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Low Battery Status
When battery power is
low (8% or less), the power LED lights yellow when in use, and flashes yellow in standby.
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very low (3% or less) the power LED lights amber when in use, and flashes yellow in
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standby.
When the notebook is in a low battery status, do one of the following:
Power off the notebook, remove the secondary battery, and replace it with a fully charged
!
battery.
Leave the secondary battery in the notebook and charge the battery. (See "Charging the
!
Battery" in the following section. Also see the appropriate user's guide for specifics on
charging times.)
Charging the Battery
Adhere to the following precautions when recharging the battery (also see "Secondary Battery
Precautions" later in this section).
Charge the battery for the specified charge time only.
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During charging, keep the environmental temperature between 32° F and 104° F
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(0° C to 40° C).
Charge the primary and secondary batteries by connecting the notebook to an AC power source.
It takes approximately 8 hours to fully charge the battery while the notebook is on, and 4.5 hours
while off. To monitor the charging activity, observe the battery charging LED on the front of the
notebook. The battery charging LED lights as follows:
Lights amber when the primary battery is charging.
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Blinks amber if the primary battery encounters an error while charging.
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Lights green when the secondary battery is charging.
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Blinks green if the secondary battery encounters an error while charging.
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Secondary Battery Handling
Keep the following in mind when removing or replacing the secondary battery (the primary
battery is not replaceable).
Use only the NEC Versa notebook battery designed for the notebook. Using other
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manufacturers' batteries or using very old batteries can deteriorate battery and equipment
performance.
Turn off power to the notebook after use. Keeping power on can degrade battery
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performance and shorten battery life.
Clean the battery connectors with a dry cloth when they get dirty.
!
Keep the battery out of the reach of children.
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System Configuration and Setup 2-5
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