1.  It does come with a removable internal battery, but this computer is guaranteed to spend most of its time near a power outlet.

2.  It is powered by an internal battery that is constantly recharged by an external battery pack, worn on a belt around the waist.

3.  Notebook computers can be plugged into a wall outlet or powered by specially designed internal batteries.

4.  On some models, you can unplug the internal battery for a couple of minutes, then hook everything back up.

5.  The patent covers a method for automatically charging the internal battery powering the device.

6.  The patient can thus remain mobile and productive, hampered only by the need to wear a battery pack to recharge the internal battery.

7.  You can also buy a recharger for internal batteries.

8.  An internal battery and controller regulate the pumping speed, and an external battery powers the device by passing electricity through the skin.

9.  An internal battery and controller regulate the pumping speed, and the external battery powers the device by passing electricity through the skin.

10.  An internal battery and controller regulates the pumping speed, and an external battery powers the device by passing electricity through the skin.