Agilent Technologies FieldFox N9912A User Manual page 155

5. Current – amount of current being consumed when operating from internal
6. Average Current – running average of current, as just explained in item #5 .
7. Battery Temperature – internal temperature of the battery as measured by a
8. Max Error – present accuracy of the battery gauge. If the error exceeds 10%,
9. Relative State of Charge – current charge compared to actual full capacity.
10. Absolute State of Charge – current charge compared to designed full
11. Remaining Capacity – number of amp hours remaining.
12. Full Charge Capacity – number of amp hours when fully charged.
13. Present Run Time to Empty – minutes of run time remaining based on
14. Average Run Time to Empty – minutes of run time remaining based on
15. Charge Cycles – number of charge cycles battery has experienced. Charge
Built-In Battery Gauge
Each lithium ion battery has an LCD gauge that displays its charge status. Each
segment represents 20% of the charge capacity. The gauge is active unless the
battery is in shutdown mode. To view the LCD gauge on the Inspired Energy
battery, open the FieldFox battery compartment door.
Working with the Lithium-Ion Battery
battery. If battery is charging, indicates amount of charging current.
sensor embedded in the battery.
you should recondition the battery. Learn more on page 157.
This number lowers with age and number of battery cycles.
capacity of a new battery.
amount of current being used now.
running average of current being used.
cycle defined as ≥80% change in relative state of charge.
Gauge
5 segments
4 segments
3 segments
2 segments
1 segment
Gauge
Charge Remaining
≥80%
≥60%, < 80%
≥40%, < 60%
≥20%, < 40%
< 20%
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