For all products purchased on the site, Warmtec’s customers enjoy a 24-month-long product quality guarantee, under all circumstances.

For all products purchased on the site, Warmtec’s customers can receive a refund unconditionally within 90 days since the day the product is purchased.

Customers shall contact Warmtec by Customer Service Express ( ) before returning any item. Warmtec will not be responsible for returned items without notifying us in advance.


Please keep all packaging material and partial shipment note as they're needed for returns. After mailing back the products, please be sure to provide us the tracking number of the returned package, if there is no tracking number available, a picture of shipping receipt is necessary. If neither of them can be provided, Poweradd might have to hold processing for you until the package arrived.

Please remember to include a note in your package indicating the following details: your order number; SKU numbers returned and quantity; A short description of the problem of the defective item. This note will help expedite the processing time for you.