Workabout Pro4 Specifications B - 5
Battery Specifications
High Capacity Lithium-ion Battery – 4400 mAh
Electrical Specifications
Battery Pack Electrical Specifications
NOTE The electrical specifications apply for ambient temperature TAMB of 0° to +40°C unless otherwise
stated.
Item Description Specifications Remark
1 Interface Chipset Maxim DS2762 -
2 Rated Voltage 3.7V Typical
3 Rated Capacity 4400mAh 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 200mW Maximum
10 Charging Temperature 0 to 40 Typical
NOTE The electrical specifications apply for ambient temperature TAMB of 0° to +40°C unless otherwise
stated.
Item Description
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
10 Short-circuit delay time 160µs 200µs 240µs
11 Recovery charge current 0.5mA 1mA 2mA
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