Since its foundation in 1947, LG Chem has served as Korea’s representative chemical company, contributing to the development of the national economy and the enhancement of the quality of life through continuous technological development, new product introduction, and quality innovation based on its stable growth.

The LG Chem Energy Storage System(ESS) allows the end user to store their excess solar energy so that they can utilise it at night. LG Chem’s ESS battery applies the Stack & Folding technology to create high energy density and achieved compactness. It maintains a stable structure against frequent charging/discharging, with superior lifespan compared to its competitors.



The 48 volt RESUs have higher power than most comparable battery systems and are lighter and much more compact than the competition.  They are warrantied to retain at least 60% of their nominal capacity for 10 years or until they have stored slightly under 2,500 kilowatt-hours for each kilowatt-hour of nominal capacity.  Taking an estimate of battery degradation into account this is approximately 3,200 cycles.  When cycled once per day it will take around 8 years and 9 months to reach that point.


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