Tesla is kind of known for lithium ion batteries, though...
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Wed, Nov 2, 2016 at 10:15 AM, Kurt Fankhauser <lists.wavel...@gmail.com> wrote: > So the powerwall has a Li-Ion Battery? I was wondering if they were going > to use Salt Water batteries or something. > > On Wed, Nov 2, 2016 at 9:53 AM, Chuck McCown <ch...@wbmfg.com> wrote: > >> Wikipedia says the highest energy density for Lion is .875 MJ/kg >> So a Joule is a watt second. >> 200 pound range is 100 kg range. >> So that would be 87.5 MWS >> >> Divide by 3600 = 24.3 kWh >> >> *From:* Kurt Fankhauser >> *Sent:* Tuesday, November 01, 2016 7:54 PM >> *To:* af@afmug.com >> *Subject:* Re: [AFMUG] Tesla powerwall 2 >> >> What battery technology is in this powerwall? Lithion Ion? How are they >> getting that many kilowatts in a 200 pound package? >> >> On Tue, Nov 1, 2016 at 6:27 PM, Charles Regan <charles.re...@gmail.com> >> wrote: >> >>> No special charger. You can adjust the charging voltage and LVC on the >>> Meanwell. >>> >>> On Nov 1, 2016 4:14 PM, "SmarterBroadband" <li...@smarterbroadband.com> >>> wrote: >>> >>>> Being lithium do the Winston batteries need a special charger? >>>> >>>> >>>> >>>> *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Charles Regan >>>> *Sent:* Monday, October 31, 2016 6:35 PM >>>> *To:* af@afmug.com >>>> *Subject:* Re: [AFMUG] Tesla powerwall 2 >>>> >>>> >>>> >>>> We are using Meanwell TN3000, pure sine wave 3000W inverter charger. It >>>> has a solar plug too. Cost is 950$ >>>> >>>> Small sites has the 1500W version the the inverter and Winston 24v 60Ah >>>> lithium battery. >>>> >>>> >>>> >>>> On Oct 31, 2016 10:17 PM, "Adam Moffett" <dmmoff...@gmail.com> wrote: >>>> >>>> 60% DOD is pretty conservative. Do you lose power a lot? Losing power >>>> at this site is somewhat of a hypothetical event. A Mack truck on the >>>> highway wiped out 5 poles and we ran on propane for a whole day. The >>>> previous outage was years before, and I don't expect another one for a few >>>> more years. >>>> >>>> ...and ideally I'm only on battery for a minute or two while the genny >>>> gets started. >>>> >>>> This was my thinking as well.. With my AGM setups I’m not comfortable >>>> pushing beyond 60% DOD.. I’m also paying a lot for 10-year rated large Ah >>>> AGM batteries these days. >>>> >>>> >>>> >>>> >>>> *Peter Kranz*www.UnwiredLtd.com <http://www.unwiredltd.com/> >>>> Desk: 510-868-1614 x100 <510-868-1614%20x100> >>>> Mobile: 510-207-0000 >>>> pkr...@unwiredltd.com >>>> >>>> >>>> >>>> *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Mathew Howard >>>> *Sent:* Monday, October 31, 2016 2:33 PM >>>> *To:* af mailto:af@afmug.com >>>> >>>> *Subject:* Re: [AFMUG] Tesla powerwall 2 >>>> >>>> >>>> >>>> Figuring those prices, you're not going to end up too far off from the >>>> price of the Tesla for the same run time. Tripling the batteries will put >>>> you up to somewhere around $4500, for basically the same kWh, but if you >>>> factor in being able to 100% discharge the Tesla setup, you're going to >>>> need to add a bunch more battery. >>>> >>>> I wonder how the life expectancy compares... >>>> >>>> >>>> >>>> On Mon, Oct 31, 2016 at 2:51 PM, Adam Moffett <dmmoff...@gmail.com> >>>> wrote: >>>> >>>> That's the same link I sent earlier, bro. >>>> >>>> $3049 is list price....you'll pay closer to $2500 - $2600. >>>> >>>> >>>> >>>> On 10/31/2016 3:47 PM, Chuck McCown wrote: >>>> >>>> This looks like it: >>>> >>>> http://www.aimscorp.net/12000-Watt-Inverter-Charger-48-volt- >>>> 120-240vac.html >>>> >>>> � >>>> >>>> $3409/12000=28.4 cents per watt.� >>>> >>>> Not too bad considering there is a battery charger in there. >>>> >>>> � >>>> >>>> *From:* Adam Moffett >>>> >>>> *Sent:* Monday, October 31, 2016 1:01 PM >>>> >>>> *To:* af@afmug.com >>>> >>>> *Subject:* Re: [AFMUG] Tesla powerwall 2 >>>> >>>> � >>>> >>>> http://www.aimscorp.net/12000-Watt-Inverter-Charger-48-volt- >>>> 120-240vac.html >>>> >>>> This has a street price of $2500.� The four SLA batteries were (I >>>> think) $160 each.� The 3/0 battery cable was not free, but I don't >>>> remember what it cost.� This is only 4800 Wh, but it's trivial to add >>>> more/bigger batteries.� >>>> >>>> This doesn't have any built in network monitoring though.....does the >>>> Powerwall? >>>> >>>> � >>>> >>>> >>>> >>>> On 10/31/2016 2:14 PM, Peter Kranz wrote: >>>> >>>> The new tesla powerwall 2 appears to be an interesting UPS option now >>>> that it has a build in inverter/charger. 14kWh for $5500, so would run most >>>> of my sites for about 24 hours. When I backed out the costs for 14kWh of >>>> our standard AGM cells and inverter, I think this price is quite >>>> reasonable. >>>> >>>> � >>>> >>>> https://www.tesla.com/powerwall >>>> >>>> � >>>> >>>> >>>> *Peter Kranz*www.UnwiredLtd.com <http://www.unwiredltd.com/> >>>> Desk: 510-868-1614 x100 <510-868-1614%20x100> >>>> Mobile: 510-207-0000 >>>> pkr...@unwiredltd.com >>>> >>>> � >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> >> > >
