Sony PRS-700 Users Guide - Page 21

Charging the Reader About charging Charging the Reader is required when using for the first time or when the remaining battery power is running low. Turn on the Reader, and then charge in one of the following two ways.  Connect to a computer via USB (Refer to the Quick Start Guide and page 39). (Charging time: approx. 4 hours*)  Connect to an AC outlet using the AC Adaptor for Reader (ACS5220E) (optional). (Charging time: approx. 2.5 hours*) * Approximate time required to fully charge the battery. Notes  When you connect the Reader to your computer, (indicating connection via USB) is displayed on the Reader's screen. If the battery has been fully depleted, it takes approximately 5 minutes until is displayed, during which time you will not be able to turn on the Reader by the POWER switch. In this case, wait until is displayed. The charge indicator lights up in red while is not displayed, while the Reader is charging.  If the remaining battery power of a connected notebook computer is low, charging via USB connection may not be possible.  If you connect the Reader to a notebook computer which is not connected to an AC outlet, the battery of the notebook computer will be consumed. Do not leave the Reader connected to a notebook computer which is not connected to an AC outlet for an extended period.  Connecting the Reader via a USB hub or extension cable may not work and is not supported. Connect the USB cable directly to the computer. Continued 21 US