18650 21700 cells

INR21700M50T 5000mAh Lithium-ion Battery

INR21700M50T Lithium-ion Battery

Item	Condition / Note	Specification
2.1 Energy	By Std. Charge / Discharge	Nominal 18.2Wh Minimum 17.6Wh
2.2 Nominal Voltage	Average by Std. Charge / Discharge	3.63V
2.3 Nominal Shipping SOC	-	Below 30%
2.4 Standard Charge	Constant current Constant voltage End current(Cut off)	0.3C (1,455mA) 4.2V 50mA
2.5 Max. Charge Voltage	In all measurements and operations of the cell, the minimum closed circuit voltage allowable shall not be over the following value	4.20V
2.6 Over Voltage Protection	Cell voltage should not go over the following value to prevent any safety events. And cell performance can’t be guaranteed between 4.20V and 4.25V	4.25V
2.7 Min. Discharge Voltage	In all measurements and operations of the cell, the minimum closed circuit voltage allowable shall not be below the following value	2.50V
2.8 Under Voltage Protection	Cell voltage should not go down the following value to prevent any safety events. And cell performance can’t be guaranteed between 2.50V and 2.00V	2.00V
2.9 Standard Discharge (Refer to 4.1.2)	Constant current End voltage(Cut off)	0.2C (970mA) 2.50V
2.10 Storage Temperature (for shipping state)	1 month 3 months 1 year Recovery energy** after the storage ≥ 80% of minimum energy	-20 ~ 55℃ -20 ~ 45℃ -20 ~ 25℃
2.11 Weight	Without washer	Max. 70.0 g ( Tentative)