batteries we're used to finding them in our flashlights remotes phones cameras
cars boats and even our adult oriented toys but apparently Elon Musk has gone
and shaken things up again by suggesting that we all go and put batteries in our
homes lonus we already keep batteries for all that crap in our
homes ow so Tesla power wall then the
premise is fairly simple lower your electricity costs by consuming less
during peak hours and more during off peak hours when it's cheaper and more
ecologically friendly to generate it or when paired with solar panels reduce
your Reliance on your City's power grid or even sell some of the power you
generate back to the local utility company but let's open up with some
criticism at $3,000 us for a 7 KW hour
capacity model or 500 more for a 10 KW
hour capacity power walls are expensive
but the the truth of the matter is that thanks to its features the power wall
simply isn't competing with anything right now so for anyone who would needed
a backup solution for power outages anyway the benefits of using Tesla's
batteries for this application conserving Fuel and money during peak
hours and reduce Reliance on the grid without being detached from it seems to
outweigh the cost for many including entities like Amazon since the power
wall and its industrialized cousin the power pack ended up selling out nearly
as fast as the PlayStation 2 did but what about the performance detractors
point out at 2 kilow continuous and 3.3
KW Max you can easily overpower a power
wall with a handful of microwave ovens and if 7 kilowatt hours or even 10
kilowatt hours really enough capacity anyway the average North American Home
uses about 30 kilowatt hours of electricity per day adding a few extra
kilowatt hours for folks who really love watching the tumble dryer run which
means that it would take more than one bigger unit for pretty much any
household to have enough stored energy to get through the evening with all of
their devices calling for juice at the same time so that's expensive hey the
batteries themselves plus installation inverters or solar panels depending on
your setup so why not save some serious scratch and do it yourself well first
off it turns out that it takes about 10 deep cycle lead-based batteries to equal
the storage capacity of a single 10 KW
power wall and at a conservative cost of
$150 per battery that puts you at about half of the Tesla solution without
having factored in electrical components connections maintenance costs over time
and the fact that you'd have to have the world's most understanding wife to let
you wall mount a tangled mess of car batteries and wires in your garage
secondly with homemade units owners are usually restricted to on-site power
generation and it's at least not as easy
or efficient to switch between grid and
battery power compared to the power wall but is the concept of this home battery
system even practical anyway Christopher Helman from Forbes points out that at an
estimated cost of 30 cents per kilowatt hour within the reasonable lifespan that
is discharges and charges for your battery pack most North Americans would
actually end up paying far more for their power overall than if they just
bought it from their electric company anyway but I guess that how all these
things start out anyway and while I won't be lining up to buy a power wall
I'm definitely excited for a future where energy storage is Affordable and
practical speaking of affordable and practical fresh books it's designed for
freelance workers or small businesses and it's an online accounting tool that
makes invoicing tracking hours getting
paid tracking expenses and getting paid
that's really important that's why I said it twice actually just screwed up
my list so getting paid easier all the
little details like you know history for your invoices and seeing if your client
has actually looked at the invoice yet and getting them to pay through the
online service by credit card is all taken care of so if you're Your Own Boss
you should be using stuff that makes you feel like a boss and fresh books allows
you to spend your time working instead of spending your time figuring out how
to get paid for the work you did so head over to freshbooks.com
Techquickie and don't forget to enter Techquickie in the how did You Hear
About Us section it doesn't actually go like that it's just how did you hear
about us it's just text it's very straightforward but don't worry about
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