Articles in Category: Power Supplies
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.
Can Using the Wrong Charger Damage My Device?
Will a specific power supply or charger damage a device? I’ll look at what’s safe and what’s not.
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 Higher Wattage Power Supply With My Laptop?
The voltage and polarity of the power supply must match. Amps and watts have some flexibility.
Is It Safe to Use a Higher Wattage Power Supply in My Computer?
Replacing a power supply is a common solution to some problems. Make sure you have the right wattage power supply. Bigger doesn’t hurt.
Why Is My Laptop Running Slower When It’s on Battery?
Laptop settings control power use when running on battery. Your choices affect performance and how quickly you’ll need to plug in again.
If Shutting Down Windows Cleanly Is So Important, What Happens When the Power Just Goes Out?
Power outages are a different problem than just flipping a switch, and your computer could pay the price.
How Should I Store My Backup Laptop?
Four basic approaches to storing a laptop that isn’t being used.
