1. Using high-quality materials, the quality is guaranteed2. Fan blade heat dissipation is adopted, the heat dissipation effect is good, and the output power is higher3. The temperature-controlled fan adopts hydraulic fan, which has achieved a good balance in noise and heat dissipation. When the load is light, the fan does not turn. When the load temperature reaches about 60 degrees, the fan automatically rotates. Can effectively reduce noise and prolong service life4. The main power tube insulation board is made of high-quality alumina, and the thermal conductivity is 10 that of ordinary insulation pads5. Oversized ferrosilicon aluminum magnetic ring, using four 1.2 pure copper enameled wires, low calorific value and high efficiency.With constant current function, it can be used for car battery boost, battery charging, etc.Output power: 1800WInput voltage range: 10V-60VOutput voltage range: 12V-90VInput current: 40AOutput current: 22AConversion efficiency: 48V to 60V 8A (98.1 %)48V to 72V 8A (98.1%)48V 84V 8A (97.6%)Charge Regulation: 10% to 50% charge (72V output)Temperature coefficient: 50% loadRipple and Noise: 20MHz bandwidth (48V-72V 4A) 100mVp-pSwitching frequency: VIN = 48V VO = 72V 4A (110khz)No-load current: VIN = 48V VO = 72V (18mA)Input reverse protection: yesStorage humidity: 95%Operating temperature: -20 65 CStorage temperature: -40 125 COperating Temperature Rise: 48V to 60V 5A (45 C)Overheating Protection: 60CWiring : input, output (solderless, terminal block).Cooling : strong air coolingColour:As shownMaterial:PC+MetalPackage Contents:1 x Boost Converter(1800w)(Due to different product batches, the appearance may be different, thefunction is the same)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.