If you buy our supercapacitor battery, you also get warranty service, within a certain period. Different products come with different warranties. You can check it on the “Product” page on our website, or you could consult us. The warranty covers any defective parts due to poor workmanship or a manufacturer error. Within the warranty period, we offer return, replace, and repair services. Once the warranty expires, you have an option of taking on an extended warranty. It charges a certain amount of money, but affordable and worthy.
Shanghai Green Tech Co.,Ltd. is highly capable of manufacturing graphene battery. We have accumulated a wealth of expertise in the field. Various in styles, Shanghai Green Tech's graphene capacitor can meet the needs of different customers. graphene battery has got a wealth of features. The company's graphene battery products have been exported to many overseas markets.
GTCAP enjoys a good reputation among the super capacitor module market. Please contact.