ITech AT21-132001 Owner’s Manual And Operation Instruction page 37

WARRANTY REGISTRATION FORM
Register your product by mailing this form to support@a-ipower.com or register online
at www.a-ipower.com.
Registering your product is important, it provides protection:
1) You have record of product purchased.
2) Customer Service can Better serve you for Warranty related issues.
3) We can contact you in the unlikely event should notification is necessary.
4) Alway keep copy of your orginal receipt.