Test
Report
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Issue No.:05
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Date:2017-06-22
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Report No.:TR/20170612-05
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No.
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Item
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Unit
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Requirements
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Test
result
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Conclusion
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1
|
Apperance
|
|
No deformation、no
crack,the sign is clear
|
ok
|
passed
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2
|
Dimensions
|
|
Sizes
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ok
|
passed
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3
|
10hr
Capacity
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C10
|
I10A
discharge to 1.80V/cell,achieve
100% capacity in 3 cycles
|
108.75%
|
passed
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4
|
3hr
Capacity
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C3
|
I3A
discharge to 1.70V/cell,achieve
100% capacity in the first cycle
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107.55%
|
passed
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5
|
1hr
Capacity
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C1
|
I1A
discharge to 1.60V/cell,achieve
100% capacity in the first cycle
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106.85%
|
passed
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6
|
Equilibrium
of OCV
|
V
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OCV differences≤100mV,Float
charge voltage differences≤480mV,discharge voltage
differences≤0.6V
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80mV,350mV,0.3V
|
passed
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7
|
Performance
of the conector
|
℃
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In
20℃
~25℃environment,1.7C10A
discharge to 1.60V/cell,the temperature of
connector surface≤80℃
|
60℃
|
passed
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8
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Gassing Volume
|
ml
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In
20℃
~25℃environment,float charge 72h and then collect gas 168h,the
gas volume≤0.04ml/cell/Ah
|
0.03ml/cell/Ah
|
passed
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9
|
Valve
Test
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kPa
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Valve open and close easily in pressure 1kPa~49kPa
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Open
25kPa,close15kPa
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passed
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10
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Recharge Ability
|
%
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After fully charge, In
20℃
~30℃environment,,float charge current 0.2C10A charge 24h,charge
efficiency≥85%,charge
t 168h,charge efficiency≥100%
|
104.5%
|
passed
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11
|
Charge
Retention
|
%
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After fully charge, In 20℃
~30℃environmen store for 180days,then I3A
discharge to 1.70V/cell,capacity not less than 73%
|
75%
|
passed
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12
|
Cold
sensitive
|
|
After C10 discharge,put it into-18℃ environment store 72h,and then take it out,float
charge for 168h,discharge for C3 capacity≥0.8C3
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1.02C3
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passed
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13
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Short
Circuit Current and Internal Resistance
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A,mΩ
|
Use two point of voltage-current make a
line,caculate the internal resistance
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Short
circuit current:2000A,internal
resistance 7.3mΩ
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passed
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14
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Cyclic
endurance ability
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times
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In
20℃
~25℃environment,0.2C10A discharge 2h,then float
charge initial current 0.2C10A charge 22h,is
one cycle。The cycle numbers must more
than 300 times。
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350times(equal
to 20%DOD cycle 3000 times),float life is 6 years
|
passed
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15
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Sensitive
of thermal runaway
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℃,%
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In
20℃
~30℃ environment,constant voltage 14.7V
charge 168h,the temperature of battery surface≤60℃,temperature increase in 24 hours≤50%
|
45℃,10%
|
passed
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16
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Acid
mist resistant ability
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mg/Ah
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Full charged battery,after
charge by 0.5I10A 2h and then collect the gas,the
volume of gas emission ≤0.025mg/Ah
|
0.017mg/Ah
|
passed
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17
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Short-circuit
grounding ability
|
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Floating battery,put
110V voltage between the negative and Al belt around the cover and case by
one month,no corrosion and carbonization
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As
normal
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passed
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18
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High
rate discharge ability
|
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Full charged battery discharge 3min by 3C10A,no
flowout to the pole
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As
normal
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passed
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19
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Ability
to resist mechanical damage
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Battery fall down to hard ground twice,no
damage to the case
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No
damage
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passed
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20
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Anti-explosion
ability
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0.5I10A Overharge the battery for 1h,the
fuse(4V1A~3A) near the vent blowout twice,no
explosion
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No
explosion
|
passed
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21
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Material
flame retardancy
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|
Conform to the standard GB/T2408-2008
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ok
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passed
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