The UL458 listed 1500 Watt Inverter Charger is an Ultimate Power Inverter Choice for Utility Work Truck and RVs. <br />This trustworthy workhorse will get your toughest work done. <br />It’s a 1500 watt inverter charger with built in 50Amp battery charger and transfer switch. <br />This robust low frequency inverter is built with a massive iron core transformer and quality power components for efficiently powering any load within its wattage rating. <br />It gives you an unbelievable active power boost with a 3X high surge rating of 4,500 watts for 20 seconds, great for these high wattage loads in trucking industry. <br />But the big transformer isn’t just a blood sucker, it is so efficient that the 1.5KW inverter charger consumes only 13 watts at idle, and 8 watts in power saving mode. <br />It is your ultimate power inverter choice for trucks, its clean true sine wave output drives sensitive electronics (such as airway pressure machines) more smoothly than modified sine wave. <br />This 1500 watt inverter charger works well in trucks with a generator in virtue of its Auto Generator Start capability. <br />The inverter will automatically start an electrical generator when the battery voltage goes low enough to alarm. <br />Then it will transfer to generator within 10ms and recharge batteries. <br /> <br />For more info https://www.sigineer.com/product/1500-watt-12-vdc-to-120vac-utility-work-truck-power-inverter-charger-ul-458-certificated/