You can also use the MBA's 45w adapter on other machines — the plug should still fit, but the adapter may not have enough juice to charge AND power a running machine.

你也可以使用MBA 45瓦的变压器在其它的机器上，不过有可能有点不够力。

youdao

Charging Method: Use the original power adapter by adding charging adapter to give direct charge of the product.

充电方法：使用原装的电源适配器加上标配的充电转接头对本产品直接充电。

youdao

Charging: please use the assorted power adapter for charging, or the equipment will be at the risk of being damaged.

充电时：请使用与设备配套的电源适配器充电，否则有损坏设备的危险。

youdao

The manual warns to "use only the power adapter and micro-USB cable that come with your Nexus 4 Wireless Charger", but we didn't have any trouble with other USB power sources beyond longer charging times.

ENGADGET

The only digs were its lack of an included AC adapter (you're forced to use USB power) and subsequently, its honest inability to be used as a mobile solution.

ENGADGET: Creative Xmod external X-Fi device reviewed

The same adapter also makes it easy to use two flat-panel displays with a Power Mac G4.

FORBES: Powerbook Gets Faster, Again