Electronics Priced Right

What drains a phone battery, which settings help most, how to charge for battery health, when a battery is worn out, and whether to replace the battery or the phone.

Wireless charging runs a little warmer than a cable, and heat is what wears batteries. Here is what the research shows, which settings protect your battery, and which wireless chargers are worth buying.

An eSIM and a physical SIM do the same job in different ways. Here is how they compare for switching phones, travel, dual lines, security, and what happens when a phone breaks.

How many watts your phone really needs, what USB Power Delivery and GaN mean, why the cable matters, and how Qi2 and MagSafe wireless charging compare with a wire.

Apple sells seven iPhones at once. This guide shows how the lineup splits by price, screen size, camera, and storage, so you can pick the one that fits how you use your phone.