3.7V_32Ah High C-Rate Rechargeable Lithium Battery Cell

Description

3.7V 32Ah High C-Rate Rechargeable Lithium Battery Cell(NMC). This lithium ion battery cell Max. continuous discharge current is 6C(182A), Peak discharge current can up to 10C(320A, 10 seconds), Max.(rapid)continuous charge current can be 2C(64A). Impedance is only 0.8±0.15 mΩ 1KHz at 30%SOC. Detailed datasheet please reference to below table.

Battery Advantages

• Can be discharged at high current(up to 6C and 10C)
• Good Electrical characteristics under lower temperature
• Poor electrolyte, can be operated in any directions
• Lifespan up to 3000times(Laboratory test data)
• Battery cells with very high consistency
• Impedance ≤ 0.8mΩ

3.7V_32Ah High C-Rate Lithium Battery Cell Specifications

Battery cell Data sheet

Place of Origin	China (Mainland)
Model Number	GPNMC75161227
Nominal Capacity	32Ah (1.0C, 2.7V)
Nominal Voltage	3.7V
Impedance	≤0.8mΩ
Charge cut-off voltage	4.15V
Discharge cut-off voltage	2.7V
Standard charging	Constant current at 1C with max.voltage of 4.15V and cut-off current at 0.02C
Standard discharging	Constant current at 1C with min.voltage of 2.7V
Max.(rapid)continuous charge current	2.0C
Max.discharge current	6.0C (peak current 10.0C)
Charging time	Standard charge: 1.5hours
	Rapid charge: 0.5hours
Operating temperature	Charge:-20℃～55℃
	Discharge:-55℃～55℃
Storage temperature	Less than 3 mouths:-40℃～55℃
	Less than 1 year: -10℃～25℃
Storage humidity	65±20%RH
Cell weight	Approx: 561±15g

3.7V_32Ah High C-Rate Rechargeable Lithium Battery Cell Image and Dimensions

Item	Description	Dimensions(mm)
T	Thickness(T)	7.45 ± 0.16 mm
W	Width(W)	161 ± 1.5mm
L	Length(L)	227 +1.0/-1.5mm

 

3.7V_32Ah High C-Rate Rechargeable Lithium Battery Cell Electrical characteristics

No.	Item	Parameters	Test Method and Condition
1	Capacity	≥32.0Ah	The cell performs standard charge and discharge，calculate the discharge capacity.
2	AC impedance	0.8 ± 0.15 mΩ	AC impedance of the cell is measured at 1KHz at 30%SOC.
3	Rate Discharge	1.0C ≥ 100% 2.0C ≥ 99% 3.0C ≥ 95%	After standard charging，discharge capacity is measured with the various currents at the cut off voltage of 2.7V
4	Discharge at high & low temperature	45,55℃≥95%; 25℃≥100%; 10℃≥95%; 0℃≥90%; -10℃≥85%; -20℃≥80%; -30℃≥70%	After standard charging，the cell is stored in different temperature (25℃，-20℃，0℃，10℃， 45℃，55℃) for 2 hours, then test the cell capacity separately in each temperature with standard discharge method. (-10, 0℃ cut off at 2.5V, -20,-30℃ cut off at 2.2V).
5	Cycle Life	25℃, Remaining capacity≥80%	The cell performs charge and discharge cycle at 1C current for 3000 times, and between charge and discharge the cell should rest at least 10 min，then test the remaining capacity.
6	Storage at 25℃ 100%SOC	Capacity recovery ≥98%	After standard charging，the cell stored at 25℃ for 30 days, then measured the remaining and recovery capacity by standard discharge method.
7	50%SOC Storage at 45℃	Remaining capacity≥95%； Capacity recovery ≥98%	After standard charging to 50%SOC, the cell stored at 45 ℃ for 30 days, then the cell stored at 25℃for 4h, measured the remaining capacity and capacity recovery by standard discharge method.

If you need datasheet about this battery cell, please download this PDF file to check more details.

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