Lenovo E520, E420 Prerequisites for the procedure DANGER, Keep the battery pack away from fire

Prerequisites for the procedure

DANGER

If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid possible injury:

•Replace only with a battery of the type recommended by Lenovo.

•Keep the battery pack away from fire.

•Do not expose it to excessive heat.

•Do not expose it to water or rain.

•Do not short-circuit it.

•Do not drop, crush, puncture, or subject to strong forces. Battery abuse or mishandling can cause the battery to overheat, which can cause gasses or flame to “vent” from the battery pack or coin cell.

Replacing the battery installed in the battery space of your computer

To replace the battery, follow the procedure below.

1.Turn off the computer, or enter hibernation mode. Then disconnect the ac power adapter and all cables from the computer.

2.Close the computer display, and turn the computer over.

3.Slide and hold the battery latch to the unlock position 1 , and remove the battery 2 .

78User Guide