3.7V 40mAh bluetooth earphone Lipo batteries FT301220P

S/N

Details

Parameters

Remarks

1

Rated voltage

3.7V

2

Rated capacity

40mAh

discharge with 0.2C to 2.75V after fully charge within 1h, measuring the discharge time

3

Limited charge voltage

4.2V

4

Internal resistance

≤180mΩ

5

charge mode

C.C/C.V.

6

Standard charge current

8mA

0.2C

7

Max Charge Current

40mA

1C

8

Standard discharge current

8mA

0.2C

9

Max discharge current

Continuous：40mA

1C

10

Working temperature

charging

0~45℃

discharging

-10~60℃

11

Storage temperature

1 Month

-10~45℃

Charge to 40%~50% of capacity when storage

6 months

-10~30℃

12

Storage humidity

45%~75％

relative humidity

13

Weight

Approx 1.5g

14

Cycle life

300 times

capacity≥80%