Hardware reference guide

Battery Module
450
35013379 11/2011
Specifications
The following table shows the specifications for the battery module.
NOTE: The formula to calculate the life cycle of one battery in the battery module is:
Life cycle = 1 / (4 x I) days
where I (in Amps) is the total battery current load of all modules in the backplane.
LED Indicators and Descriptions
The following figure shows the LED indicators.
The following table shows the LED descriptions.
NOTE: The Bat1 Low and Bat2 Low LEDs turn ON when a battery is not installed,
installed backwards, or in need of replacement.
Specifications
Battery Type C, 3 V lithium
Maximum Load Current 100 mA
Service Life 8000 mAh
Shelf Life 10 years with 0.5% loss of capacity per year
Battery Part Number 990XCP99000
LED Descriptions
LEDs Color Indication when On
Active Green Bus communication is present.
Bat1 Low Red Battery 1 voltage is low.
Bat2 Low Red Battery 2 voltage is low.