Dell Inspiron 17 (N7010, Mid 2010) - Manual (Page 30)

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Using Your Inspiron Laptop
Status Lights and Indicators
Battery Status Light
Indicator light status Computer state(s) Battery charge level
AC adapter solid white on/standby/off/
hibernate
<=98%
off on/standby/off/
hibernate
>98%
Battery solid amber on/standby <=10%
off on/standby/off/
hibernate
off/hibernate
>10%
<=10%
NOTE: The battery is charging when the computer is powered using the AC adapter.