Battery Registration To activate your SISWAY battery warranty, please provide valid proof of purchase, such as an invoice, along with the battery order number, nameplate, and QR code. The warranty period will begin from the SISWAY battery’s date of manufacture. Personal Information First Name * Last Name * Email * Phone * Address Information Address * City * State * Country * Company Information Company Name Institution/Organization Purchase Information Purchase Date * Purchase From * Additional Information Proof of Purchase * Upload a copy of your purchase invoice. Other Message I have read and accept the Sisway Battery's Privacy Policy