Item | Battery level | First level | Premium |
Cobalt %≥ | 24.3 | 24.2 | 40 |
Nickel %≤ | 0.001 | 0.002 | 0.005 |
Iron %≤ | 0.001 | 0.002 | 0.005 |
Magnesium %≤ | 0.001 | 0.002 | 0.005 |
Calcium %≤ | 0.001 | 0.002 | 0.005 |
Manganese %≤ | 0.001 | 0.002 | 0.005 |
Zinc %≤ | 0.001 | 0.002 | 0.005 |
Sodium %≤ | 0.001 | 0.002 | 0.005 |
Copper %≤ | 0.001 | 0.002 | 0.005 |
Cadmium %≤ | 0.001 | 0.001 | 0.002 |
Sulfate %≤ | 0.02 | 0.02 | 0.05 |
Water insoluble matter | 0.01 | 0.01 | 0.02 |