Does graphene capacitor have warranty period?

Each graphene capacitor has the warranty period. During the warranty period, the product could be maintained and repaired for free. The warranty period may be extended if it is required by you. You could have the confidence that our products are of high quality and are almost in no need of repair during the warranty period.

Through years' effort, Shanghai Green Tech Co.,Ltd. has become a manufacturer and exporter of quality graphene supercapacitor has taken a dominated position in China. The graphene capacitor series has become a hot product of Shanghai Green Tech. GTCAP supercapacitor goes through a series of sophisticated workmanship. The comminution and concentration of raw materials are carried out to provide a more concentrated material for the procedures of extractive metallurgy. Shanghai Green Tech is sophisticated in the field with decades years of experience.

We have made ourselves ready to promote sustainability in business activities. We will make positive and sustainable changes, such as reducing energy consumption and waste pollution.