Solar Charge Controller Maximum Current 60 A Maximum Solar Input Voltage 150 V DC Maximum Battery Charging Voltage 24 V DC Battery Type Flooded Lead Acid Gel Cell Lithium-Ion IP Rating IP32 Maximum Operating Temperature 113 Degrees F Minimum Operating Temperature -31 Degrees F Overall Depth 11 in Overall Height 3.5 in Overall Width 8.3 in Interface Bluetooth RS485 No-Load Loss 10 mA @ 24V 12 mA @ 12V 6 mA @ 48V 8 mA @ 36V Compatible with Brand Grape Solar