Lithium Battery 7.4V 4400mAh

High quality 18650 recharge lithium ion battery 18650 7.4v 4400mah 2s2p with ROHS, MSDS, UL, CE BIS ,KC approved, the following is the battery 7.4v 4400mah if you need other capacity battery pack please contact with us . Product Description Li ion battery pack 7.4v 4400mah for medical device...

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Product Details

High quality 18650 recharge lithium ion battery 18650 7.4v 4400mah 2s2p with ROHS, MSDS, UL, CE BIS ,KC approved, the following is the battery 7.4v 4400mah

if you  need other capacity battery pack please contact with us .

 

Product  Description

#Item

18650 7.4v 4400mah 2s2p

1

Nominal Capacity

4400mAh at 0.2C Discharge

2

Minimum Capacity

4300mAh at 0.2C Discharge

3

Nominal Voltage

7.4V

4

Charge Current

Standard Charge:0.5C
Rapid Charge:1.0C

5

Standard Charging Method

0.5C CC(Constant Charge)charge to 8.4V, then CV(Constant Voltage 8.4V)charge till charge current decline less than    0.01C

6

Charging Time

Standard Charging: Approx. 5hours
Rapid Charging: Approx. 2.5hours

7

Max. Charge Current

Constant Current 1C5A Constant Voltage8.4V 0.01C5A Cut-off

8

Max. Discharge Current

Constant Current 1.0C5A End Voltage 6.0V

9

Standard discharge Current

Constant Current 0.2C5A End Voltage 6.0V

10

Discharge Cut-off Voltage

6.0V

11

Charge Cut-off Voltage

8.4V

12

Initial Impedance

Less than 100mo

13

Weight

180g

14

Operating Temperature

Charging:0-45C
Discharging:-20-60C

15

Storage Temperature

-5C--35C

16

Storage Humidity

Less than 75%RH

17

Appearance

Without scratch, distortion, contamination,and leakage

18

Standard Environmental Condition

Temperature:18C-28C
Humidity:45-75%RH
Atmospheric Pressure:86-106Kpa


Li ion battery pack 7.4v  4400mah for medical device Pictures
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