Replacement Synchronous Buck NexFET™ Power Block MOSFET Pair Controllers IC Compatible with Apple MacBooks (CSD58873Q3D / CSD58873D / 58873D: QFN-8 Pin)

Shipping & Delivery We aim to process and deliver your order as quickly and safely as possible. Please review the details below to understand how shipping and delivery works at Celltrix. Order Processing Time Processing Time: Most orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays will be processed on the next business day. Estimated Delivery Time Delivery times may vary depending on your location and courier service. As a general guideline: Within major cities: 2–4 business days after dispatch. Other areas: 3–7 business days after dispatch. These are estimates only. Delays can occur due to courier issues, weather, or unexpected events outside our control. Shipping Charges Shipping fees are calculated at checkout based on your delivery location and selected courier service. Any available free shipping offers or promotions will be clearly mentioned on our website or at checkout. Cash on Delivery (COD) If Cash on Delivery is available for your location, it will appear as a payment option during checkout. Please ensure that: Someone is available to receive and pay for the parcel. Your address and phone number are correct and active. Address & Contact Accuracy Please double-check your delivery address and contact details before placing your order. Incorrect or incomplete information may cause delays or failed deliveries. If you notice an error after placing your order, contact us as soon as possible. Delays & Order Tracking Once your order has been dispatched, we may share a tracking number or courier details when available. If your order seems delayed, you can: Visit our Track Your Order page, or Contact us at support@celltrix.com. Damaged or Missing Parcels If your parcel arrives damaged or appears tampered with, please: Take clear photos of the outer packaging and contents. Note any visible issues on the courier slip, if possible. Contact us immediately with your order number and photos. We will work with you and the courier to review the issue and find an appropriate solution. Need Help? If you have any questions about shipping, delivery times, or courier options, please contact our support team at support@celltrix.com.

Return & Refund Policy We want you to be satisfied with your purchase from Celltrix. This policy outlines how returns and refunds work for mobile parts and accessories. All return requests must be made within 14 days of receiving your order. Return Eligibility To qualify for a return or exchange, the following conditions must be met: The item must be unused and in original factory condition. All packaging, stickers, warranty labels, plastics, and protective films must be intact and untampered. The return request must be submitted within 14 days of delivery. A valid order number or proof of purchase is required. Non-Returnable Items The following items cannot be returned under any circumstances: Used, installed, or tested items Physically damaged items (cracks, burns, bent frames, pressure marks, etc.) Items with removed, broken, or tampered warranty stickers Wrong model ordered by the customer Final sale or clearance items (if marked) Defective or Incorrect Item Received If you received a defective or incorrect item, contact us immediately. We may require clear photos/videos showing: The defect or issue The product with label and barcodes visible Packaging and any included materials After reviewing your claim, we will offer an exchange, replacement, or store credit depending on stock availability. How to Request a Return To initiate a return request: Email us at support@celltrix.com Include your order number and the item you want to return Explain the reason for return and attach photos/videos (if applicable) Wait for our team to approve and provide return instructions Refunds Once the returned item is inspected and approved, your refund will be issued as: Store credit, or Refund to original payment method (if applicable) Refund processing times may vary depending on your bank or payment provider. Shipping Costs Shipping fees are non-refundable. Return shipping costs must be paid by the customer unless: A wrong item was sent by us The product is confirmed defective upon inspection Need Help? For questions about this policy or help with your return, contact us at support@celltrix.com.