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| Controller Model | POW-Keeper1220 | POW-Keeper1230 | POW-Keeper1240 |
|---|---|---|---|
| Rated charging current | 20A | 30A | 40A |
| System rated voltage | 12/24V (Auto recognized) | ||
| Voltage range of the battery | 8~32V | ||
| Max. open voltage of PV module | <60V | <75V | <100V |
| Battery type | User-define, Sealed, Flooded, GEL, LiFePO4 | ||
| Light control voltage | 5V/10A | ||
| LCD Temperature | -20°C ~ +70°C | ||
| Operating Temperature | -20°C ~ +55°C | ||
| Working humidity | ≤ 90% No condensation | ||
| Protection class | IP30 | ||
| Dimension | 123*178*48mm | 135*195*55mm | 150*220*67mm |