Dell Latitude 3550 - Battery charge and status light

Figure 7. Image: Service Tag location
Battery charge and status light
The following table lists the battery charge and status light behavior of your Latitude 3550.
Table 2.
Battery charge and status light behavior
Power source LED behavior System power state Battery charge level
AC Adapter Off S0 - S5 Fully Charged
AC Adapter Solid White S0 - S5 < Fully Charged
Battery Off S0 - S5 11-100%
Battery Solid Amber (590+/-3 nm) S0 - S5 < 10%
● S0 (ON) - Computer is turned on.
● S4 (Hibernate) - The computer consumes the least power compared to all other sleep states. The computer is almost at an
OFF state, expect for a trickle power. The context data is written to hard drive.
● S5 (OFF) - The computer is in a shutdown state.
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