You don't even need to take your power adapter out of your bag.

您甚至不需要考虑您的电源适配器在您的包。

youdao

It is powered by the USB port so you don't need a power adapter.

它是采用的USB接口，让您不需要电源适配器。

youdao

The difficult way (and the way I chose) is to purchase a car power adapter from eBay.

困难的方法(也是我所选择的方法)是从eBay上购买一个车载电源适配器。

youdao

The gadget is AAA battery powered and there's no power adapter or in-built power pack.

ENGADGET

The router can be powered through a USB connection or external power adapter, both included with the device.

ENGADGET: TP-Link Portable 3G Wireless N Router fits in your pocket, draws power from USB

PlugBug uses the clever trick of attaching to any Apple MacBook Power Adapter by replacing its attached plug or extended power cord.

ENGADGET: PlugBug World brings global travel to the MacBook / USB charger