gadgets
USB Power Meter Tells You Which Devices Will Kill Your Laptop's Battery

When you're traveling and away from a reliable power source, conserving your laptop's battery is of the utmost importance. And knowing which of your USB accessories draws the most juice thanks to this simple £20 power meter—whether it's a wireless adapter, an external drive, or even your phone—will help you max out whatever battery life you've got left. Read More >>

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