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ABF RC Li-po Battery (7.4V-4000mAh) 50C 2S1P 8043128 --US$18.00

Production Name:

  ABF RC Li-po battery 2S1P 8543128(7.4V-4000mAh) 40C 

Price:   $18 / Each

Stock:   3000

Amount:      

Total cost:   $18

Product Descriptions

 ABF RC Li-po battery 2S1P 8543128(7.4V-4000mAh) 40C Specification 

No.

  Item

Rated parameters

 Remarks

1

Thickness X W X H

17mm X 43mm X 138mm

+/-0.5mm

2

Weight

220g

+/-0.2 gram

2

Rated Capacity(0.2C)

4000 mAh

 

4

Nominal Voltage

7.4V

 

5

Highest charged voltage

8.4V controlled by BMS

 

6

Lowest discharged voltage

        5.4V controlled by BMS

 

7

Standard Charge

         800 mA X 6 hour

 

8

Rapid charge

        4000 mA X 1.2 hour

 

9.

Max. continuous discharge current

120A

 

10

Max. pulse discharge current for less than 5 second

               180A

 

11.

Internal resistance

 

 

Less than 20 mili Ohme

Fully charged under 1000 Hz.

12.

Cycle life

100% DOD

80% DOD

60% DOD

 

500 cycles

800 cycles

1000 cycles

When the final capacity is less than 60% of nominal capacity,  we call the battery has dead.

13.

Self-discharge

Less than 3% per month

 

14.

Charged degree upon delivery

50%

 

15.

Recommend Storage condition:

15-30 and 60-70% relative humidity.

16.

Working temperature range:

-35 to +75

17.

Working humidity range:

less than 98%.

18.

Drop test:

 

fall freely from height 2 m to oak wood board,

there is no fire, no explosion, no leakage, no smoke.

19.

Puncture test:

 

puncture with metal needle(diameter 2mm),

there is no explosion, no fire, no smoke, no leakage.