Manufacturer of graphene supercapacitor batteries

How long is the warranty period of supercapacitor energy storage?
The warranty period of the supercapacitor energy storage is run from the day of the order to obtain a certain period of time. If a malfunction occurs during the warranty period, we will repair or replace it for free. For warranty repairs, please contact our customer service department for specific measures. We will try our best to solve your problem.
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Shanghai Green Tech Co.,Ltd. thrives off the fast pace of the industry. The experience gained over years of production and overseas marketing has created the most respected corporate image in the field of manufacturing graphene supercapacitor for sale. Shanghai Green Tech's graphene battery series contains multiple sub-products. The graphene capacitor unique in its design are very famous. Shanghai Green Tech has advanced research technology, professional management and strict quality control system.

We wish that our all-round graphene battery can make customers well worth the money. Please contact.

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