DENRYO's History

Jun. 1967
DENRYO CO., LTD. was established, and in charge of selling measurement machines.
Jun. 1976
Launched mobile radio.
May. 1987
Launched photovoltaic modules.
Feb. 1992
Launched charge controllers for off-grid PV systems.
Sep. 1992
Launched of DC-AC Power Inverters.
Nov. 1993
Launched deep cycle lead acid battery.
Jun. 1994
Lauched battery charger.
Feb.2008
Exhibited at PV EXPO 2008 Tokyo.
Mar. 2009
Original LED bulb 'L-dama' released.
Jul.
The Development Division was built.
Dec.
Originally multiple voltage battery charger 'PANcharge 1k' has been released.
Aug. 2010
Original charge controller, 'SolarAmp mini,' has been released.
Oct.2011
Exhibited at IGEM2011 in Malaysia.
Jun.2012
Exhibited at Entech Pollutec Asia 2012 inThailand.
Jan.2013
SolarAmp mini”has won the Arakawa New Product & Technology Grand Prize.
Apr.
Original solar charge controller, “SolarAmp B,” has been released.
May.
Exhibited at AFRICAN FAIR2013.
Sep.
Exhibited at REI2013 in India.
Oct.2014
Exhibited at All-Energy Australia 2014.
Oct.2015
Exhibited at INTELEC2015 in Osaka.
Nov.2016
DENRYO BATTERY was released.
Aug.2017
Original DC-AC power inverter, 'DIAsine,' has been released.
The patent application number：PCT/JP2016/88016,
PCT/JP2016/88017
Jun.2019
Original charge controller, 'SolarAmp BG,' has been released.
Oct.
Exhibited at 17th Solar Bangladesh 2019 International Expo.
Nov.
Original Photovoltaic Modules, 'DBG 012-24,' has been released.
Oct.2022
Original DC-AC power inverter, 'DIAsine,' Parallel connection model has been released.