Victron Energy SmartSolar MPPT Solar Charge Controller (Bluetooth) 75V 15Amp 12/24Volt

Specifications:
Battery voltage (auto select): 12/24 V.
Rated charge current: 15 A
Nominal PV power, 12 V 1a,b): 220 W.
Nominal PV power, 24 V 1a,b): 440 W.
Max. PV short circuit current 2): 15 A.
Automatic load disconnect: Yes.
Max. PV open circuit voltage: 75 V.
Peak efficiency: 98 %.
Self-consumption - load on: 12 V: 19 mA 24 V: 16 mA.
Self-consumption - load off: 12 V: 10 mA 24 V: 8 mA.
Charge voltage 'absorption': 14,4 V / 28,8 V (adjustable).
Charge voltage 'float': 13,8 V / 27,6 V (adjustable).
Charge algorithm: multi-stage adaptive.
Temperature compensation: -16 mV / C resp. -32 mV / C.
Max. continuous load current: 15 A.
Low voltage load disconnect: 11,1 V / 22,2 V / 44,4 V or 11,8 V / 23,6 V / 47,2 V or Battery Life algorithm.
Low voltage load reconnect: 13,1 V / 26,2 V / 52,4 V or 14 V / 28 V / 56 V or Battery Life algorithm.
Protection: Output short circuit / Over temperature.
Operating temperature: -30 to +60 C (full rated output up to 40 C)
Humidity: 95 %, non-condensing.