Articles tagged: Amps

How to Read Phone Charger Voltage Specs

Power supply labels can be difficult to read and interpret. I’ll review what matters.

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

Chargers and power supplies come in a wide variety of configurations. Choosing the right one is important. I’ll look at a few of the parameters.

Why Don’t All USB Chargers Work on All USB Devices?

Charging requires both voltage and current. You may need to check the small print on your phones and devices to sort it all out.