Lenovo Y550 IdeaPad Y550 User Guide V1.0 - Page 34
Charging the battery, Handling the battery - ac adapter
UPC - 884942240164
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Y550 UG V1.0_en.book Page 26 Wednesday, December 10, 2008 4:51 PM Chapter 2. Using Your Computer Before you charge the battery, make sure that its temperature is at least 10°C (50°F). Charging the battery When you check the battery status and find that the battery is low, you need to charge the battery or replace it with a charged battery. If an AC outlet is convenient, first, connect the power cord to the transformer pack, second, plug the power cord into the electrical outlet, and then connect the AC adapter to the power jack of the computer. Charging time will depend on the usage environment. Handling the battery Danger: Do not attempt to disassemble or modify the battery pack. Attempting to do so can cause an explosion, or liquid leakage from the battery pack. A battery pack other than the one specified by Lenovo, or a disassembled or modified battery pack is not covered by the warranty. 26