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Model Number: Lithium Battery Pack
| Item | Specification | 
| Model | 18650 | 
| Nominal Capacity(0.2CA) | 2000mAh~2600 mAh | 
| Nominal Voltage | 3.70V | 
| Charging Voltage | 4.2V | 
| Discharge Cut-off Voltage | 2.75V | 
| Max. Charge Current | 2 CA | 
| Max. Discharge Current | 40A | 
| Cell Dimension | 
             Diameter 18±0.2 mm Height 65±0.2 mm  | 
        
| Cell Weight(Approx.) | 50g | 
| Initial internal impedance Max, at 1000Hz. | ≤10 mΩ (Charged) | 
| 
             Charging Current (CC/CV)  | 
            
             Rapid charge :1CA×3.5hrs Standard charge :0.5 CA×4hrs.  | 
        
| Operating Temperature | 
             Charge :0℃~60℃(32oF~113oF) Discharge :-20℃~75℃(-4oF~140oF) Storage :-20℃~45℃(-4oF~113oF)  |