Contec 1500 Lithium Ion Battery 18650 7.4V 4400mAh Battery Pack

Lithium ion Battery Rechargeable Battery Pack; Spec: 7.4V 4400mAh Application: Battery for Lighting, etc. Certification: UN, ROHS, REACH Compliance

Product Details

Contec 1500 Lithium ion Battery 18650 7.4V 4400mAh Battery Pack 


Quick Detail:


Place of Origin:

Guang dong China

Brand Name:

TAC

Model Number:

7.4V 4400mAh

Rated Capacity:

 4400mAh

Size:

customized

Voltage:

7.4V

Cycle Life:

>2000times

Type:

Li-ion

OEM & ODM:

Support

Packing:

PVC Packing

Warranty:

12months

Environmental Compliance:

ROHS, REACH

Features:


1.High quality 11.1 V Li-Ion rechargeable battery pack

2.Light weight and higher energy density than any rechargeable battery

3.No memory effects

4.Longer storage life than NiMH battery

5.Built-in IC chip will prevent battery pack from over charge and over discharge and prolongs battery life

6. Recommend using 12.6V 1.5A smart charger


Packaging & Delivery:


Packaging Details:

Standard Carton Package

Delivery Detail:

100 sets within 7days


Li ion Battery Pack 7.4v 4400mah Specifications:


NO.

 

Item

Specifications

1

Norminal capacity

4400mAh         0.2C Discharge

Minimum capacity      

4300mAh         0.2C Discharge

2

Nominal voltage            

7.4V

3

Charge current            

Standard Charge :0.2C

Rapid charge   :1.0C

4

Standard Charging method

0.2C CC(constant current)charge to 8.4V,then CV(constant voltage 8.4V)charge till charge current decline to ≤0.01C

5

Charging time              

Standard Charging

Approx 5 hours

Rapid charge

Approx 1.2hours

6

Max.charge current    

Constant Current 1C Constant Voltage 8.4V 0.01C cut-off

7

Max.discharge current  

Constant current 1.0C end voltage 6.0V

8

Standard Discharge Current

Constant current 0.2 C end voltage 6.0V

9

Discharge cut-off voltage

6.0V

10

Max charge voltage

8.4V

11

Initial Impedance          

≤80mW       

12

Weight                  

Approx:190g

13

Operating temperature    

Charging: 0℃~45℃

Discharging:-20℃~60℃

14

Storage temperature      

-5℃~35℃

15

Storage Humidity        

≤75% RH

16

Appearance              

Without scratch,distortion,contamination and leakage

 

Picture for 7.4V 4400mAh 18650

7.4v 4400mAh



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