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| Nominal voltage | 12V/24V | |
| Nominal output current | 40A | |
| Max charging current | 40A | |
| Max open circuit voltage | 30V/50V | |
| No load current | ≤30mA | |
| Temperature compensation | -3mV/2V/°C | |
| Voltage drop | <200mV | |
| Full charge cut | 13.7V/27.4V | |
| Low voltage cut | 11.5V/23V | |
| Recornnected voltage | 12.6V/25.2V | |
| Discharge circuit pressure drop | ≤150mV | |
| Charging mode | PWM Mode | |
| Output mode | Normal open | |
| Protecting | Reverse connect overload recoil, etc. | |
| Working temperate | -20~70°C | |
| Storage temperature | -35~80°C | |
| Use altitude(m) | ≤5000 | |
| Unit size(mm) | 184*152*78 | |
solar controller for solar system