2100mAh 7.4V li-polymer battery pack, with 15 x 42x 70mm 82g

Li-polymer Battery Pack with 2100mAh 7.4V

Model Number:Lithium Polymer 704169-2S

1. General:
Nominal voltage: 7.4V 
Nominal capacity: 2100mAh 
Dimensions: 15 x 42x 70mm 
Weight: approximately 82g 
Charging voltage: 8.4V 
Discharged voltage: 6.0V 
Life cycle: 500 times 
PCB and battery pack are also available

2.Special Features:

Battery with safety circuit and wires

Cell: KPL704169-2S

PCM: G3J (Kayo)

NTC: 10 k Ohm

ID: fuel gauge DS2781E

Configuration: 2S

Weight: approx. 82g

3. Electrical Specification:

Nominal Voltage: 7.4V

Rated Capacity: 2000 mAh min, 2100 mAh typical

Watt-hour rating: 11 Wh

Charging Method: Constant Current + Constant Voltage

Max. Charge Voltage [V]: 4.20 (+/- 50mV)

Max. Continuous Charge Current: 2000 mA

Rec. Charge cut off: by current 26mA or timer 2.5h

Max. Continuous Discharge Current: 2000 mA

Rec. Discharge cut off: 3V

Exp. Cycle Life: 400 cycles above 80% of initial cap.(1C @ 20 degree centigrade)

Cell protection

Overcharge Detection: 4.35+/-0.025V

(0.5 to 1.5 sec. delay, resume 4.15+/-0.05V or @discharging current)

Overdischarge Detection: 2.30+/-0.05V

(0.1 to 0.2 sec. delay, resume 2.90+/-0.1V)

Overcurrent Detection: 5.5A to 7.5A (5 to 30msec. delay @discharge)

4. Ambient Conditions

Temperature Range

- Charge: 0 to +45 degree centigrade

- Discharge: -20 to +60 degree centigrade

- Charge Retention/Storage [%]: 1 year at -20 to +25 degree centigrade

                                                     3 month at -20 to +45 degree centigrade

Humidity: 65+/- 20% RH

5. Environmental and Safety

The cell is approved according UL 1642.

This battery meets the requirements of Battery Directives and the battery parts are RoHS-Compliant, CE, UL, FCC, ISO 9001