3.0V 17500mAh 40160 Sodium ion cell

Item	Specification	Condition
Nominal Capacity	17.5Ah	25±2ºC, 0.5C/0.5C
Minimum Capacity	17Ah	25±2ºC, 0.5C/0.5C
Operating Voltage	1.5~3.95V	/
Nominal Voltage	3.0V	/
AC Internal Resistance	1.2±0.3mΩ	AC 1KHz, 50% SOC, 25±2ºC
Cell Weight	435±10g	Contain package
Energy Density	121Wh/kg 261Wh/L	/
Operating Temperature	Charging Temperature: -10~60ºC Discharge Temperature: -40~65ºC	No matter what charging and discharging mode the cell is in, once the cell surface temperature exceed this range, the charging and discharging should be stopped.
Storage Temperature	-40ºC~35ºC:3months -10ºC~25ºC:6months	/
Cycle life	≥2000cycles	25±2ºC, 0.5C/0.5C, 80%SOH.
Appearance	Without break, scratch, distortion, contamination, leakage and so on.	/

Charging Parameters

Item	Specifications	Condition
Standard Charging Mode	/	0.5C CC/CV, cut off 3.95V/0.05C
Standard Charging Current	0.5C	/
Max.Continuous Charging Current	3C	20~40ºC
Standard End-of-charge Voltage	3.95V	/
Optimum Charging Temperature Range	15~40ºC	Cell surface temperature

Item	Specifications	Condition
Standard Discharge Mode	/	0.5C CC, cut off 1.50V
Standard Discharge Current	0.5C	/
Max.Continuous Discharge current	4C	15~45ºC
Max.Discharge Pluse Current	10C	15~45ºC, 10S, 50%SOC
End-of-discharge Voltage	1.5V	/