5 years warranty.
No 1
2 |
Item Discharge Performance Under normal Temperature
Storage charge under room temperature |
Feature Discharge Capacity standard Capacity x 100% (A) 0.2C 100% (B) 0 5C 90%
Resting capacity Standard capacity ‘80% |
Measurement (A) After standard charging, laying the Battery 0.5 = 1. 0h then discharge at 0.2C to ending voltage, recording the discharging time. (B) After standard charging, rest 5 minutes, the 0.5C discharge to ending voltage. After standard charged, on-hold for 26 days, discharge with 0.2C to ending voltage, then measure the residual capacity of battery, and examine the recover capacity with 0.2C/0 2C |
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3 |
Testing for cycle life |
Capacity Standard capacity 92% |
After charged with 0.1C current then discharged with 0.2C to ending voltage. On-hold for 1o0mins, hence as above testing features are to cycle for 1000 time |
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4 |
Storage performance |
On-hold for 1 month capacity 92% |
After standard charged, under 250, 5C, on-hold for month, then discharged with 0.2C to ending voltage, and measure residual capacity of battery |
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5-2 Environment Characteristic |
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No |
Item |
Feature |
Measurement |
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1 |
Discharge at high temperature |
100min |
After standard charging. laying the battery 2h a56,2C then discharging at 0.2C to ending voltage, recording the discharging time |
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2 |
Discharge at low temperature |
180min |
After standard charging. laying the battery 18h 10,2C then discharging at 0.2C to ending voltage, recording the discharging time |
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5-3 Safe Performance |
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No |
Item |
Feature |
Measurement |
|
1 |
Over-charge performance |
No fire, No exploding, No smoking obtained |
After standard charge the battery shall be charged at 0.1C, 58 4V for 6.0hour |
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2
3 |
Over discharge performance
Short-circuit performance under room temperature |
No fire, No exploding, No smoking obtained
No fire, No exploding, No smoking obtained |
After discharged to the cut-off voltage, the battery shall be subjected to a short-circuit condition with a load of resistance less than 300 for 24 hour After standard charged, put the cell/battery into the explosion-proof with glass cover to short the positive and the negative for the battery (the total impedance is less than 100m0) for 1 hour |
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6. Protection Circuit 6.1 Electrical Characteristic |
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No |
Parameter |
Specifications |
Criterion |
|
1 |
Over Charge Protection |
Protect voltage Renew voltage |
3.65V + 25cmV /cell 3.65V + 25cmV /cell |
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2. |
Over Discharge Protection |
Protect voltage Renew voltage |
2.8V + 50mV /cell 2.85V 1V /cell |
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Protect last time |
600mS + 100mS (Max) |
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3 |
Over Current |
Protect Current |
MIN: 100A MAX: 200A |
NO |
ITEM FOR BATTERY SYSTEM |
GENERAL PARAMENT |
REMARK |
1. |
MODEL NO# |
MH15K-48 |
|
2. |
NOMINAL VOLTAGE |
51.20V |
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3. |
Standard Capacity For Battery System |
300AH |
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4. |
Energy |
15.36KWH |
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5. |
Cycle Life |
>2000 cycles @100% DOD |
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6. |
Period Warranty |
10 years |
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7. |
Short Circuit Protection |
Yes |
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8. |
Size (L*W*H) |
595*385*810MM (L*W*H) |
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9. |
Limited Charge Voltage |
58.40V ±0.1V |
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10. |
Floating Charge Voltage |
55.20V ±0.1V |
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11. |
Standard Charge Current |
Constant current 0.1C Constant Voltage 58.4V 0.01C cut-off |
CC/CV |
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12 |
Max. Charge Current |
100.0A |
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13 |
Cut-off Voltage |
44.80V |
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14 |
Max. Continous Discharge Current |
200.0A |
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15 |
Operating Temperature
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Charge |
0~45C, 45~85%RH |
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Discharge |
-10~55C, 45~85%RH |
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16 |
Weight |
Approx. 140 Kg |
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17 |
Full voltage difference battery pack |
>20m V |
Standard charging |
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18 |
IP grate |
IP55 |
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