Psion Teklogix ISO 9001 - Manual (Page 326)

Chapter 8: Specifications
Super High-Capacity (Model WA3010)
308 WORKABOUT PRO Hand-Held Computer With Windows Mobile 6 Classic & Professional User Manual
8.3.2 Super High-Capacity (Model WA3010)
8.3.2.1 Electrical Specifications
Note: The electrical specifications apply for ambient temperature TAMB of 0 ° to
+40 °C unless otherwise stated.
Battery Pack Electrical Specifications
Impact shock resis-
tance
-
3 cycles of 50G 11ms, 1/2 sine pulse acceleration
applied in 6 directions. 18 shocks total.
ESD protection - Accordance with EN61000-4-8
Item Description Specification Remark
1 Interface Chipset Maxim DS2762 -
2 Rated Voltage 3.7V Typical
3 Rated Capacity 4000mAh Typical
4 Rated Charge Current 1.2A Maximum
5 Charge Voltage 4.2 +/- 0.05V Maximum
6 Discharge Cut-Off Voltage 2.6V Typical
7 Charge Method
Constant voltage
Current limited
-
8 Discharge Current 0.5C (-20°C to 60°C) Typical
9 Internal Resistance 150 m Maximum
10 Charging Temperature 0 to 40 Typical
Item Description Specification
Minimum Typical Maximum
1 Over voltage detection voltage 4.325V 4.350V 4.375V
2 Charge enable 4.10V 4.15V 4.20V
3 Under voltage detection voltage 2.5V 2.6V 2.7V
4 Over current detection current 2.97A 3.17A 3.36A
5 Short-circuit detection current 9.9A 13.33A 16.83A
6 Short-circuit detection voltage 150mV 200mV 250mV
7 Over voltage delay time 0.8s 1s 1.2s
8 Under voltage delay time 90ms 100ms 110ms
9 Over current delay time 5ms 10ms 20ms
Description Test Reference Test Condition/Result