Manufacturer of graphene supercapacitor batteries

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How long is the warranty period of graphene supercapacitor?
For longer and more solid partner cooperation relationship, Shanghai Green Tech Co.,Ltd. provides long enough warranty period for graphene supercapacitor. If something goes wrong during the usage, we have our own professional technicians to be responsible for repairing the product for free during the warranty period. During each process, we pay great attention to the quality assurance of each product and we can guarantee a longer service time of our products.
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Relying on the rich experience in R&D and manufacturing graphene supercapacitor, Shanghai Green Tech has become one of the essential market players. Various in styles, Shanghai Green Tech's super capacitor module can meet the needs of different customers. GTCAP graphene supercapacitor is scientifically designed. The cells of it are carefully investigated to achieve maximum sunlight conversion and solar energy storage capacity. The product produced by modern assembly line improves the reliability of quality.

Our goal is to constantly exceed our customer expectations. We aim to respond to their needs in an efficient manner and go beyond their needs.

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