Shanghai SUPRO Energy Tech Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and sales of graphene supercapacitor batteries. With over a decade of industry expertise, SUPRO combines supercapacitor and lithium battery technology to deliver ultra-fast charging (as little as 10 minutes), exceptional cycle life (20,000+ cycles), and industry-leading energy density (95-270 Wh/kg). Operating under ISO9001 and ISO14001 standards, SUPRO provides solutions spanning residential storage, commercial & industrial ESS, telecom backup, marine applications, and utility-scale grid storage.