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Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

I used to rely on AA and AAA batteries that needed a dedicated charger - now I've switched to USB-rechargeable ones, and can't go back.

Fast chargers are no longer a nice-to-have item. With phones, tablets, laptops and wearables all competing for outlets, the right charger can make a difference in how quickly you get back to full ...

The Treedix multifunction USB cable tester identifies which cables work as intended, and which belong in the recycling bin.