In the past few years, GTCAP has promoted into a major graphene supercapacitor brand. As one of Shanghai Green Tech's multiple product series, super capacitor module series enjoy a relatively high recognition in the market. Its climbing sale figure is the best testimony of the excellent performance and high quality. The product operates silently with no annoying flickering noises and a low buzzing sound after being used for a long time, which allows users to stay in a quiet environment.
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