The APSX3024SW 3000W APS X Series 24V DC 230V AC Inverter/Charger is a reliable power source for a wide variety of power tools, computers, audio/video components and other sensitive electronics at mobile, emergency and remote sites. With no fumes, fuel or excess noise, it's an excellent alternative to generator power.The DC-to-AC pure sine-wave inverter delivers network-grade power to sensitive electronics. Its automatic line-to-battery transfer switch and integrated charging system allow the unit to work as a vehicle inverter, standalone AC power source or extended-run UPS. It delivers 3000W of continuous power, 4500W up to one minute or 6000W of peak power up to 10 seconds during equipment startup or cycling. An automatic overload detector, cooling fan and resettable AC circuit breakers protect the unit from damage.Designed for easy installation in RVs, commercial and fleet vehicles and emergency vehicles, the APSX3024SW converts stored power from any 24V battery or automotive DC source to safe, stable, computer-grade AC power for unlimited runtime. When hardwired to an external 230V AC source, the unit keeps the user-supplied battery charged via a three-stage 23/90A selectable charging system while simultaneously delivering AC power to connected equipment.When used as a UPS, the APSX3024SW responds to blackouts and brownouts with an automatic, instantaneous transfer to battery-derived AC output. LEDs on the unit indicate load percentage and battery charge level.