If you need more plug options for your road-trip gadgets like laptop chargers or fridges, pick up a power inverter. We tested five of them to find the best.

The developer of the USB Tester, [Will], ... then it’s safe to say there’s at least a 2A power supply backing them. Plug in any three common USB devices and you’ve used maybe 200mA.

Non Sequitur. The energy levels are Class 2 per UL1310, or Class I per IEC62368-1 for USB 2; and probably IEC62368-1 Class 2 for USB 3. The basic design looks good.

Gear Best is selling the USB Detector Current Voltage Tester for $4.59 along with free shipping across the world.

USB-C’s Power Delivery mode should allow the Google Pixel to charge the Apple MacBook 12. To put that to the test, I took the Google Pixel with its battery at 100 percent and plugged it into the ...

Hyper's 245 W GaN Desktop Charger removes the guesswork from charging. It's just four USB-C ports, each one capable of a maximum of 100 W (over Power Delivery 3.0), sharing a total of 245 W.