW*...<<

    Yes, I did know that and shouldn't have originally written it that way-- I just put through a correction... Thanks.
    May 3, 2015. 10:56 AM | 2 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    Thanks-- I just put through that edit.
    May 3, 2015. 10:54 AM | 1 Like Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    >>If they guide for 12,000...<<

    I think they'll guide for 10,500-11,000 for Q2 and that Q3 will be worse as more potential "S" buyers decide to wait for the "X" and yet Q4 "X" production will only be around 5000.
    May 3, 2015. 10:49 AM | 6 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    >>...a simple solution - Use more batteries, just like you would in a big flashlight. 4 x 10kWh = 40kWh... It's as simple as that.<<

    Sure, but now the price is $20,000 (vs. 1/3 of that for the installed generator). And of course you still don't have coverage for a multi-day power outage.
    May 3, 2015. 10:31 AM | 10 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    >>The home storage battery offers a good story to back up the funding round.<<

    Except that it's actually NOT such a good story!
    May 3, 2015. 10:15 AM | 7 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    I think my meaning was clear but you are of course technically correct. I just submitted an edit... thanks.
    May 3, 2015. 10:13 AM | 2 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    I used the numbers from Solar City itself (albeit, for the smaller battery), and that's for a one-time lease payment and not ownership.

    The 3.3kw is for surge demand and not continual output.
    May 3, 2015. 10:02 AM | 9 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    You're confusing the two products. It's the 7kWh battery that's designed for daily use (and because of its small size is even more inadequate than this one). This story covers the 10kWh battery which is designed strictly for back-up use.
    May 3, 2015. 10:00 AM | 12 Likes Like |Link to Comment
  • The Silliness Of Tesla's 10kWh Back-Up Battery [View article]
    Sorry about the resale value of your S60, recently obsoleted by the "70". But more relevantly, please feel free to point out any significant factual errors in this story and I'll be happy to discuss them.
    May 3, 2015. 09:57 AM | 43 Likes Like |Link to Comment
  • When Will SolarCity Stop Misrepresenting Its Financials? [View article]
    Apparently, the apple doesn't fall far from the Musk tree.
    May 3, 2015. 09:27 AM | 3 Likes Like |Link to Comment
  • Tesla: Firing On All Cylinders Without Cylinders [View article]
    Okay, so mikestesla has backed out while "fan of the underdog" has contacted me and prefers a wager of $2500 for a 2015 Tesla new car delivery over/under of 50,000. We'll both register with the escrow site and some time in early 2016 we'll have a winner.
    May 3, 2015. 07:02 AM | 4 Likes Like |Link to Comment
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