20C Sodium 3V 18650 1300mAh Na sodium cylindrical battery cell 
         	 		 		
 		 			|  			 Item  			 |  			 			 Parameters  			 |  			 			 Remark  			 |  		
 		 			|  			 Rated Capacity  			 |  			 			 1300mah  			 |  			 			    			 |  		
 		 			|  			 Nominal Voltage  			 |  			 			 3.1V  			 |  			 			    			 |  		
 		 			|  			 Internal Impedance  			 |  			 			 ≤20mΩ  			 |  			 			 Internal resistance measured at AC 1kHz after 50% charged.  			 |  		
 		 			|  			 Standard Charge Cut-off Voltage  			 |  			 			 3.95V  			 |  			 			    			 |  		
 		 			|  			 Standard Discharge Cut-off Voltage  			 |  			 			 1.8V  			 |  			 			    			 |  		
 		 			|  			 Maximum Continuous Disharge Current  			 |  			 			 20C  			 |  			 			    			 |  		
 		 			|  			 Peak Disharge Current  			 |  			 			 30C  			 |  			 			    			 |  		
 		 			|  			 Cycles  			 |  			 			 1000 times  			 |  			 			    			 |  		
 		 			|  			 Size  			 |  			 			 18*65mm  			 |  		
 		 			|  			 Weight  			 |  			 			 37g  			 |  			  |  		
 	 
   
  Positive:layered oxide materials
  Negative:carbon
   
  
  
  
  
  
  
  
  
  
  
   
  Sodium has better capacity at low temperature.
 90% discharge capacity at -20 degree,LFP has only 60%-70%