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Company History

2006
28 September: Founded by a group of four Keio University research project members, including Yoshida, with capital stock of ¥15 million.
2007-
2008
Completes the first lithium-ion battery cell.
Completes the electriccity strage system prototype.

A battery cell from that time

Development of lithium-ion electricity storage system

2009

Technology Development Center

25 September: Opened Kansai Office (Chuo-ku, Osaka City, Osaka Prefecture).
Opened Technology Development Center (Otsu City, Shiga Prefecture).
26 November: Delivered the first stand-alone lithium-ion EV charging station to Kanagawa Prefectural Government.
2010

Kawasaki Plant 1

6 April: Completion of Kawasaki Plant 1 in Kawasaki City, Kanagawa Prefecture with capacity to produce 200,000 cells per year.
19 May: Launched POWER YIILE large-size lithium-ion electricity storage system.
29 September: POWER YIILE PLUS receives a Good Design Award 2010.
2011
12 August: Awarded the world's first-ever TÜV-S Mark safety standard certification for a large-size lithium-ion battery from international third-party testing and certification organization TÜV Rheinland Japan.

Receipt of TÜV-S Mark

2012

POWER YIILE PLUS

30 March: The POWER YIILE PLUS large-size lithium-ion electricity storage system obtains first certification through a subsidy from the Ministry of Economy, Trade and Industry.
21 November: Announcement of the development of the Power Storager 10 general-purpose electricity storage system for industrial use.

Power Storager 10

Kawasaki Plant 2

2013

POWER iE 6

7 January: POWER YIILE PLUS receives a 2012 Nikkei Superior Products & Services Award (Nikkei Business Daily Award).
18 February: Announcement of the launch of the POWER iE 6 stationary electricity storage system.
18 March: The Kawasaki Office receives the 2012 (19th) City of Kawasaki commendation for contributions to urban landscape development.
4 July: Obtains certification for wide-area collection and transport of general and industrial waste from the Ministry of the Environment.
1 October: POWER iE 6 receives a Good Design Award 2013.
2014
April: Demonstration of bullet penetration test of the battery cell.
September: Launches ELIIY ONE portable electricity storage system.
October: Announces the partnership with Enphase Energy in distributed electricity storage systems.
November: ELIIY ONE receives a Good Design Award 2014.

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2015

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April: Launches POWER iE6 HYBRID solar power generation/electricity storage hybrid system.
2016

POWER YIILE 3

January: Signs Deal to be a Technical Sponsor of Honda Racing Corporation.
April: Launches POWER YIILE 3 electricity storage system for indoor use.
September: POWER YIILE 3 receives a Good Design Award 2016.
December: POWER YIILE 3 receives a JIDA Design Museum Selection Vol.18「Gold Selection Award」.
2017
Janiary: A book about Eliiy Power brought out:
"Challenge to Non-flammable Battery - Hiroichi Yosida,an Entrepreneur from the Age of 69"Nikkei Publishing Inc.