7.4v 5200mah Rechargeable LED light battery pack

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Samsung 7.4v 5200mah Rechargeable LED light battery pack 

1. General:

Battery with safety circuit and wires

Cell: ICR 18650-26F*4PCS

Configuration: 2S2P

Weight: approx. 200g 

2. Electrical Specification:

Nominal Voltage:7.4V

Rated Capacity:5200 mAh

Charging Method: Constant Current + Constant Voltage

Max. Charge Voltage [V]:8.40V (+/- 50mV)

Max. Continuous Charge Current:0.5C

Max. Continuous Discharge Current: 0.5C

Rec. Discharge cut off:5.2V

Exp. Cycle Life:300cycles above80%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) 

3. 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 

4. Environmental and Safety

Battery cell is approved according UL 1642.

This battery meets the requirements of Battery Directives and the RoHS, CE,MSDS, UL,UN38.3 certificate. 

5. Package

Package: In Carton,Netural labels, Polybag, PVC, Color box, Customised package.

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