Travel chargers promise convenience, but the wattage printed on the box does not always tell the full story. A compact 30W charger may refill your phone quickly, yet struggle to keep a laptop running during work. A 65W or 100W charger sounds powerful, but the actual speed can drop when you plug in multiple devices, use the wrong cable, or charge in a hot airport lounge. That is where real-world testing matters. This guide explains travel charger wattage in simple terms and shows how phones and laptops actually behave when charging, so you can pack smarter, avoid slow top-ups, and choose one charger that…