Product Description: Our Pure Sine Wave 4000W Power Inverter is the perfect solution for converting 12V-72V DC to 110V or 220V AC, ensuring clean and efficient power for various applications. Ideal for use in homes, offices, cars, caravans, and solar systems, this inverter provides reliable performance and ultimate protection for your electronic devices. Features: Pure Sine Wave Output: Provides clean and stable power, preventing crashes in computers, reducing noise in fans and TVs, and ensuring compatibility with more devices. Rapid Cooling: Built-in thermal fans activate when the unit reaches 45, keeping the inverter cool. Quick Charge: Equipped with AC sockets for high-speed charging of your devices. Ultimate Protection: Includes overload, short circuit, over-temperature, under/over voltage protection, and isolated input & output design. Optimized Design: Features an on/off switch, LED input voltage display, and LCD display showing frequency, output voltage, temperature, and current. Outdoor Use: Perfect for outdoor activities and emergencies, ensuring a simple and effortless setup. Specifications: Production Condition: Brand New LED Display: Input Voltage LCD Display: Output Voltage, Frequency, Temperature, Electric Current Output Waveform: Pure Sine Wave Peak Output Power: 4000 Watts Rated Power: 2000 Watts Frequency: 50Hz Efficiency: 90% Input DC Voltage: 12V / 24V / 48V / 60V / 72V (Selectable) Output AC Voltage: 110V / 220V-240V Low Voltage Alarm: 10DC0.5V Low Voltage Shut Down: 9.5DC0.5V Over Voltage Shut Down: 15.5V / 27.5V / 49.5V / 62.5V / 74.5V Over Thermal Protection: Automatically shuts off output Fuses: Short Circuit Protection Start: Soft Start Protection: Overload, Short Circuit, Overtemp, Under/Over Voltage Cooling Fans: Temperature Controlled Inductive Load Consideration: Recommendation: For inductive loads such as compressors, pumps, old CRT TVs, refrigerators, air conditioners, relays, fluorescent lamps, and vacuum cleaners, choose an inverter with a rated power 3-7 times higher than the loads rated power. For example, for a 100W refrigerator, choose a 1000W pure sine wave inverter or higher; for an 800W air conditioner, choose a 2500W pure sine wave inverter or higher. Package Includes: 1 x Power Inverter 1 x Accessories Set Notes: Professional Installation Recommended: For optimal performance and safety, professional installation is recommended. Usage Reminder: Ensure the inverters rated power matches your applications requirements to avoid overloading and potential damage.