"A rechargeable battery rental service ....for single-family homes in the Tokyo area has drawn around 1,000 applicants ahead of ... of the launch...¥5,145 per month to rent a battery... The device can store 5.35 kilowatt-hours of electricity in the night when power rates are lower.... a family of three ... has been testing the device, the annual electricity bill is projected to total ¥160,000 in 2013, compared with ¥235,000 without the recharging system in 2012"
Source:
Japan home battery rental service draws 1,000 applicants
KYODO
July 30th 2013
Japan Times
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