USB-C PD vs Quick Charge: Why Charging Speeds Differ
By Jay Lim · Updated October 31, 2026 · Figures checked against the official pages listed under Sources The Charger Says 65W And The Phone Disagrees For any modern phone or USB-C laptop, choose a USB Power Delivery charger with PPS. Add Quick Charge only if you still own older Qualcomm-based Android devices. If your new phone charges slowly, the culprit is usually the cable or an old USB-A brick, not the standard. You buy a charger with a big number on the box. You plug in the phone, watch the battery percentage crawl, and wonder which part of the chain lied to you. Nothing lied. Fast charging is a negotiation, and the number printed on a charger is the most it can offer rather than what any device will take. Two names dominate that negotiation. USB Power Delivery is the open standard behind USB-C, and Quick Charge is Qualcomm’s system that arrived earlier and still appears on plenty of packaging. Understanding which one your devices speak explains almost every disappointi...