3.2V 150AH Residential Lithium Ion Battery Long Life High Capacity

1. 25℃
2. Discharge Current: 150A

1. After standard charge (100%SOC；0.5C CC-CV to 3.65V@ 0.05C), the cell shall be discharged at constant current of 1C, stop discharging when discharge for 1.5h.
2. Observe the phenomenon for 1h.

1. After standard charge (100%SOC；0.5C CC-CV to 3.65V@ 0.05C), rest for 10 mins.
2. Charge with a constant current of 1C, Stop charging when the voltage is 1.5 times of the limited voltage, or charge for 1h.
3. Observe the phenomenon for 1h.

1. The full charged cells are to be stored for 6h at a vacuum environment with pressure of less than 11.6kPa and a temperature of 25℃±2℃.
2. Observe the phenomenon for 1h.

1. The cells are fully charged with standard charging condition and put into incubator with nature air or cycled air connected, heat battery by velocity of 5°C ±2°C/min to 130°C±2°C and maintain for 30mins.
2. Observe the phenomenon for 1h.

The fully charged batteries are placed in a test chamber and subjected to the following cycles:

1. Raising the temperature to -40°C±2°C within 60 minutes and maintaining this temperature for 90 mins.
2. Raising the temperature to 25°C±2°C within 60 minutes .
3. Raising the temperature to 85°C ±2°C within 90 minutes and maintaining this temperature for 110 mins.
4. Raising the temperature to 25°C±2°C within 70 minutes.
5. Repeating the sequence for a further 4 cycles.
6. After the 5th cycle, storing the batteries for 24h prior to examination.
7. Observe the phenomenon for 1h.

1. The battery to be fully charged with standard charging condition.
2. The cells are short-circuited by connecting the positive and negative poles with a resistance load less than 5mΩ for 10 minutes.
3. Observe the phenomenon for 1h.

1. The cell shall be charged in accordance with the standard charge.
2. The cell shall be stored in the temperature of 85℃±2℃for 48h.

Cells should look no significant deformation, corrosion, smoke or explosion.

Cell capacity ≥ 90% rated capacity.

After standard charge, according to the following test conditions:(100%SOC；0.5C CC-CV to 3.65V@ 0.05C)

1. Crush direction: Perpendicular to the electrode in cell,
2. Crush plate shape: half cylinder of radius 75mm
3. Crushing plate form: Radius of the half cylinder is 75mm, and the length is longer than the crushed cell
4. Crush speed: (5±1) mm/s,
5. Crushing level: Stop crushing while the voltage of the cell is 0V, or the deformation reaches 30%, or the crushing force reaches 200kN;
6. Observe the phenomenon for 1h.

1. After standard charge (100%SOC；0.5C CC-CV to 3.65V@ 0.05C).
2. The fully charged cell is completely submerged in the sea (3.5% NaCl Solution) for 2 hours.
3. Observe the phenomenon for 1h.

1. 100%SOC; 0.5C CC-CV to 3.65V@ 0.05C;
2. Penetrate through the cell with a steel nail of Ø5mm-8mm near the center of its biggest surface at the speed of (25±5) mm/s. The steel nail should stay in cells.
3. Observe the phenomenon for 1h.

1. The fully charged upside down cell is dropped from a height of 1.5m to the wooden floor, twice each.
2. Observe the phenomenon for 1h.