charger

Photo of two modern smartphones side by side on a wooden table. The smartphone on the left displays a vivid lightning bolt icon on its screen, symbolizing fast charging. The smartphone on the right shows a detailed snail icon, representing slow charging. Both phones are connected to their respective chargers, with cables leading off the table.

Why Does My Phone Charge Slowly on Some Chargers?

Why do some chargers work faster or slower than others? We’ll take a look at some basic electrical concepts to understand what to look for in a charger.

Power Supplies and Cables

Can I Use a Charger With the Same Voltage but Different Amperage Rating?

It’s much less of an issue now that USB-based chargers are commonplace, but if you’re wondering if that old “almost right” charger will work for your device I’ll walk you through what needs to match, what can vary, and the risks if you get it wrong so you can power up safely without frying your gear.

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