VINATECH CO. LTD was founded in 1999, is headquartered in Korea, is the production of super capacitor (EDLC, P-EDLC) enterprises. Supercapacitors replace batteries primarily for solar LED. The energy density of the Hybrid ultracapacitor is much larger than that of the ordinary battery. Hybrid supercapacitors have tens of millions of cycles of life and very good temperature resistance (-25 degrees Celsius to +70 degrees Celsius) and need not be repaired or replaced for about ten years.