Lenovo ThinkPad have replaceable batteries hot

Lenovo ThinkPad latest hot-swappable battery system, both to help extend the time between charges, and elsewhere.
The ThinkPad T440 and T440s equipped Bridge Power Technologies, Inc., to allow an extra laptop battery, external without shutting down the dubbing.
The ThinkPad T440 and T440s equipped with a built-in battery three cells, more power a second three or six batteries, Lenovo said it will add four hours or 10 hours, respectively, to join this option .
Lenovo Ultrabook, can provide up to 17 hours of battery has an extra six-cell battery, but it is unclear how much of the original battery.
Even if the battery, portable, lightweight than its predecessors, according to Lenovo. Is connected to a replacement laptop battery according to the three cells, weight about 180 g, 340 g, and the six-cell added.
Two teams working Haswell Intel Core storage device hard drive or SSD 512GB 1 TB, the biggest 12 GB of RAM. , No mini SD, USB 3.0 and Ethernet support, users can also choose to touch models.
T440 has a 14-inch screen, weighs 1.8 kg, and starts at € 859 excluding VAT, while the T440s at 1.5 kg and 1080 screen thinner, lighter, but it costs 1195 pounds sterling. You can buy laptops are available from November.
In addition, ThinkPad X240's ENTER (enter) also has a dual battery set. Laptops began 999 € excluding VAT, provides functionality, 12.5 HD display and storage 1TB hard drive, 8GB memory, and supports HDMI, Ethernet, Bluetooth, also comes with a choice touchscreen. It weighs 1.34 kg and the second battery is not included. It will also be in November.
They have to buy a secondary battery, the spokesman said, but it is not entirely clear how much they will cost.