Lenovo E43 User Manual page 45

Notes:
When you do not use the AC adapter, disconnect it from the electrical outlet.
Do not wrap the power cord tightly around the AC power transformer
pack when it is connected to the transformer.
You can charge the battery when the AC adapter is connected to the
computer and the battery is installed. You need to charge it in any of the
following conditions:
When you purchase a new battery
If the battery status indicator starts blinking
If the battery has not been used for a long time
Before you charge the battery, make sure that its temperature is at least 10
degrees Celsius (50 degrees Fahrenheit).
Attention:
Avoid dissembling the AC power adapter at will.
Avoid using outdoors to prohibit heat, burning or electric shock.
Avoid touching the power adapter with wet hands, or let it contact with
water or other liquids.
Do not use this computer's power adapter on other computers in order
to avoid electric shock, burning or damage to the equipment.
In China, please use the AC power cable set with the computer, and
while in other countries, please use the power cable which suits those
countries' standards.
Chapter 2. Using your computer
39