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We provide five-year warranty for the poor performance of battery products when used correctly in accordance with the product manual instructions. The warranty is in effect from the date of purchase by the user (the "Purchaser").
Please read the product manual carefully before installing and using the product, and use the battery correctly under the instructions of the manual.

Procedures for Warranty Claims

1) We'll assist to analyze consumer's problem within 24 hours, and help solve problem, restore battery usage, and introduce the optimal use method;

2) If our product fails to work normally, the consumer assists us in completing all the battery testing, and both parties confirm that the product does have quality problems, we'll send new battery replacement to the defective battery. And the defective battery needs to be returned to our US warehouse by the pre-paid label we prepared, and will be checked and tested by our technical team.

Please click and refer to this document for detailed warranty terms.