Panasonic has on display at CEATEC a “1.5 kWh battery module [made] from 18650-type (18 mm in diameter x 65 mm in length) lithium-ion battery cells, which are widely used in laptop computers, to provide energy storage solutions for a wide range of environmentally friendly energy technologies.” String a couple of these suckers together to store the juice collected from the solar panels on your house, for example.
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