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The SunSaver SS-MPPT charge controller is designed for 12V and 24V battery charging from PV modules with a maximum open circuit voltage of 75 volts. The MPPT algorithm provides an estimated 5-25% boost of amps from the PV array into the battery. Actual boost depends on PV cell temperature and battery state of charge.
This Sunsaver charge controller enables the use of high-voltage PV modules (designed for grid-tie applications) for off-grid 12V or 24V battery charging. Provides a means to use a 24V PV array to charge a 12V battery, reducing power losses in systems with a long cable run between the PV array and the battery. The controller has electronic protection from short circuit, overcurrent, reverse polarity, high temp, high voltage, lightning and transient surges.
An adjustable low battery voltage load disconnect protects the battery from over-discharge. LED indicators indicate charging, low battery and faults. 5-year warranty.
200 watts of PV when charging a 12 volt battery
400 watts of PV when charging a 24 volt battery
For 12VDC and 24VDC systems only