4000W Car Inverter Converter Charger Adapter 12V to 220V or 110V with Dual USB

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Product Description This 220V car power inverter features a dual LCD digital display so you can monitor output voltage and battery voltage in real time, with clear on-screen fault alerts for safer, more stable power conversion in vehicles and mobile applications. Key Features Dual LCD monitoring: Displays output voltage and battery voltage at a glance for better control and confidence. On-screen fault prompts + audible alerts: Clear indications for common protections such as battery under/over-voltage, overload, over-temperature, and output short circuit. Overload delay shutoff: Helps reduce overly sensitive protection when starting loads, improving usability for certain appliances. Reverse polarity return protection: Added safety feature designed for small-power, non-professional users to help reduce connection mistakes. Intelligent temperature-controlled fan: Oil-sealed fan runs based on operating temperature for quieter, more energy-efficient cooling. MCU digital control: More accurate frequency and output voltage with fast protection-circuit response for dependable operation. Specifications Output Voltage: 220 V Battery Input Voltage (reference): 15.5 V Display: Dual LCD digital display Protection Alerts: Screen prompts + sound prompts Cooling: Temperature-controlled oil-sealed fan Control: Digital MCU control Usage Ideal for stable mobile power in cars, steamships/boats, mobile posts, telecommunications, public safety, and emergency use —use the LCD readouts to track battery status and output voltage, and rely on the fault display to help identify protection triggers quickly. Returns, Refunds and Replacements Delivery Timeframe Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows: For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-293 working days.