... , standard auto blade fuse (internal) Efficiency range: 85 to 90% Thermal shutdown: 65, ±5°C Cooling fan: yes auto-operation fan ... , 10,000mA Minimum start voltage: 4.5V Current fuse rating: 250V AC, F3.15A, (internal), T10A, (external), 5 x 20mm Type: three ... 250Ah Battery type: for charging 12V lead acid batteries only Thermal protect (fan on): 65, ±5°C Performance: micro-processing switching ...