Manufacturer of graphene supercapacitor batteries

How long is the warranty period of graphene ultracapacitor?
Graphene ultracapacitor warranty starts on the day of purchase and runs for certain time. If the product is defective during the warranty period, we will repair or replace it free of charge. For in-warranty repairs, contact our Customer Service to learn the specific steps. We will do our best to solve your problems. All implied warranties on the product are limited to the duration of this expressed Warranty. Some states do not allow limitation on how long an implied Warranty lasts, so the above limitations may not apply to you.
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Through the manufacture of a full range graphene capacitor, Shanghai Green Tech Co.,Ltd. has a wide range of target customers. As one of Shanghai Green Tech's multiple product series, super capacitor module series enjoy a relatively high recognition in the market. The careful inspection during production greatly guarantees the overall quality of the product. The product only contains chemical compounds that are responsible for the color of its light, which are not harmful to the users and the environment.

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