AIMS Power 1000 Watt Pure Sine Low Frequency Inverter with built-in battery charger and transfer switch. This inverter charger is perfect for small-sized industrial applications that depend upon power being available even under heavy load. This heavy-duty inverter charger is ready to go wherever you need it. From home or business back-up power demands to campsites/cabins, tailgating parties or any recreational location. Use this product to power your essential household appliances during a power outage emergency. he 1000 Watt inverter charger is capable of a 3000 watt surge for 20 seconds and can run at 1500 Watt continuously. As an additional feature, this inverter is capable of being used worldwide by virtue of its auto frequency detection capabilities. It will run in any country that uses 120 Volt AC output. It works with type-A plugs or a direct 3-wire terminal connection. This inverter comes with a dual-plug GFCI outlet with a reset button. This inverter will never completely drain your batteries as it’s low-voltage shut-down keeps the voltage at either 10 Volt or 10.5 Volt depending on your selection. With the battery priority mode, you can set your inverter to run directly off of a battery back-up system instead of a generator or tertiary source of AC Power. The inverter charger comes with a power saver mode that pulses every 30 seconds, attempting to detect a necessary load of 25 Watt or more before it will turn on. Otherwise, the inverter will “sleep” and draw right around a half an amp per hour, saving you precious reserve power in your batteries until you need it.