Tesla's Powerwall
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05-05-2015, 14:33
(This post was last modified: 05-05-2015 17:23 by travelite.)
Post: #1
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Tesla's Powerwall
The Tesla Powerwall is a nifty package but unfortunately it's not as well suited to our buses as I was hoping. It's rated at 10kWh which equates to 833 Ah at 12V at a price of $3500 which looks good, but the continuous power output is only 2kW. (A paltry discharge rate of C/5). Not nearly enough for my two 4000W Xantrex inverters. I'd need four Powerwall's to satisfy my bus's needs. Two is reasonable, but four? It's a very nice form factor which would fit beautifully in my basement bays, even two would easily fit, but four? And, four really kills the price point. It appears Tesla has surrounded it's hi-tech Li-Ion battery pack with sufficient electronics to choke the power delivery. Their rationale is most likely to prolong battery lifetime and cycles. Pretty much they want to meet their 10 year warranty.
david brady, '02 Wanderlodge LXi 'Smokey' (Sold), '04 Prevost H3 Vantare 'SpongeBob' "I don't like being wrong, but I really hate being right" |
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05-05-2015, 17:36
Post: #2
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RE: Tesla's Powerwall
on demand genset where high load demands cause the genset to pop on realtime and power the load?
Gregory O'Connor 2001 LXi43ss Romoland California 92585 951-830-5997 Rainbowrv.com |
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05-05-2015, 22:31
(This post was last modified: 05-05-2015 22:31 by davidbrady.)
Post: #3
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RE: Tesla's Powerwall
(05-05-2015 17:36)GregOConnor Wrote: on demand genset where high load demands cause the genset to pop on realtime and power the load? Basically this is what I do today, but I don't shift gears until the 8kW level. Giving me Lithium Ions but restricting me to C/5 is like giving me a Porsche 911 Turbo but telling me I can't drive faster than 40mph. david brady, '02 Wanderlodge LXi 'Smokey' (Sold), '04 Prevost H3 Vantare 'SpongeBob' "I don't like being wrong, but I really hate being right" |
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