SEPLOS 3.2V 135Ah LiFePO4 Battery Pack Test Report

May 13, 2022
Latest company news about SEPLOS 3.2V 135Ah LiFePO4 Battery Pack Test Report

Over Discharging Test

Full Charge the cell battery. And discharge it at 1I1 for 90min, and observe for 1 hour that there should be no explosion, no fire, and no leakage.

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Test results: no explosion, no fire, and no leakage.

Over Charging Test 

Charge the cell battery, and discharge it at 1I1 until the voltage reaches 1.5 times the charging termination voltage specified by enterprise technology condition or the charging time reaches 1 hour and then stop charging and observe for an hour. There should not be explosions or fires.

 

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Test results: no explosion, no fire.

Short Circuit Test

Fully charge the cell battery and have an outer short circuit for 10 minutes. And the outer circuit resistance should be less than 5mΩ. Observe it for 1 hour, there should be no explosion or fire.

 

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Test results: no explosion, no fire.

Drop Test

Fully charge the cell battery and put it in the environment simulation box, raise the temperature at a rate of 5℃/min until it reaches 130℃±2℃. Keep it for 30 minutes and stop heating. Observe it for 1 hour and there should be no explosion or fire.

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Test results: no explosion, no fire.

Crush Test

Fully charge the cell battery. Vertically press the battery with a semi-circle cylinder of 75mm radius at the direction of the electrode at a speed of (5±1)mm/s until the battery voltage reaches 0V or the pressing force reaches 200kN. Observe it for 1 hour and there should be no explosion or fire.

 

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Test results: no explosion, no fire.

Seawater Immersion Test

Fully charge the cell battery and immerse it in the 3.5% NaCl solution for 2 hours. There should be no explosion or fire.

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Test results: no explosion, no fire.

Temperature Test

Fully charge the cell battery and put it in an environment of -40℃~85℃. Repeat it five times and observe for 1 hour. There should be no explosion, fire, or leakage.

 

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Test results: no explosion, no fire, and no leakage.

Low Air Pressure Test

Fully charge the cell battery and put it in low air pressure of 11.6kPa environment simulation box for 6 hours of simulation. There should be no explosion, fire, or leakage.

 

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Test results: no explosion, no fire, and no leakage.

SEPLOS 3.2V 135Ah lithium iron phosphate cell passes all the tests.