Supercapacitor, Edlc manufacturer / supplier in China, offering Laser Welded Supercapacitor 2.7V 600f Energy Storage Use, 2.7/3.0V 3000f Supercapacitor Backup Power Supply for High-Power Motors 60*138mm, Strong Engine Starting Effect, Suitable for Altitudes ≤ 5000 Meters 18V 566f Supercapacitor Module and so on.