USB charger
USB Charging and Cables Explained: Safe and Simple
With USB-A and USB-C, things have gotten simpler, but not always obvious. I’ll walk you through what cables really do, how devices and chargers “talk,” and why missing charger blocks isn’t a big deal.
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?
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.
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.
