Power & batteries

Adaptive refresh rate lets a display slow down or speed up depending on what is on screen.

Battery life is how long a device lasts between charges in real use.

Fast charging uses higher power to refill a battery more quickly than a basic charger.

LTPO is display tech that helps phones change refresh rate efficiently to save battery.

mAh is a battery capacity rating that hints at how much charge a device can store.

Thermal throttling is when a device slows itself down to avoid overheating.

Throttling is when a provider or device deliberately slows performance or connection speed.

USB-C is the small reversible connector now common on phones, laptops, chargers, and accessories.

USB-C PD is a charging standard that lets devices and chargers agree on the right power level.

Wattage tells you how much power a charger can deliver at a given moment.

Wireless charging refills a device by placing it on a compatible charging pad.