Batteries - Dell E6400 - Core 2 Duo Dual-Core Processor Technical Manual

Battery LED Charge and Health Gauge
Latitude batteries have an LED gauge on the bottom of the battery that provides information
on charge and health status of the battery at the touch of a button.
The battery charge gauge will display immediately at the touch of the button..
The battery health status will display after holding the battery check button down for more
than 3 seconds. The health gauge display will illuminate after the charge gauge reports the
batteries current remaining charge.
Note: Battery pack shall be operational at charge performance less than 59%.
Five flashing LEDs displayed indicate a permanent failure of the battery.
100% – 80% charge is remaining
79 – 75% charge is remaining
74 – 70% charge is remaining
69 – 65% charge is remaining
64 – 60% charge is remaining
59% or less charge is remaining
100% – 80% charge performance is remaining
79 – 75% charge performance is remaining
74 – 70% charge performance is remaining
69 – 65% charge performance is remaining
64 – 60% charge performance is remaining
59% or less charge performance is remaining
*See important information at end of document
Latitude E6500, E6400 Reviewer's Guide
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