Item

Specification

Remark

Product

Lithium-ion Rechargeable cell

Model

SW 523450AR

Nominal Capacity

□1200mAh □1150mAh □1100mAh

Nominal Voltage

3.7V

Internal Impedance

≤55mΩ

1KHz AC

Cell Weight

≤22g

Charging Voltage

4.20V

End­-of-charge Current

0.02 C_n

C_n: Nominal Capacity

Standard Charge Method

0.2 C_n to 4.2V CCCV,0.02C cut-off

CC: Constant Curent

CV: Constant Voltage

Quick Charge Method

1C_n to 4.2V CCCV, 0.02C cut-off

Discharge Cut-off Voltage

3.00V

Standard Discharge Method

0.2C to 3.0V CC

Quick Charge Method

1 C_n to 3.0V CC

Operating Temperature

Range

Standard Charge

0~45℃

Quick Charge

0~40℃

Standard Discharge

-20~45℃

Quick Discharge

-10~40℃

Storage Temperature

-20~45℃

One month

Long period storage :

-10~30℃

-20~40℃

Three months

-20~35℃

Six months

Item

Condition

Specification

Dimensions

Measuring instruments：Caliper

               +0.30

Thick： 5.20   -0    mm

           +0.20

Width： 33.80  -0.10 mm

           +0.20

Height：49.60 –0.30 mm

Electrical Characteristics

Cycle Life

A cell is charged in accordance with Quick Charge Method, then discharged to 3.0V with 1 C_n, then stored for 10 min before to next charge-discharge cycle. The cell can be continuously charged and discharged for 300 times

Capacity retention≥85%

 Charge (Capacity)

Retention

A cell is charged in accordance with Standard Charge Method, and stored in an ambient temperature of 25℃±2℃ for 30d,then discharged to cut-off voltage at a constant current of 0.2 C_n

Retention≥85% C_n

Discharge Performance

(1C_n)

A cell is charged in accordance with Standard Charge Method, and then stored for 10min,then discharged to cut-off voltage at a constant current of 1C_n.

The discharging time is not less than 54min

 Low Temperature Performance

A cell is charged in accordance with Standard Charge Method, and then stored in an ambient temperature of  -20℃±2℃ for 16~24h，then discharged to cut-off voltage at a constant current of 0.2C_n,After that, fetch out the cell and place it in the ambient temperature of 25℃±5℃for 2h,then check its appearance.

1.No distortion, no rupture ;

2.The discharging time is no less than 3.5h;

  High Temperature Performance

A cell is charged in accordance with Standard Charge Method, and then stored in an ambient temperature of 60℃±2℃ for 2h, then discharged to cut-off voltage at a constant current of 1C_n. After that, fetch out the cell and place it in the ambient temperature of 25℃±5℃for 2h,then check its appearance.

1.No distortion, no rupture ;

2.The discharging time is not less than 54min

Item

Condition

Specification

Thermal Abuse

Heating Test

A cell to be heated in a gravity convection or circulating air oven with an initial temperature of 25±5℃.The temperature of the oven is to be raised at a rate of 5℃±2℃ per minute to a temperature of 130℃±2℃ and remain for 10 minutes.

No fire, no explosion

Electrical Abuse

Overcharge Test（3C4.6V）

A cell is to be subjected to CC/CV power by connecting its positive & negative terminal, then set the current as 3Cn,the voltage as 4.6V,after that, Charge the cell up to 4.6V at CC of 3C_n and last 2h at the voltage of 4.6V

No fire, no explosion

Forced-discharge Test

A cell is to be force-discharged at a constant circuit with 1Cn for 90 minutes.

No fire, no explosion

Short-circuit Test

A cell shall be left at an ambient temperature of 25℃±5℃.Each test sample cell, in turn, is to be short-circuited by connecting the positive and negative terminals of the cell with a circuit load having a maximum resistance load of 0.1ohm. The cell is to discharge  last 4 hours, or until it has reached a completely discharged state of less than 0.1volts and the cell temperature has returned to be 10℃ less than peak temperature.

1. No fire,no explosion;

2.The temperature of the exterior cell shall not exceed 150℃

Mechanical Abuse

Impact Test

A test sample cell is to be placed on a flat surface. A 15.8mm diameter bar is to be placed across the center of the sample. A 9.1kg weight is to be dropped from a height of 610mm onto the sample. The distortion is allowed.

No fire,no explosion

Crush Test

A cell is to be crushed with its longitudinal axis parallel to the flat surfaces of the crushing apparatus. The crushing is to be continued until a pressure reading of 17.2Mpa is  reached on the hydraulic ram, applied force of 13KN and maintains 1min.

No fire, no explosion

Item

Condition

Specification

Vibration Test

A charged cell is to be subjected to harmonic motion with an amplitude of 0.4mm. The frequency shall be increased at a rate of 1Hz/min from 10Hz and reduced at a rate of 1 Hz/min after it reaches 55Hz, and then it shall be ensured that the frequency has reached 10Hz.The entire range of frequency (10Hz~55Hz) shall be tested for 30 minutes in each of the three mutually perpendicular directions of vibration(X, Y, and Z axes).

1.No scratch, no leakage, no fume, no explosion;

2.The voltage is no less than 3.6V

Free Fall

A charged cell is dropped from a height of 1m to a wooden board (18-20mm thick) which is placed on the concrete ground. Cells shall be dropped in each of three mutually perpendicular directions(X, Y, and   Z axes). Total drop times are 6.After that, the cell is discharged to cut-off voltage at CC of 1Cn.then repeat charge & discharge at a current of 1Cn until the discharge time is not less than 51min, the cycle times should be not more than 3.

No leakage, no fume, no explosion

Constant Temperature and Humidity

A charged cell is stored in an ambient temperature of 40±2℃(90%~95%RH) for 48h,then placed in room temperature for 2h.After that, check its appearance prior to being discharged to cut-0ff voltage at a constant current of 1 C_n

1.No leakage, no fume, no explosion；

2.The discharging time is not less than 36min