Product Specifications

        
Doc. No.
Q/WAPL503562-1011
Edition No.
1.0
Polymer Lithium-ion battery
Product Specification
3/10
5. Environment Performance
Item Test Methods Performance
5.1
High
temperature
After standard charging, laying the battery 4h at 60
℃
,
then discharging at 0.2C
5
A to voltage 2.75V, recording the
discharging time. 
≥
270min
5.2
Low
temperature
After standard charging, laying the battery 4h at -10
℃
,
then discharging at 0.2C
5
A to voltage 2.75V, recording the
discharging time. 
≥
210min
5.3
Constant
humidity and
temperature
After standard charging, laying the battery 48h at 40±
2
℃
, RH 93±2%. Recording 0.2C
5
A discharging time
No distortion
No electrolytes leakage
≥
270 min 
5.4
Temperature
shock
After standard charging, battery stored at -20
℃
for 2
hours, then stored at 50
℃
for 2 hours. Repeat 10 times.
No electrolytes leakage
6.
Mechanical Performance
Item Test Methods Performance
4.1 0.2C Capacity
After standard charging, laying the battery 0.5h, then
discharging at 0.2C
5
A to voltage 2.75V, recording the
discharging time. 
≥
300min
4.2 1C Capacity
After standard charging, laying the battery 0.5h, then
discharging at 1C
5
A to voltage 2.75V, recording the discharging
time.
≥
54min
4.3 Cycle Life
Constant current 0.5C
5
A charge to 4.2V, then constant voltage
charge to current declines to 0.05C
5
A, stay 5min
，
constant
current 0.5C
5
A discharge to 2.75V，stay 5min. Repeat above
steps till continuously discharging time less than 36min. 
≥
400times
4.4
Capability of
keeping
electricity
20
±
5
℃
,
After standard charging, laying the battery 28days,
discharging at 0.2C
5
A to voltage2.75V, recording the
discharging time. 
≥
240min