Electronics Priced Right

Do you need a case and a screen protector? Compare tempered glass and film, learn what to check for fingerprint sensors and magnets, and see tested picks for iPhone, Pixel, and Galaxy phones.

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.