Sealed, 60 amp AC input, 120 VAC/60 Hz (Turbo included) Utility power failure can be costly, annoying and at times dangerous. When you depend on the reliability of electricity, OutBack Power Systems back-up inverter/chargers can provide your home or business with automatic, reliable, and virtually noise free uninterrupted electricity. The OutBack modular system architecture allows your system to grow along with your back-up needs up to 36,000 watts from your battery bank. An integrated automatic AC transfer switch reacts in less than 16 milliseconds keeping mission critical systems like computers and medical equipment online. The intelligent battery charger maintains your batteries in a way that prolongs their life while ensuring they are quickly recharged and at the ready. When not being used, the inverter enters a power save mode, which consumes as little as 3 watts, saving your battery power for when you need it the most.