To protect consumers' rights, selected NITECORE products come with a verification label on the product packaging. Please scratch off the coating on the label to reveal a 16-digit verification code and a QR code linking to this page. On this page, please select the corresponding product model from the Product Model field, and complete the verification by filling in the required information. After successful verification, NITECORE will send you a warranty confirmation email. Selected NITECORE products are eligible for complimentary 6-month warranty extension. Our products eligible for verification include: Power Banks, Chargers, Mosquito Repellers, Fans (selected models), Air Pumps, Photography Accessories (selected models), Lighting Accessories (selected models) Our products eligible for 6-month warranty extension after successful verification include: Power Banks, Fans (selected models), Photography Accessories (selected models), Lighting Accessories (selected models) * Applicable models are for reference only. Please refer to the product model shown in the Product Model field. * Please remember your registered email address and retain the warranty confirmation email, as they are essential for warranty service. * The original warranty period and warranty terms are subject to the "Warranty Service" section in the product manual.