echo sounder Polymer battery 803030 3.7V 680mAh

NO.

Items

Specifications

1

Charge voltage

4.2V

2

Nominal voltage

3.7V

3

Nominal capacity

680mAh  0.5C  Discharge

4

Charge current

Standard Charging:： 0.2C 

     Rapid charge： 1.0C 

5

Standard Charging method

0.2C CC（constant current）charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to ≤0.02C

6

Charging time

Standard Charging： 3.0 hours (Ref.)

 Rapid charge： 1.0 hours (Ref.)

7

Max.charge current

1.0C

8

Max.discharge current

1.0C（moment 2C）

9

Discharge cut-off voltage

2.4V

10

Discharge temperature

-20~+55℃

11

Temperature

range for storage

less than 1 month

-20~+55℃

less than 3 month

-20~+40℃

less than 1 year

0~+25℃

12

Cell Weight

Approx：  18g

13

Cell Dimension

Length ： 32.5   mm Max (not including tabs)

Width ：  30.5   mm Max

Thickness ：  8.0mm Max