You just landed in Tokyo. Your phone is at 12%. You plug your USB-C cable into the hotel socket — and nothing happens. Wrong adapter. Wrong voltage. Or worse, you smell that burnt plastic smell. I’ve tested 14 travel adapters across 22 countries over the last three years. Here’s what actually matters in 2026, and what marketing wants you to waste money on. What USB-C Power Delivery Actually Means for Travelers Power Delivery (PD) is not a brand. It’s a fast-charging protocol that lets your laptop, tablet, and phone negotiate the correct wattage automatically. Without it, your 65W laptop charger…