Lithium Battery Expert 15 Years
5
6. MechanicalCharacteristicand SafetyTest
No
Items
Requirem
ents
Test method
Standard
1
Storage performance
Test
The new
fully
charged
battery
After rest period 30 days at
23°C±2°Cenvironment,
discharge to 8V according
to the standard discharge
method, recorded all the
remaining capacity.
Remaining
capacity
≥
90% of
Rated capacity
2
High Temperature
Storage Test
The new
fully
charged
battery
After the battery was stored
at 60°Cfor one week, then
cycle standard charge and
standard discharge for three
weeks to test the recovery
capacity. The battery is
rested for 10 minutes after
charging and rested for 20
minutes after discharge.
No leakage,
capacity recovery
rate
≥
80% of rated
capacity
3
Constant temperature
and humidity test
The new
fully
charged
battery
After the battery was stored
at temperature of 60°Cand
humidity of 95% for 168
hours, then cycle standard
charge and standard
discharge for three weeks to
test the recovery capacity.
The battery is rested for 10
minutes after charging and
rested for 20 minutes after
discharge.
No leakage, No
corrosion, capacity
recovery rate
≥
80%
of rated capacity
After the battery was stored
at temperature of 65°Cfor 8
hours, rest period 3 hours
then discharge, After the
battery was stored at
4
Temperature shock
The new
fully
charged
battery
temperatureof -20
℃
for 8
hoursto
standard discharge, then
cycle standard charge and
standard discharge for three
weeks to test the recovery
capacity. The battery is
rested for 10 minutes after
charging and rested for 20
minutes after discharge.
No leakage,
capacity recovery
rate
≥
80% of rated
capacity
-10
℃
discharge
Discharge performan
ce test at different
The new
The battery is charged at
23 °C± 2 °Cand
capacity is 70% of
rated capacity