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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
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Apperance
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No deformation、no
crack，the sign is clear
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ok
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passed
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2
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Dimensions
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Sizes
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ok
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passed
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3
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10hr
Capacity
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C10
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I10A
discharge to 1.80V/cell，achieve
100% capacity in 3 cycles
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108.75%
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passed
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4
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3hr
Capacity
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C3
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I3A
discharge to 1.70V/cell，achieve
100% capacity in the first cycle
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107.55%
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passed
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5
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1hr
Capacity
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C1
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I1A
discharge to 1.60V/cell，achieve
100% capacity in the first cycle
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106.85%
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passed
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6
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Equilibrium
of OCV
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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
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passed
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7
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Performance
of the conector
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℃
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In
20℃
~25℃environment，1.7C10A
discharge to 1.60V/cell，the temperature of
connector surface≤80℃
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60℃
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passed
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8
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Gassing Volume
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ml
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In
20℃
~25℃environment，float charge 72h and then collect gas 168h，the
gas volume≤0.04ml/cell/Ah
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0.03ml/cell/Ah
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passed
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9
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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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％
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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%
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104.5％
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passed
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11
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Charge
Retention
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%
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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%
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75%
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passed
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12
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Cold
sensitive
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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
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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
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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%
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45℃，10％
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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
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0.017mg/Ah
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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
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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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Test report 
