Psion Teklogix WORKABOUT PRO M/C User Manual page 196

Chapter 9: Specifications
High-Capacity Battery Pack
Max. Discharge Current
Charge Algorithm
Max. Charge Voltage
Max. Charge Current
Discharge Cut-off
Recommended
Fast Charge
Max. Fast Charge Time
Recommended Termination
Taper Current
Recommended Charge
Termination Timeout
Charge Temperature
Discharge Temperature
Recommended Termination
Taper Current
Recommended Charge
Termination Timeout
Charge Temperature
Discharge Temperature
Storage Temperature
Cycle Life
Impedance
Total Internal Resistance
High Temperature Recovery
Low Temperature Recovery
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Psion Teklogix WORKABOUT PRO Hand-Held Computer User Manual
1.7A (-10˚ C to 60˚ C) -- (14˚ F to 140˚ F)
0.5C (-20˚ C to 60˚ C) -- (-4˚ F to 140˚ F)
CC to CV
4.2V +/- 0.05V
900 mA
2.6V min – DS2761 protection circuit initiates
2325 mA for 4.0 hrs
5.0 hrs
50 - 100 mA
30 min.
0˚ C to 45 ˚C (32˚ F to 113˚ F)
-20˚ C to 60˚ C (-4˚ F to 140˚ F)
50 - 100 mA
30 min.
0˚ C to 45 ˚C (32˚ F to 113˚ F)
-20˚ C to 60˚ C (-4˚ F to 140˚ F)
-20˚ C to 60˚ C (-4˚ F to 140˚ F) Storing battery at elevated
temperatures is not recommended.
300 cycles minimum with no degradation below 80% of
nominal capacity based on standard charge / standard discharge
rates (to 2.8V) @ 25ºC
35mΩ max. @ 1kHz AC only the battery cell
210 m Ωmax., fully charged new pack (including cell resis-
tance and protection circuit resistance) @ 1kHz AC
>60% nominal capacity after 20 days @ 60˚ C (full charge) --
(140˚ F)
>80% nominal capacity after 72 hours @ -20˚ C (full charge) --
(-4˚ F)