Bose SoundTouchPortable Wi-Fi Owner's guide - Page 17

Using the System Operating on battery power A fully charged battery provides approximately three hours of use at maximum volume. The rate of battery discharge varies with the volume setting. Tip: To extend the battery playback time, reduce the volume. Checking the battery To check the battery's charge level, press on the button pad for 2 seconds or more while observing the battery status icon on the display. Charging the battery The battery status icon on the display appears when the battery charge drops below 20 percent capacity, and needs charging. You can immediately use the system while the battery charges. To charge the battery 1. Plug the power cord into the POWER connector on the system. 2. Plug the other end of the power cord into an AC (mains) power outlet. Recommended charging time is three hours when not playing audio. The battery status icon on the display indicates charging status. English - 17