Lenovo ThinkPad 560 Thinkpad 560 User's Guide - Page 74

Battery-Powered Operation Charging the Battery Pack Note: When you charge the lithium-ion battery pack, the battery pack temperature must be at least 10°C (50°F). You can charge the battery pack when the AC Adapter is connected to the computer and the battery pack is installed. You must charge the battery pack in any of the following conditions: When a new battery pack is purchased. When the battery status indicator starts blinking ( ). Charging with the AC Adapter Note: If the battery pack is new or has not been used for a long time, it will When carrying your computer without not be fully charged with only a single charging. You will have to the AC Adapter, carry with you a fully completely use it; then recharge it three to six times to maximize charged battery pack for maximum battery operating time. operating time. The following describes how to recharge the battery pack with the AC Adapter when the computer is turned off: 1 Make sure the computer is turned off, and a new or discharged battery pack is installed in the computer. 2 Connect the AC Adapter to the computer, and then to the electrical outlet. The battery pack charges after approximately 1.5 hours. (It takes approximately 2.5-3.5 hours when charging under operating the computer.) 56 IBM ThinkPad 560 User's Guide