... Battery protection reverse: By fuse DC input voltage: 12V DC, 32A, (10 to 15V) Input standby current (12V DC, +/-5%): ≤ 0. ... wave Low-battery voltage alarm: 10.5V DC, +/-0.5V Low-battery voltage shutdown: 10. ... 0V DC, +/-0.5V Fuse quantity & size: 40A, ... % Thermal shutdown: 65 +/-5 degrees Cooling fan: Yes auto-operation fan (temperature or load) Connection cable: 4. ...