Charging The Battery; Maximizing Battery Life - Lenovo ThinkPad L430 User Manual
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The ac power adapter that comes with your computer has two basic components:
1. The transformer pack that converts ac power for use with the computer.
2. The power cord that plugs into the ac outlet and into the transformer pack.
Attention: Using an improper power cord could cause severe damage to your computer.
To use the ac power adapter, ensure to take these steps in the order they are given as follows:
1. Plug the power cord into an electrical outlet.
2. Connect the power cord to the transformer pack.
3. Connect the ac power adapter to the power jack of the computer.
Tips on using the ac power adapter
You can check the status of your battery at any time by looking at the battery meter at the bottom of your
display.
• When the ac power adapter is not in use, disconnect it from the electrical outlet.
• Do not bind the power cord tightly around the ac power adapter transformer pack when it is connected to
the transformer.
• Before you charge the battery, ensure that its temperature is at least 10°C (50°F).
• You can charge the battery when the ac power 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
Charging the battery
When you check battery status and find that the percentage of power remaining is low or when the power
alarm alerts you that the remaining power is low, you need to charge your battery or replace it with a
charged battery.
If an ac outlet is convenient, plug the ac power adapter into it, and then insert the jack into the computer.
The battery will be fully charged in about 3 to 6 hours. The charging time is affected by the battery size
and the physical environment. You can check the battery charging status at any time by looking at the
battery meter icon at the Windows notification area.
Note: To increase the life of the battery, the computer does not start recharging the battery if the remaining
power is greater than 95%.
Maximizing battery life
To maximize the life of the battery, do the following:
• Use the battery until the charge is completely depleted; that is, use the battery until the battery status
indicator starts blinking orange.
• Recharge the battery completely before using it. The battery is fully charged if the battery indicator shows
green when the ac power adapter is plugged in.
• Always use power management features such as power modes, screen blank, sleep, and hibernation.
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