Specification BatteriesRequired : 1 Brand : LEESKY BulletPoint1 : 【Powerful 4000W Pure Sine Wave Inverter with 7000W Surge Peak Power For 2 Seconds】Delivers 4000W continuous power and 7000W surge peak power for 2 seconds, making it ideal for high-power inductive loads like air conditioners, double-door refrigerators, water pumps, heaters, and electric tools. BulletPoint2 : 【2025 Upgraded Adjustable Input Voltage for Lithium Batteries】Features adjustable input voltage function, reducing battery draw and protecting lithium battery health while extending lifespan. Customizable settings ensure compatibility with various battery systems. (Please refer to the manual to customized input voltage) BulletPoint3 : 【LCD Display with Screen Rest Function】The LCD screen provides real-time information on battery status, input/output voltage, load watts, and protection codes. Automatic screen rest after one minute of inactivity saves energy and prolongs screen life. BulletPoint4 : 【Battery Monitor Remote Controller & Fast USB Charger】Includes a 30ft RJ10 remote control for easy remote on/off operation and battery monitoring. PD36W USB-C and 3.6A USB-A two different types ports are very convenient for us to charge and power smartphones, entertainment devices, small-sized appliances, and other mobile devices, such as floodlights, TVs, laptops, tablets, starklink, etc. BulletPoint5 : 【Enhanced 8 Advanced Safety Protections】Built with short circuit, input over/under-voltage, overload, and over-temperature protections. The 2025 upgrade introduces low-output voltage protection for safer and more stable operation. BulletPoint6 : 【Durable Aluminum Alloy Housing with Certified Components】The robust aluminum alloy case provides excellent heat dissipation and impact resistance. Features ETL-listed transformers, UL458-certified fuses, and FCC-approved anti-interference technology for added safety and reliability. BulletPoint7 : 【More Widely Used】Ideal for RVs, boats, and emergency power failures. Includes 4 AC outlets and a 40A hardwire terminal for high-power devices like microwaves, coffee makers, freezers, pumps, and electric tools. BulletPoint8 : 【What You Get】Includes a 4000W pure sine wave inverter, 30ft remote controller, user manual, 4 pairs of Battery Cables, and a comprehensive 18-month warranty. Backed by AIG product liability insurance and 24/7 real-person customer support. Color : RED ControlMethod1 : remote ControlMethod2 : touch ElectricalOutputWaveform : pure_sine_wave IncludedComponents : Wired 30FT Remote Controller, 3FT Earth Wire, 4 pair of 2FT battery cables ItemName : 4000 Watt Pure Sine Wave Inverter 12V DC to 110V 120V AC Surge Peak 7000 Watt for 2s | 2025 New Upgraded, Compatible with Lithium Battery, for Home Car Off-Grid Solar System RV Truck Vehicle LEESKY ItemPackageDimensions_Height : 52.07 centimeters ItemPackageDimensions_Length : 26.67 centimeters ItemPackageDimensions_Width : 30.226 centimeters ItemTypeKeyword : vehicle-power-inverters Manufacturer : LEESKY ModelName : HS-4000KAR ModelNumber : HS-4000KAR NumberOfItems : 1 PeakOutputPowerWatts : 7000 PowerSourceType : Solar and Battery Powered ProductDescription : 4000 Watt Pure Sine Wave Power Inverter 12V DC to 110V 120V AC Surge Peak 7000 Watt for 2 Seconds, 2025 New Upgraded, Compatible with Lithium Battery, for Family Car Off-Grid Solar RV Truck Vehicle ProductSiteLaunchDate : 2024-09-10T07:36:27.797Z RecommendedUsesForProduct : Home, Car, Power Outage, Vehicles, Truck, Outdoors, Boat, RV, Trip, Off-Grid Solar Size : 4000W Pure Sine Wave Inverter SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 39121000 Voltage : 120 volts_of_alternating_current WarrantyDescription : 18-months warranty from the date of purchase Wattage : 4000 watts