Relayr Ithings4u Gmbh WunderBar Internet of Things WiFi & Bluetooth Sensor Starter-Kit WunderBar WunderBar 数据表

            海芯工业有限公司 

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temperature per Table 3 below. Cells shall be stored for 3 hours at the test temperature prior to 
discharging and then shall be discharged at the test temperature. The capacity of a cell at each 
temperature shall be compared to the capacity achieved at 23 ºC and the percentage shall be 
calculated. Each cell shall meet or exceed the requirements of Table 3. 
Table 3 

Discharge Temperature 

-20℃ 

0℃ 23℃ 60℃ 

Discharge Capacity  （0.2 C

5

A） 

50% 

80% 

100% 100% 

 

5.7 Cycle Life and Leakage-Proof     

Table 4 

No. Item 

Criteria 

Test 

Conditions 

1 

Cycle Life 
（

0.5 C

5

A） 

Higher than 70% of the 

Initial Capacities of the 

Cells 

Carry out 500 cycle charging/ 
Discharging in the below condition. 
◆

Charge: 0.5C

5

A cc to 4.2V;   

4.2V cv to 0.05 C

5

A 

◆

Discharge: 0.5 C

5

A to 3.0V 

◆

Rest Time between 

  charge/ discharge:30min. 
◆

Temperature:20±5℃ 

2 Leakage-Proof 

No leakage 

(visual inspection) 

After full charge, store at 60±3℃ 
60±10%RH for 1month.