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When the battery is being charged, positively charged lithium ions break away from the cathode and travel in the electrolyte to the anode, where they meet electrons brought there by a charging device.

电池充电时，从负极分离的锂离子经过电解质运动到正极，并和由充电装置提供的电子相遇。

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This is a low energy-density device, which stores electricity directly by charging two conductive plates with static.

（和电池相比，）这是一种“低能量密度”设备，电能被直接存储在两块静止的导电板上。

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Along with extraordinary battery life ranging from 12 to 20 hours and device charging, the speakers allow continuous wireless play up to 33 feet away.

ENGADGET: Braven Six Series speakers offer Bluetooth audio, wired charging

The All-in-One Mobile Companion features a USB port for sharing content from a USB storage device or charging smartphones, as well as an Ethernet Port that enables users to easily connect to an existing network in a conference room or hotel room.

ENGADGET: D-Link's All In One Mobile Companion is gonna lighten the load of your checked baggage

SharePortGo II also features a USB port and SD card slot for sharing content from a storage device or charging smartphones and tablets, as well as an Ethernet port that enables users to easily connect to an existing network in a conference room or hotel room.

ENGADGET: D-Link releases the $120 SharePort Go II pocket router / hotspot with added SD card reader