Customized OEM Rechargeable 18650 2S2P 4400mah 7.4V Lithium Ion Battery Pack

 

Customized OEM  Rechargeable 18650 2S2P 4400mah 7.4V Lithium Ion Battery Pack

 

Battery specification:

 

No.	Items	Specifications		Remark
1	Nominal Capacity	4400mAh		0.2C Standard discharge
3	Nominal Voltage	7.4V
4	Discharge end voltage	6.0V
5	Charge Voltage	8.4V±0.03V		By standard charge method
6	Standard charging method	0.2C constant current,8.4V constant voltage charge to 8.4V,continue charging till current decline to≤0.01C
7	Charge current	0.2C	880mA	Standard charge
		0.5C	2200mA	Rapid Charge
8	Standard discharging	0.2C constant current discharge to 6.0V
9	Cell Internal Impedance	≤50mΩ		Internal resistance measured at AC 1KHZafter 50% charge
10	Maximum charge current	1C	4400mA	continuous charge
11	Maximum discharge current	3C	13200mA
12	Operation Temperature and relative humidity Range	Discharge	-20~60℃ 60±25%R.H.	Charge at a very low temperature such as blew 0℃,will be get a lower capacity and reduce cycle life of the battery
		Charge	0~45℃ 60±25%R.H.
13	Storage temperature for a long time	‘-10~45℃ 60±25%R.H.		Do not storage exceed half year. Must charge once when storage for half year. must charge the battery with protect circuit when storage for three months.

 

Our battery advantages:

 

1, High energy density;

2, Safe and stable performance;

3, Environmentally Friendly and no memory effect;

4, With short-circuit, overcharge, over-discharge and over-current production, safe and reliable.

 

Related battery pack

 

 

Application of 18650  li ion battery pack

 

 

 

How to order rechargeable li-ion 18650 battery