Sodium Ion Cylindrical 32140 Battery

• Type: Sodium Ion Battery
• Usage: Car, Bus, UPS, Electric Power, Lighting, Electric Bicycle, Boat
• Nominal Voltage: 3.0V
• Model NO.: 32140
• Discharge Rate: High Discharge Rate
• Shape: Cylindrical Battery
• Electrolyte: Sodium Ion Battery
• Installation: Packaged
• Rechargeable: Chargeable
• Transport Package: Box on Pallet
• Specification: Sodium Ion Battery
• Trademark: TNE/OEM
• Origin: China

Product Description

No.	Parameter	Specification	Unit	Conditions/Notes
1	Nominal Capacity (@3.95V~2.0V)	10.0	Ah	0.5C discharge @25ºC
2	Rated Voltage	3.0	V	-
3	AC Impedance	≤3	mΩ	AC 1 kHz, 3.2V
4	DC Impedance	≤10	mΩ	2C pulse (30s), 3.2V
5	Battery Weight	265 ±5	g	-
6	Battery Dimensions	Diameter: Φ33.2±0.2 mm Height: 140±0.3 mm	mm	Physical dimensions
7	Charge Cut-off Voltage	3.95 V 3.65 V 3.50 V	V	Temperature-dependent: 0ºC < T -10ºC ≤ T ≤ 0ºC -20ºC ≤ T < -10ºC
8	Charge Cut-off Current	500 mA (0.05C) 1000 mA (0.1C)	mA	Temperature-dependent: T > 0ºC T ≤ 0ºC
9	Discharge Cut-off Voltage	2.0	V	Can discharge to 0V
10	Standard Continuous Charge Current	5000	mA	0.5C
11	Max Continuous Charge Current	30000	mA	3C CC to 3.95V, charged capacity >90%, temperature rise <20ºC
12	Standard Continuous Discharge Current	5000	mA	0.5C
13	Max Continuous Discharge Current	30000	mA	3C CC to 2V, discharged capacity >90%, temperature rise <20ºC
14	Energy Density	≥110	Wh/kg	-

 

Item	Parameter	Performance	Conditions	Notes
High-Temperature Cycle	≥2000 cycles	Capacity retention ≥70%	45°C, 0.5C charge/discharge	Depends on usage conditions
Room-Temperature Cycle	≥3000 cycles	Capacity retention ≥70%	25°C, 0.5C charge/discharge
	≥4000 cycles	Capacity retention ≥70%	25°C, 0.5C charge/discharge, voltage range 2.0-3.90V (95% DOD)
Rate Cycle	≥1500 cycles	Capacity retention ≥70%	25°C, 2C charge/discharge (no constant voltage)
Over-Discharge Cycle	100 cycles	Capacity retention ≥95%	25°C, 0.5C charge/discharge, full voltage range 0-3.95V

Temperature-Dependent Charging

Item	Battery Surface Temp.	Standard Charge	Fast Charge	Pulse Charge
Temperature & Charging	>70°C	Charging prohibited
	45~70°C	0.5C	2C	Charging prohibited
	30~45°C	0.5C	3C	5C (SOC ≤40%, duration <8min)
	15~30°C	0.5C	1C	3C (SOC ≤50%, duration <15min)
	0~15°C	0.33C	0.5C	Charging prohibited
	-10~0°C	0.2C (3.65V, 70% SOC)	-	Charging prohibited
	-20~-10°C	0.1C (3.5V, 60% SOC)	-	Charging prohibited

Rate Charging Performance

Item	Battery Surface Temp.	Specification	Conditions
Rate	25°C ±2°C	Charged capacity ≥95% of nominal	2C CC to 3.95V, temperature rise ≤8°C
	25°C ±2°C	Charged capacity ≥90% of nominal	3C CC to 3.95V, temperature rise ≤15°C

Temperature-Dependent Discharge

Item	Parameter	Performance	Conditions
Discharge Performance	-30°C	≥75%	Discharge capacity relative to nominal capacity (12h rest, standard discharge current)
	-20°C	≥85%
	0°C	≥90%
	25°C	≥100%
	45°C	≥100%
	60°C	≥95%

Rate Discharge Capability

Sub-Item	Parameter	Performance	Conditions
Discharge Temp. Range	-40°C~70°C	-	Stop operation if battery temperature exceeds this range
Standard Discharge Current	0.5C	≥100%	Relative capacity at 25°C (standard charge/discharge)
Max Continuous Discharge Current	3C	≥90%	Relative capacity at 25°C (standard charge/discharge)
Max Pulse Discharge (Long-term)	10C	30s	25°C < Battery Temp. <60°C, SOC >50%
Max Pulse Discharge (Short-term)	15C	3s	25°C < Battery Temp. <60°C, SOC >50%