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Guardian: Australian homes among first to get Tesla's Powerwall solar-energy...
Company says 7kWH energy storage unit, which uses lithium-ion battery to store energy from rooftop solar panels, will be available by end of year
Can a £2,500 'solar box' power your house at night? - Telegraph
www.telegraph.co.uk
They cost £2,500 and are the size of a dishwasher. Can these new 'solar
blackboxes' really stockpile free power?
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