What if the very feature that makes your smartphone so convenient, fast charging, is quietly wearing down its battery? It’s a concern that’s sparked countless debates among tech enthusiasts and casual ...

A recent HTX Studio experiment tested slow and fast charging on multiple iPhones and Android devices, revealing minimal differences in battery degradation. The takeaway? Charge your phone however you ...

Jim Rossman / Tribune News Service This week a reader asks two specific questions about charging batteries. 1. Are faster chargers harder on batteries than slower chargers? For example, is a 20-watt ...

Most of us — casual users and enthusiasts alike — are forever searching for smartphones with the longest battery life. And while fast charging keeps us topped up every day, the absence of replaceable ...

The OnePlus 15 doesn't charge that fast, but it supports fast charging in the US and is one of the fastest charging phones CNET Labs has tested. In a 30-minute wired fast-charging test, its battery ...

In 2025, CNET tested the battery life of 35 phones, and our overall top performer is the iPhone 17 Pro Max. At a starting ...