x220 和X220T 電池長達23小時?

今天我看看LENOVO有什麼新品時發現

http://shoplenovo.i2.com/us/products/new-products/?menu-id=learn&current-catalog-id=12F0696583E04D86B9B79B0FEC01C087&current-category-id=96EBC6A8C8EC47A59E95B3D5E300F333

X220 和X220T 的電池分別有23小時和18小時
另外有幾點新發現
The fastest laptop available under 3 lbs.
3LB以下機種最快
Up to 23 hrs battery life with new slim, external battery pack
新品種超薄電池長達23小時??

X220T
12.5” HD convertible display with premium IPS, nearly 180 degree viewing angle
12.5吋HD(16:9) IPS螢幕

Built strong with scratch-resistant Gorilla® Glass screen
Up to 18 hours battery life with new slim, external battery
電池長達18小時??
Enhanced communications tools—noise cancelling keyboard, HD webcam and two microphone modes: private chat or conference room
鍵盤消音設計


如果X220和X220T有他們說的長達23小時
那不就打敗APPLE和PANS 在電池上的優勢?

真吸引