The power that emerges is direct current, the kind that runs battery-powered devices.

A battery-powered device, often with remote control, used to transport a walking golfer's clubs.

Everything about it has just turned out, coincidentally, to be what made sense in a battery-powered device.

Keep it Safe to travel with batteries and battery-powered devices.

They are also equipped with battery-powered devices to filter the air.

The small battery-powered device replaces the pick in the right hand.

The battery-powered device is about the size of a portable phone and features a digital display.

These battery-powered devices, about the size of a pocket watch, are surgically placed into the chest.

The 15-pound, battery-powered device looks something like an oversized hockey puck.

However, the nature of cell phones and other portable battery-powered devices means they need constant power in order to work properly.